Medical Conditions: HSV and Acute Kidney Injury

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Questions and Answers

What is the primary consequence of HSV latency in the human body?

  • It results in a permanent immune response against the virus.
  • The virus can reactivate under specific conditions, leading to lesions. (correct)
  • Infection can be completely eliminated after the initial phase.
  • It causes immediate and severe systemic symptoms.

What indicates a primary HSV infection in a mother during delivery?

  • Blood tests showing high levels of anti-HSV antibodies.
  • Active lesions on a prior infection site without new symptoms.
  • Presence of new lesions during the week before delivery. (correct)
  • A history of HSV infections without recent outbreaks.

Which diagnostic method is primarily used for identifying viral cytopathic effects in HSV?

  • Molecular testing using ELISA.
  • Direct Immunofluorescence for viral proteins.
  • Tissue culture from aspirated lesions. (correct)
  • Serologic testing for antibodies.

What percentage of women are seropositive for antibodies against HSV-2 by the age of 40?

<p>Roughly 30%. (C)</p> Signup and view all the answers

What severe consequence can result from neonatal HSV infection?

<p>Blindness and seizures in the neonate. (B)</p> Signup and view all the answers

What is the primary cause of prerenal acute kidney injury?

<p>Impaired blood flow to the kidney (B)</p> Signup and view all the answers

Which clinical manifestation is most characteristic of prerenal acute kidney injury?

<p>Oliguria and high urine specific gravity (C)</p> Signup and view all the answers

What is the most common cause of ischemic acute tubular necrosis?

<p>Sepsis (C)</p> Signup and view all the answers

What is the potential outcome if postrenal acute kidney injury persists for an extended period?

<p>Progression to intrinsic acute kidney injury (C)</p> Signup and view all the answers

Which condition is NOT a cause of prerenal acute kidney injury?

<p>Nephron damage from acute tubular necrosis (C)</p> Signup and view all the answers

Which of the following factors increases the risk of prolonged prerenal acute kidney injury leading to intrinsic damage?

<p>Use of NSAIDs in older adults (B)</p> Signup and view all the answers

In intrinsic acute kidney injury, which part of the kidney is directly affected?

<p>The tubular structures due to ischemia or toxicity (B)</p> Signup and view all the answers

What is the most common cause of acute tubular necrosis (ATN)?

<p>Ischemia or toxicity (A)</p> Signup and view all the answers

Which pathophysiologic process contributes to the tubular injury in acute tubular necrosis?

<p>Tubular epithelial cell injury (D)</p> Signup and view all the answers

During which phase of acute tubular necrosis is urine output usually at its lowest?

<p>Oliguric/Maintenance phase (C)</p> Signup and view all the answers

Which of the following is NOT a characteristic of the prodromal/initiation phase of acute tubular necrosis?

<p>Severe fluid retention (D)</p> Signup and view all the answers

What typically happens during the post-oliguric/recovery phase of acute tubular necrosis?

<p>Azotemia continues despite increased urine volume (B)</p> Signup and view all the answers

Which effect does decreased GFR in acute tubular necrosis have on the kidneys?

<p>Increased NaCl delivery to the macula densa (C)</p> Signup and view all the answers

What might prolonged injury from acute tubular necrosis ultimately lead to?

<p>End-stage renal disease (B)</p> Signup and view all the answers

What is the typical duration of the oliguric/maintenance phase of acute tubular necrosis?

<p>Up to 8 weeks (C)</p> Signup and view all the answers

Which condition is directly linked to the vascular component of acute tubular necrosis?

<p>Decreased renal blood flow (A)</p> Signup and view all the answers

What is the primary consequence of heavy proteinuria in relation to serum albumin?

<p>Excessive fluid retention in tissues (A)</p> Signup and view all the answers

Which physiological process is activated as a result of decreased circulating volume due to hypoalbuminemia?

<p>Activation of the renin-angiotensin-aldosterone system (RAAS) (D)</p> Signup and view all the answers

What characterizes the edema associated with hypoalbuminemia?

<p>Soft and pitting swelling (B)</p> Signup and view all the answers

What is a direct consequence of decreased intravascular colloid osmotic pressure?

<p>Edema formation (D)</p> Signup and view all the answers

Pyelonephritis is primarily caused by which type of infection?

<p>Ascending urinary tract infection (C)</p> Signup and view all the answers

Which organism is most commonly responsible for causing pyelonephritis?

<p>Escherichia coli (B)</p> Signup and view all the answers

What factor contributes to the development of generalized edema in hypoalbuminemia?

<p>Compensatory secretion of aldosterone (B)</p> Signup and view all the answers

What is the relationship between hydrostatic pressure and albumin levels in the blood vessels?

<p>Decreased albumin increases hydrostatic pressure (D)</p> Signup and view all the answers

What mechanism allows uropathogenic bacteria to cause urinary tract infections?

<p>Substances that promote binding to epithelial cells (D)</p> Signup and view all the answers

What role does serum albumin play in maintaining vascular function?

<p>Maintains colloid osmotic pressure within the vessels (D)</p> Signup and view all the answers

What is the primary role of the Elementary Body (EB) in C.trachomatis infections?

<p>It is the infectious but metabolically inactive form that enters host cells. (D)</p> Signup and view all the answers

Which protein is injected into host cells by C.trachomatis Elementary Bodies to facilitate infection?

<p>TARP protein (A)</p> Signup and view all the answers

Which of the following symptoms is NOT commonly associated with C.trachomatis infections?

<p>Acute renal failure (A)</p> Signup and view all the answers

What is a key defining characteristic of lymphogranuloma venereum caused by C.trachomatis?

<p>It often starts with a painless genital papule or ulcer. (B)</p> Signup and view all the answers

What is the recommended method for diagnosing C.trachomatis urethritis?

<p>Amplified nucleic acid tests on genital swabs or urine (D)</p> Signup and view all the answers

Which of the following regions has a higher endemic prevalence of lymphogranuloma venereum?

<p>Asia and Africa (B)</p> Signup and view all the answers

What happens in the tertiary phase of untreated lymphogranuloma venereum infection?

<p>Fibrosis and strictures develop in the anogenital tract. (B)</p> Signup and view all the answers

Which fact about C.trachomatis urethritis in men is true?

<p>It may go untreated due to being asymptomatic. (C)</p> Signup and view all the answers

What is a significant consequence of untreated C.trachomatis infection in women?

<p>Rectal strictures are particularly common. (B)</p> Signup and view all the answers

What is the mechanism through which C.trachomatis releases new EBs from host cells?

<p>Cell lysis or extrusion (C)</p> Signup and view all the answers

What is the primary genetic defect associated with the most common condition leading to end-stage renal disease in childhood?

<p>PKD2 (B), PKD1 (C)</p> Signup and view all the answers

What imaging technique is most commonly used to diagnose renal issues in neonates and children?

<p>Ultrasonography (D)</p> Signup and view all the answers

What symptom is least likely to be present in the early stages of renal insufficiency associated with cystic kidney diseases?

<p>Severe abdominal pain (D)</p> Signup and view all the answers

In benign prostatic hyperplasia (BPH), what percentage of men over age 50 is typically affected?

<p>70% to 80% (C)</p> Signup and view all the answers

What is a common systemic finding in patients with renal cystic disease?

<p>Cysts in the spleen (A), Multiple liver cysts (B)</p> Signup and view all the answers

During the progression of benign prostatic hyperplasia, which of the following symptoms generally develops first?

<p>Frequent urination (B), Weak urine stream (C)</p> Signup and view all the answers

Which of the following is a common complication associated with end-stage renal disease due to renal cystic diseases?

<p>Uremic syndrome (A)</p> Signup and view all the answers

What is the primary consequence of anovulation in dysfunctional uterine bleeding?

<p>Excessive endometrial thickening (D)</p> Signup and view all the answers

Which complication is most commonly associated with pelvic floor dysfunction?

<p>Recurrent urinary tract infections (C)</p> Signup and view all the answers

What is a characteristic feature of dysfunctional uterine bleeding observed in adolescents?

<p>Immaturity in pituitary and ovarian functions (A)</p> Signup and view all the answers

Which of the following best describes the grading classification of pelvic organ prolapse?

<p>Based on the degree of rectal wall protrusion (D)</p> Signup and view all the answers

Which phase of menarche and menopause is most likely to contribute to dysfunctional uterine bleeding?

<p>Early menstruation without ovulation (D)</p> Signup and view all the answers

Which age group is most likely to develop Wilms tumor?

<p>Between 2 and 5 years (B)</p> Signup and view all the answers

What is a common manifestation of Wilms tumor that may also lead to systemic complications?

<p>Hypertension (C)</p> Signup and view all the answers

What type of enuresis is characterized by a child who has never achieved bladder control?

<p>Primary nocturnal enuresis (B)</p> Signup and view all the answers

Which condition can lead to a decrease in glomerular filtration rate (GFR) due to the degradation of the basement membrane?

<p>Acute glomerulonephritis (C)</p> Signup and view all the answers

What is the primary cause of primary nocturnal enuresis?

<p>Vasopressin deficiency (A)</p> Signup and view all the answers

What is a potential outcome of untreated acute glomerulonephritis over time?

<p>Chronic glomerulonephritis (B)</p> Signup and view all the answers

Which factor is typically associated with bilateral Wilms tumors in children?

<p>Germline mutation (A)</p> Signup and view all the answers

What type of glomerulonephritis is characterized by ongoing fibrotic changes and small nonfunctional kidneys?

<p>Chronic glomerulonephritis (D)</p> Signup and view all the answers

Which type of enuresis occurs after a period of dryness for at least 6 months?

<p>Secondary enuresis (A)</p> Signup and view all the answers

Which of the following risk factors is associated with the formation of urinary calculi?

<p>Chronic hypertension (C), Frequent dehydration (D)</p> Signup and view all the answers

What is the most common type of urinary stone?

<p>Calcium stones (B)</p> Signup and view all the answers

Which clinical manifestation is associated with nephrolithiasis?

<p>Unilateral flank pain and colic (C)</p> Signup and view all the answers

What urinary pH change is commonly associated with the presence of renal calculi?

<p>Increased acidity (B)</p> Signup and view all the answers

Which imaging technique is considered the gold standard for diagnosing renal calculi?

<p>Intravenous pyelogram (IVP) (D)</p> Signup and view all the answers

Familial breast cancer is linked to what percentage of breast cancer cases?

<p>25% to 33% (C)</p> Signup and view all the answers

What percentage of individuals will experience urolithiasis at some point in their lives in the United States?

<p>5% to 10% (C)</p> Signup and view all the answers

Which factor does NOT typically influence the formation of urinary calculi?

<p>Increased urine flow (C)</p> Signup and view all the answers

What lifestyle factor may contribute to the risk of developing urinary stones?

<p>Low fluid intake (C)</p> Signup and view all the answers

What is the lifetime risk of breast cancer for women in the United States by age 90?

<p>1 in 8 (C)</p> Signup and view all the answers

What primary change in vaginal flora leads to the development of bacterial vaginosis (BV)?

<p>Diminished presence of Lactobacilli (C)</p> Signup and view all the answers

Which of the following symptoms is most characteristic of bacterial vaginosis?

<p>Malodorous fishy smell with green-gray discharge (C)</p> Signup and view all the answers

How is bacterial vaginosis diagnosed through microscopy?

<p>Presence of clue cells (C)</p> Signup and view all the answers

What is the role of the Amine ('Whiff') Test in the diagnosis of bacterial vaginosis?

<p>It releases a fishy odor when KOH is added (D)</p> Signup and view all the answers

Which serotype of Herpes Simplex Virus is primarily associated with genital infections?

<p>HSV-2 (D)</p> Signup and view all the answers

What is a significant risk associated with bacterial vaginosis in pregnant patients?

<p>Increased risk of premature labor (B)</p> Signup and view all the answers

Which organism is often found in co-infection with Gardnerella vaginalis in cases of bacterial vaginosis?

<p>Anaerobic peptostreptococci (D)</p> Signup and view all the answers

What specifically about the environment allows for the overgrowth of Gardnerella vaginalis in bacterial vaginosis?

<p>Shift to anaerobic conditions (C)</p> Signup and view all the answers

Which aspect of Herpes Simplex Virus infections affects its contagiousness?

<p>Active infection with vesicles and ulcers (B)</p> Signup and view all the answers

Which method is NOT typically involved in diagnosing bacterial vaginosis?

<p>Urinalysis for glucose (D)</p> Signup and view all the answers

Which gene mutations are primarily responsible for familial breast cancer cases?

<p>BRCA1 and BRCA2 (B)</p> Signup and view all the answers

In which breast cancer subtype is overexpression of the HER2 receptor commonly due to gene amplification?

<p>HER2 (C)</p> Signup and view all the answers

What is the most significant risk factor for sporadic breast cancer in women?

<p>Estrogenic stimulation (A)</p> Signup and view all the answers

Which clinical manifestation is NOT typically associated with malignant breast tumors?

<p>Benign cyst formation (B)</p> Signup and view all the answers

Which characteristic is definitive for triple-negative breast cancer (TNBC)?

<p>Defective DNA repair mechanisms (D)</p> Signup and view all the answers

What is the main clinical manifestation of nephritic syndrome related to glomerular inflammation?

<p>Oliguria (C)</p> Signup and view all the answers

Which of the following conditions is most likely to cause nephritic syndrome?

<p>Proliferative lupus glomerulonephritis (B)</p> Signup and view all the answers

What pathophysiological change occurs in nephrotic syndrome that leads to proteinuria?

<p>Increased permeability of the glomerular membrane (D)</p> Signup and view all the answers

What electrolyte imbalance is most commonly observed during the recovery phase of acute tubular necrosis?

<p>Hypokalemia (C)</p> Signup and view all the answers

What is a common risk associated with nephritic syndrome due to the inflammatory process?

<p>Increased blood pressure (D)</p> Signup and view all the answers

In nephrotic syndrome, which complication arises from the loss of significant protein in the urine?

<p>Hypoalbuminemia (C)</p> Signup and view all the answers

What histological feature is associated with the proliferative changes in nephritic syndrome?

<p>Leukocyte infiltration (C)</p> Signup and view all the answers

Which of the following is a characteristic of chronic pyelonephritis?

<p>It is a complex disorder with multiple predisposing factors. (B)</p> Signup and view all the answers

What hallmark feature is observed in acute pyelonephritis?

<p>Unilateral involvement of renal parenchyma. (B)</p> Signup and view all the answers

What role does Escherichia coli play in urinary tract infections?

<p>It is responsible for over 85% of urinary tract infections. (B)</p> Signup and view all the answers

Which risk factor increases susceptibility to pyelonephritis?

<p>Instrumental procedures such as catheterization. (A)</p> Signup and view all the answers

What is a typical clinical manifestation of acute pyelonephritis?

<p>Sudden onset of fever and chills. (C)</p> Signup and view all the answers

Which condition may lead to repeated episodes of acute pyelonephritis?

<p>Vesicoureteral reflux. (A)</p> Signup and view all the answers

How do bacteria protect themselves from phagocytosis?

<p>By forming biofilms that shield them from immune cells. (A)</p> Signup and view all the answers

What complication can arise from untreated renal infections?

<p>Development of chronic kidney disease. (A)</p> Signup and view all the answers

What are the common clinical features of pyelonephritis?

<p>High fever, chills, and flank pain. (B)</p> Signup and view all the answers

Which symptom is characteristic of acute prostatitis?

<p>Swollen prostate on rectal exam (B)</p> Signup and view all the answers

What is a common risk factor associated with renal cell carcinoma?

<p>Exposure to asbestos (C)</p> Signup and view all the answers

What histological type is most commonly associated with renal cell carcinoma?

<p>Clear cell carcinoma (A)</p> Signup and view all the answers

What term describes the condition where symptoms of prostatitis are present without evidence of infection?

<p>Prostatodynia (D)</p> Signup and view all the answers

What is a potential consequence of Peyronie’s disease?

<p>Penile curvature and pain during intercourse (C)</p> Signup and view all the answers

Which demographic is primarily affected by renal cell carcinoma?

<p>Adults in their sixth and seventh decades (D)</p> Signup and view all the answers

What histological characteristic is associated with the clear cell subtype of renal tumors?

<p>Clear cytoplasm with glycogen and lipid (D)</p> Signup and view all the answers

What type of inflammation is believed to contribute to the fibrosis seen in Peyronie’s disease?

<p>Organizing sclerosing chronic inflammation (D)</p> Signup and view all the answers

What is an atypical symptom of chronic prostatitis?

<p>Severe fever and chills (D)</p> Signup and view all the answers

Which diagnostic test is essential for confirming the type of prostatitis?

<p>Urinalysis with culture (B)</p> Signup and view all the answers

What characterizes interstitial cystitis?

<p>It presents with bladder pain and urinary symptoms for more than six weeks. (C)</p> Signup and view all the answers

What is a typical symptom of autosomal dominant polycystic kidney disease (ADPKD)?

<p>Presence of hematuria. (A)</p> Signup and view all the answers

Which of the following statements about incontinence is true?

<p>Incontinence indicates any involuntary loss of urine. (C)</p> Signup and view all the answers

What is a severe complication associated with interstitial cystitis?

<p>Chronic mucosal ulcers (Hunner ulcers). (C)</p> Signup and view all the answers

What is a primary concern when diagnosing interstitial cystitis?

<p>Overlooking signs of bladder cancer. (C)</p> Signup and view all the answers

How is autosomal recessive polycystic kidney disease inherited?

<p>It is linked to mutations in the PKHD1 gene. (A)</p> Signup and view all the answers

Which symptom is least likely to be associated with interstitial cystitis?

<p>Proteinuria. (A)</p> Signup and view all the answers

What defines the typical cystoscopic findings in interstitial cystitis?

<p>Bladder inflammation indicated by mucosal edema. (D)</p> Signup and view all the answers

What distinguishes the late phase of interstitial cystitis?

<p>Presence of Hunner ulcers. (D)</p> Signup and view all the answers

Flashcards

Prerenal AKI

Acute Kidney Injury (AKI) caused by reduced blood flow to the kidneys.

Intrinsic/Intrarenal AKI

AKI caused by damage within the kidney itself, affecting nephrons.

Postrenal AKI

AKI caused by blockage of urine flow from the kidney, distal to the kidney.

Acute Tubular Necrosis (ATN)

Most common cause of intrinsic AKI, caused by damage to kidney tubules.

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AKI (Acute Kidney Injury)

Sudden decline in kidney function, leading to waste buildup and fluid imbalance.

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Reduced GFR

Decreased glomerular filtration rate, a key indicator of kidney function decline.

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Oliguria

Reduced urine output.

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Volume depletion

Loss of body fluids, a common cause of prerenal AKI.

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Acute Tubular Necrosis (ATN)

A common cause of acute kidney injury, characterized by damage to the kidney's tubules, leading to decreased urine output and rising waste products in the blood.

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ATN Pathophysiology

ATN involves two key processes: vascular (reduced blood flow, hypoxia, vasoconstriction) and tubular (inflammation, reperfusion injury, causing casts and obstruction).

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Causes of ATN

ATN results from low blood flow to the kidneys or exposure to toxins.

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ATN Clinical Manifestations

ATN has three stages: Prodromal/Initiation (early signs, urine output may be normal or decreasing), Oliguric/Maintenance (decreased urine, potentially needing dialysis), and Post-Oliguric/Recovery (increasing urine, kidney function recovery attempted).

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Oliguria (ATN)

Low urine output, usually between 50 – 400 mL/day, in the maintenance phase of ATN.

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GFR

Glomerular Filtration Rate: The rate at which blood is filtered in the kidneys. It affects toxin clearance and is important in kidney health.

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Azotemia & Uremia

Buildup of waste products in the blood due to reduced GFR, causing symptoms and possibly serious complications.

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Hyperlipidemia

A condition characterized by excessively high levels of lipids (fats) in the blood.

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Proteinuria

Presence of excessive protein in the urine.

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Hypoalbuminemia

Low levels of albumin in the blood.

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Edema

Swelling caused by fluid buildup in tissues.

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RAAS

Renin-Angiotensin-Aldosterone System. A system in the body that regulates blood pressure and fluid balance.

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Pyelonephritis

A bacterial infection of the kidneys and renal pelvis.

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Urinary Tract Infection (UTI)

Infection of the urinary system that can ascend to the kidneys.

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Escherichia coli

A common bacteria that causes UTIs.

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Clotting factors

Proteins that help the blood clot

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Chlamydia trachomatis

A small, gram-negative bacterium that lives inside host cells.

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Elementary Body (EB)

Infectious, but inactive form of Chlamydia trachomatis, enters host cells.

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Reticulate Body (RB)

Metabolically active, replicative form of Chlamydia trachomatis, replicates inside host cells.

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Type III Secretion System

Used by Chlamydia to inject proteins into host cells.

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Lymphogranuloma venereum (LGV)

Chronic, ulcerative disease caused by L serotypes of Chlamydia trachomatis.

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Genital Chlamydia

Infection with Chlamydia trachomatis in the genital area.

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Asymptomatic infection

Infection with no noticeable signs or symptoms.

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Clinical features

Signs and symptoms associated with a certain disease.

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Epidemiology of LGV

Endemic in certain regions, sporadic in others.

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HSV Latency

The virus hides in nerve cells after initial infection, allowing for reactivation later.

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HSV Reactivation

The virus becomes active again, causing symptoms like sores.

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HSV Infection Persistence

HSV infections remain in the body for life.

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Neonatal HSV Infection Risk

A high risk of transmission from mother to baby during delivery if the mother has an active infection.

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HSV Incubation Period

The time from infection to when sores appear (3-7 days).

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HSV Lesion Progression

Sores develop from small bumps to fluid-filled blisters to open sores.

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Genital HSV Symptoms

Genital HSV can cause discharge and pelvic pain.

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HSV Diagnosis - Clinical Evaluation

Diagnosis based on the typical appearance of sores.

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HSV Diagnosis - Tissue Culture

A lab test where the virus is grown in a culture to be identified.

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HSV Diagnosis - PCR

A test identifying the virus's genetic material.

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Prevention of Neonatal HSV

Cesarean delivery is recommended for mothers with active infection during birth.

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Polycystic Kidney Disease (PKD)

A genetic disorder causing numerous cysts to develop in the kidneys, potentially leading to kidney failure.

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PKD Types

Two main types involve gene defects (PDK1 & PDK2), with different ages of onset and progression.

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PKD Symptoms

Symptoms like hypertension (high blood pressure), proteinuria (protein in urine), hematuria (blood in urine), and pain related to kidney function.

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PKD Progression

Kidney function gradually declines in PKD, often leading to kidney failure—requiring dialysis, or transplant

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Benign Prostatic Hyperplasia (BPH)

A common non-cancerous enlargement of the prostate gland in older men.

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BPH Age of Onset

Typically affects men over 50 years of age.

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Kidney Stones

Solid masses formed from minerals and salts in the urine.

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Urolithiasis

The medical term for kidney stones (also called renal calculi).

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Calcium Stones

The most common type of kidney stones, composed largely of calcium oxalate or calcium oxalate mixed with calcium phosphate.

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Nephrolithiasis

Kidney Stones

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Risk Factors (Kidney Stones)

Conditions or factors that increase the chance of kidney stone formation.

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Hyperparathyroidism

A condition with too much parathyroid hormone, raising calcium levels and potentially forming stones.

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Gout

A form of arthritis that has potential kidney stone risk

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Breast Cancer

A disease characterized by cells growing abnormally in the breast.

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Familial Breast Cancer

Breast cancer that is inherited.

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Wilms Tumor Age of Onset

Peak incidence is between 2-5 years of age, with 95% occurring before 10 years of age.

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Wilms Tumor Bilateral

Involves both kidneys, either simultaneously (synchronous) or one after the other (metachronous).

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Metastasis Route

Typically through the bloodstream to organs like the brain, liver, adrenal glands, and bone.

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Nocturnal Enuresis

Intermittent incontinence while asleep, inappropriate wetting of clothing or bedding, mainly in children.

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Primary Nocturnal Enuresis

A child who has never achieved continence (they've never been dry at night).

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Secondary Nocturnal Enuresis

Develops after a period of at least 6 months of dryness.

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Glomerulonephritis (Acute)

Immune response to triggers (often strep throat/skin infections); immune cells attack and damage the kidney basement membrane, reducing filtration.

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Glomerulonephritis (Chronic)

Ongoing damage and scarring (fibrosis) lead to shrinking of nephrons and reduced kidney function.

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Clinical Manifestations (Wilms Tumor)

Palpable abdominal mass, abdominal pain, high blood pressure (HTN), and sometimes blood in urine (hematuria).

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Clinical Manifestations (Glomerulonephritis)

Persistent protein and blood in urine, slowly declining kidney function.

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Gardnerella vaginalis

A gram-variable bacterium often associated with bacterial vaginosis (BV).

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Bacterial vaginosis (BV)

A shift in vaginal flora, not a single infection, often with Gardnerella vaginalis and other bacteria.

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BV Characteristic Discharge

Thin, green-gray vaginal discharge with a fishy odor, especially noticeable after intercourse.

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Clue cells in microscopy

Vaginal epithelial cells coated with bacteria, visible in a microscopic wet mount.

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Amine test (Whiff test)

A diagnostic test where adding KOH to the discharge produces a fishy odor.

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HSV-1

A type of herpes simplex virus primarily causing oral herpes (cold sores).

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HSV-2

A type of herpes simplex virus mostly associated with genital herpes.

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HSV Active Infection

The phase of herpes simplex infections with visible sores and high infectiousness.

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Vaginal Bulge

A protrusion of the rectum into the vagina.

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Pelvic Pressure

Discomfort or pain felt in the pelvic region.

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Bowel Movement Difficulty

Problems with passing stool.

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Incomplete Bowel Evacuation

Feeling like the bowels are not completely empty after a bowel movement.

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Fecal Incontinence

Loss of control over bowel movements.

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Dysfunctional Uterine Bleeding (DUB) Grading

Classification of DUB severity based on the extent of rectal wall protrusion into the vaginal canal.

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DUB Severity

The level determining whether surgical intervention is needed. Grading severity based on extent of rectal wall protrusion

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Fecal Incontinence (DUB)

Loss of control over bowel movements due to rectal wall displacement.

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Incomplete Evacuation (DUB)

Difficulty completely emptying the bowels due to various reasons.

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Recurrent UTIs (DUB)

Frequent urinary tract infections caused by incomplete bowel emptying and pelvic floor issues.

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DUB (Dysfunctional Uterine Bleeding)

Abnormal uterine bleeding not linked to tumors, inflammation, pregnancy, trauma, or hormonal issues.

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An Ovulatory Cycle

A cycle where ovulation does not happen, causing inconsistent or excessive bleeding due to imbalanced hormones.

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Endometrial Hyperplasia

Thickening of the uterine lining due to estrogen dominance, often leading to irregular bleeding.

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Recovery Phase Urine Volume

Large urine volume (up to 3 L/day) during kidney recovery, despite damaged tubules, causing loss of water, sodium, and potassium.

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Nephrotic Syndrome Proteinuria

Increased glomerular permeability causing significant protein loss in urine due to damaged glomerular capillaries.

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Nephritic Syndrome Cause

Immunological damage to glomeruli with inflammation, causing proliferative changes and leukocyte infiltration.

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Nephritic Syndrome Clinical

Clinical symptoms include hematuria, oliguria, proteinuria, azotemia, and hypertension, resulting from the damaged glomeruli.

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Nephrotic vs. Nephritic

Two types of kidney syndromes, one affecting protein filtration and the other inflammation within the filtering units.

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Incontinence

Involuntary loss of urine, never normal, and not a normal part of aging.

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Interstitial Cystitis

A condition causing frequent, severe pain around the bladder, along with urinary symptoms lasting over six weeks, without obvious infection or other causes.

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ADPKD (Autosomal Dominant Polycystic Kidney Disease)

Inherited condition affecting the kidneys, causing multiple cysts leading to potential kidney failure.

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ARPKD (Autosomal Recessive Polycystic Kidney Disease)

Inherited condition causing numerous cysts in the kidneys that ultimately lead to kidney failure. Mutation in PKHD1 gene.

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Pyelonephritis definition

Inflammation of the kidney tubules, interstitium, and renal pelvis, often caused by bacterial infection.

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Acute pyelonephritis cause

Generally caused by a bacterial infection, usually associated with a urinary tract infection.

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Chronic pyelonephritis cause

Bacterial infection plays a role, but factors like vesicoureteral reflux and obstruction also contribute to repeat acute pyelonephritis episodes.

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UTI common cause

Gram-negative bacilli, often Escherichia coli, are the most common causes.

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Acute Pyelonephritis Pathophysiology

Bacteria binding to epithelial cells triggers inflammation that damages kidney tissue.

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Acute Pyelonephritis Risk Factors

Factors like pregnancy, diabetes, and urinary tract abnormalities increase the risk.

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Acute Pyelonephritis symptoms

Sudden onset, fever, chills, pain, and urinary symptoms (dysuria, urgency, frequency).

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Prostatitis

Inflammation of the prostate gland, often causing symptoms like fever, back pain, and painful urination.

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Acute Prostatitis Symptoms

Fever, chills, low back pain, frequency, urgency, and dysuria (painful urination).

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Chronic Prostatitis Symptoms

Pain in the perineum, back, suprapubic area or testis and voiding symptoms but may be asymptomatic.

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Prostadynia

Chronic pelvic pain syndrome with prostatitis symptoms, but no infection or inflammation.

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Prostatitis Diagnosis

Urinalysis (checking WBCs and bacteria) and urine culture needed to identify the causative organisms.

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Peyronie's Disease

Connective tissue fibrosis in the penis, causing curvature and painful erections.

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Renal Cell Carcinoma

Kidney cancer, most common in older adults, often unilateral.

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Renal Cell Carcinoma Risk Factors

Smoking, obesity, high blood pressure, diabetes, asbestos and heavy metal exposure.

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Renal Cell Carcinoma Histology (Clear Cell)

Most common type, originates from proximal tubules in the renal cortex, with high potential for metastasis.

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Risk of Familial Breast Cancer

Inherited predisposition to breast cancer, often due to loss-of-function mutations in genes involved in DNA repair, like BRCA1, BRCA2, and TP53.

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BRCA1 and BRCA2 mutations

Mutations in these genes cause 80-90% of familial breast cancers and 3-6% of all breast cancers.

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Sporadic breast cancers

Breast cancers not related to family history, but associated with estrogen exposure and age.

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Molecular breast cancer groups

Breast cancers classified into luminal (ER-positive), HER2, and triple-negative groups based on receptor expression and biological characteristics.

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Luminal breast cancer subtypes

Luminal cancers are further divided into A and B, differing primarily in proliferation rate (low in group A, high in group B).

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HER2 breast cancer

Breast cancer characterized by overexpression of the HER2 receptor, often due to gene amplification, and responsive to HER2 inhibitors.

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Triple-negative breast cancer (TNBC)

Breast cancer lacking ER and HER2 expression, often associated with DNA repair defects and carrying a poor prognosis.

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Clinical manifestations breast cancer

Common signs include painless lumps, skin dimpling, nipple retraction, breast contour changes, and bloody nipple discharge.

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Fibrocystic breasts

Non-proliferative breast changes characterized by cystic formations and apocrine metaplasia.

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Study Notes

Acute Kidney Injury (AKI)

  • AKI (formerly ARF) is a sudden reduction in kidney function.
  • It causes a buildup of waste products (BUN) and imbalances in fluids, electrolytes, and acidity.
  • Increased serum creatinine and decreased glomerular filtration rate (GFR) are indicators.
  • AKI is categorized by pathophysiology: prerenal, postrenal, and intrinsic/intrarenal.

Causes of AKI

  • Prerenal: Reduced blood flow to the kidneys.
    • Causes: Hypovolemia (blood loss, dehydration), decreased cardiac output (heart failure, shock), hepatorenal syndrome, and renal artery stenosis.
  • Postrenal: Obstruction of urine outflow from the kidneys.
    • Causes: Bladder outlet obstruction, tumors, kidney stones, retroperitoneal fibrosis.
  • Intrinsic/Intrarenal: Direct damage to the kidney tissues.
    • Causes: Acute tubular necrosis (ATN) (ischemia, nephrotoxins, rhabdomyolysis), acute interstitial nephritis (AIN), glomerular diseases, thrombotic microangiopathy.

Acute Tubular Necrosis (ATN)

  • The most common cause of intrinsic AKI.
  • Ischemia (reduced blood flow) or nephrotoxins are the main causes.
  • ATN involves tubular epithelial cell damage, leading to urine flow obstruction and impairment of filtration.

Clinical Manifestations of AKI

  • Depending on the stage and cause, symptoms can range from decreased urine output to fluid overload, imbalances in electrolytes and acid-base homeostasis, and potentially a complete loss of kidney function.

Acute Kidney Injury - Prerenal AKI

  • Reduced blood flow to the kidneys.
  • The most common cause is volume depletion.
  • Symptoms include low urine output (oliguria), high urine specific gravity, and low urinary sodium levels.
  • Severe or prolonged prerenal AKI can progress to intrinsic kidney injury.

Acute Kidney Injury - Intrinsic/Intrarenal AKI

  • Involves damage within the kidneys.
  • Causes include ischemia (sepsis, drugs) or nephrotoxins (contrast media, certain medications).
  • Can cause inflammation, obstruction, or damage in the tubules, glomeruli, interstitium, or vessels.
  • Symptoms may manifest with low GFR (oliguria), increased serum BUN/creatinine, and possibly high potassium levels.

Acute Kidney Injury - Postrenal AKI

  • Caused by obstruction in the urinary tract.
  • Pressure builds up in the Bowman's capsule, impairing filtration.
  • Leading causes include benign prostatic hyperplasia (BPH), tumors, kidney stones, and strictures.
  • Symptoms vary based on the obstruction duration.

Chronic Kidney Disease (CKD)

  • Progressive loss of kidney function.
  • Multiple underlying conditions may contribute to its onset: chronic glomerulonephritis, chronic pyelonephritis, and diabetes.
  • Loss of nephrons and fibrosis are characteristic of CKD.
  • Symptoms often appear insidiously, ranging from fatigue, nausea, and edema to severe uremic syndrome.

Nephrotic Syndrome

  • Increased kidney permeability to proteins (due to damage to the glomeruli).
  • Often caused by diabetes.
  • Major features include massive proteinuria, hypoalbuminemia, and edema.
  • Hyperlipidemia may also occur.

Nephritic Syndrome

  • Inflammatory damage to the glomeruli.
  • Characterized by hematuria, proteinuria, oliguria, and hypertension.
  • Causes can include post-infectious glomerulonephritis (most common cause is strep infections), lupus nephritis, and other conditions.

Pyelonephritis

  • Inflammation of the tubules, interstitium, and renal pelvis of the kidney.
  • Usually caused by an ascending bacterial infection.
  • Often linked to urinary tract infections (UTIs)
  • Main associated organisms are E. coli.

Interstitial Cystitis/Chronic Pelvic Pain Syndrome

  • Recurrent pain in the bladder region without inflammation.
  • Typical symptoms include pelvic pain, frequency, urgency, and hematuria.
  • Diagnosis is often challenging as there are no definitive tests.

Autoimmune Renal Diseases (ADPKD & ARPKD)

  • Autosomal dominant polycystic kidney disease (ADPKD)

    • A hereditary disorder of multiple cysts in both kidneys, leading to eventual kidney failure.
  • Autosomal recessive polycystic kidney disease (ARPKD)

    • Usually appears in infants or young children; cystic changes present in kidney's collecting ducts and liver's portal ducts.

Benign Prostatic Hyperplasia (BPH)

  • A non-cancerous enlargement of the prostate gland.
  • Common in elderly men.
  • Causes urinary obstruction because of prostate enlargement, leading to urinary symptoms.

Testicular Torsion

  • Twisting of the spermatic cord.
  • Cuts off blood supply to the testicle.
  • Extremely painful and potentially damaging.

Epididymitis

  • Inflammation of the epididymis (a tube that stores and transports sperm).
  • Often associated with urinary tract infections including those from sexually transmitted infections (STIs).
  • The most common causes of epididymitis in men <35 are C. trachomatis and N. gonorrhoeae (STIs); older men more likely to have E. coli, Psuedomonas or other UTI pathogens.

Phimosis & Paraphimosis

  • Phimosis: Inability to retract foreskin over the glans.
  • Paraphimosis: Foreskin that cannot be moved back to its normal position over the glans.
  • Often arise due to inflammatory causes and frequently lead to secondary infections.

Prostate Disorders (prostatitis)

  • Inflammation of the prostate gland.
  • Acute viral or bacterial prostatitis may cause pain in the perineum, groin and back, with fever or other systemic symptoms.

Testicular Cancer

  • A cancer most common in younger individuals.
  • Occurs in the scrotum or testes.
  • Presents as a painless lump or pain in the testicle.

Nephroblastoma (Wilms Tumor)

  • A child or infant cancer.
  • Found in the kidney
  • Common childhood renal malignancy.

Nocturnal Enuresis

  • Occurs in children.
  • Incontinence of urine during sleep
  • Due to impaired bladder control mechanisms, possible inappropriate activity of the detrusor muscle, or immaturity of arousal mechanisms.

Glomerulonephritis (Acute and Chronic)

  • Acute Glomerulonephritis (AGN)
    • Immune response triggers inflammation of glomeruli.
    • Usually associated with strep infections.
    • Key features include hematuria, proteinuria, oliguria, and elevated blood pressure.
  • Chronic glomerulonephritis (CGN)
    • Results from prolonged inflammatory damage and sclerosis in glomeruli.
    • Leads to reduced glomerular filtration and progressive kidney damage.
    • Associated with an increasing number of risk factors for end-stage kidney dysfunction

Prostatitis

  • Inflammation of the prostate gland.
  • May be of viral or bacterial origin
  • Causes pain in the perineal region, groin, and lower back, with possible fever and other systemic symptoms. Often mistaken for urinary tract infections.

Peyronie's Disease

  • Fibrosis of the penis that leads to curvature.
  • Typically appears as thickened plaque-like areas in the tunica albuginea of the penis.
  • Often painful, can affect erectile function.
  • Not cancerous, but results in curvature and pain during erection.

Renal Cell Carcinoma

  • Most common kidney cancer in adults.
  • Frequently arises in the proximal tubules.
  • Characterized by a variety of forms: clear cell, papillary, and chromophobe.
  • Associated with various risk factors: smoking, obesity, excessive alcohol use, and hypertension..
  • Presents typically with flank pain, hematuria, and an easily palpable mass.

Glomerulopathies

  • Diseases involving the glomerulus causing damage to its structure and function.
  • Account for a significant portion of end-stage renal disease (ESRD).
  • Often characterized by varying degree of proteinuria.

Vesicoureteral Reflux (VUR)

  • Incompetence of the valve at the ureter and bladder junction.
  • Urine flows back into the ureters or renal pelvis.
  • Leading cause of recurrent pyelonephritis and kidney damage.

Urinary Tract Obstruction (Obstructive Uropathy)

  • Blockage of urine flow in the urinary tract.
  • Can lead to hydronephrosis (kidney dilation) and kidney damage.
  • Causes include stones, tumors, prostatic hypertrophy, and congenital abnormalities.

Bacterial Vaginosis (BV)

  • An imbalance in normal vaginal flora.
  • Characterized by a thin, grayish-white vaginal discharge with a characteristic "fishy" odor.
  • Commonly associated with multiple bacterial species and poor vaginal pH regulation.

Chlamydia Trachomatis

  • A bacterial STI.
  • Can manifest asymptomatically in both men and women.
  • Can lead to various complications: urethritis, epididymitis, proctitis, and potentially pelvic inflammatory disease (PID) in women.

Gardnerella Vaginalis

  • A bacteria.
  • High association with BV (bacterial vaginosis).
  • Leads to abnormal grayish-white discharge, often with a fishy odor.

Herpes Simplex Virus (HSV)

  • A viral STI.
  • Typically causes either oral or genital lesions.
  • Characterized by painful vesicles or ulcers.

Condylomas (Genital Warts)

  • Caused mainly by types 6 and 11 of human papillomavirus (HPV).
  • Often appear as soft, fleshy, or skin-colored growths in the genital or anal areas.
  • Can be transmitted sexually and may resolve spontaneously in many cases.

Rectocele

  • Prolapse of rectal tissue into the vagina.
  • May result from childbirth injuries or other factors weakening pelvic floor support.
  • Characterized by difficulty with bowel function, and potentially fecal incontinence.

Dysfunctional Uterine Bleeding (DUB)

  • Abnormal uterine bleeding unrelated to pregnancy or any anatomical or inflammatory abnormality.
  • Often results from hormonal imbalances such as anovulation or hormonal disruptions.
  • Related to impaired hormonal regulation of the endometrium.

Endometriosis

  • Presence of endometrial tissue outside the uterus.
  • Leads often to pelvic pain and dysmenorrhea.
  • May result in significant inflammatory process and adhesions.
  • Potential complications include infertility.

Endometrial Hyperplasia

  • Abnormal proliferation of endometrial tissue, which may be triggered by prolonged, unopposed estrogen stimulation.
  • May progress to endometrial cancer, but usually remains benign.

Endometrial Carcinoma

  • Most common invasive cancer of the uterine lining in postmenopausal women.
  • Often associated with unopposed estrogen stimulation and high levels of circulating estrogen.
  • Cancers that arise here frequently arise from hyperplasia that has atypical cellular changes.
  • May progress through multiple stages of hyperplasia before progressing to cancer.

Cervical Carcinoma

  • HPV (human papillomavirus) is a strong risk factor in many cases.
  • Often diagnosed as hyperplasia that has atypical cellular changes.
  • Usually takes a long period of development and multiple stages of dysplasia and carcinoma in situ to progress to cancer.
  • Can present through abnormal bleeding, especially post-coital bleeding.
  • Requires ongoing screening tests and monitoring.

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