Dermatology - Main
94 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following symptoms is commonly associated with folliculitis?

  • Nodules and cysts on the face
  • Ramsay-Hunt Syndrome
  • Ulcerative lesions
  • Pus-filled blisters that crust (correct)

Which of these conditions is LEAST likely to trigger rosacea?

  • Exposure to sunlight
  • Consumption of cold foods (correct)
  • Ingestion of spicy foods
  • Aerobic exercise

Which of the following is a potential trigger for acne?

  • Viral exposure
  • Hormones (correct)
  • Fungal growth
  • Bacterial Infection

A patient presents with bumps around hair follicles, pruritus, and pus-filled blisters. Which condition is MOST likely?

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

A dermatologist is evaluating a patient with persistent facial flushing and visible small blood vessels but no notable acne lesions or pustules. The patient reports flares after consuming alcohol and spicy foods. Which condition is MOST consistent with these findings?

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

Which characteristic is LEAST likely to be associated with Basal Cell Carcinoma (BCC)?

<p>Aggressive metastasis to distant organs. (D)</p> Signup and view all the answers

What is the primary immunological feature that characterizes pemphigoid diseases?

<p>Auto-antibodies against hemidesmosomes. (B)</p> Signup and view all the answers

Which of the following is a key risk factor specifically associated with Squamous Cell Carcinoma (SCC), but less so with other types of skin cancer?

<p>Consumption of alcohol and tobacco. (C)</p> Signup and view all the answers

A patient presents with a skin lesion exhibiting a well-defined border, but with significant color variation throughout the lesion. Which type of skin cancer is MOST suggested by these characteristics alone?

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

In the context of Mucous Membrane Pemphigoid (MMP), which statement accurately reflects the typical presentation and immunological target?

<p>MMP predominantly involves mucous membranes, with rare skin lesions, and autoantibodies directed against hemidesmosomes. (A)</p> Signup and view all the answers

Which of these factors is least likely to be associated with causing perioral dermatitis?

<p>Exposure to extreme cold weather (C)</p> Signup and view all the answers

What visual characteristic is most indicative of Lichen Planus?

<p>White, striated rings (B)</p> Signup and view all the answers

Which area of the body is least likely to be affected by Psoriasis?

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

What classic symptom is most associated with Lupus Erythematosus (LE)?

<p>Butterfly-shaped rash on the face (A)</p> Signup and view all the answers

Bullseye lesions are most characteristic of which condition?

<p>Erythema Multiforme (EM) (D)</p> Signup and view all the answers

Which of the following conditions is most frequently linked to Coeliac disease?

<p>Dermatitis Herpetiformis (A)</p> Signup and view all the answers

A patient presents with erythema, pruritus, and a history of asthma and hay fever. Which condition is most likely?

<p>Atopic Dermatitis (Eczema) (D)</p> Signup and view all the answers

Which microscopic finding would least likely be associated with Perioral Dermatitis?

<p>Presence of Langerhans cells (B)</p> Signup and view all the answers

What is the key characteristic that differentiates a 'macule' from a 'patch'?

<p>The size of the altered skin area. (D)</p> Signup and view all the answers

Which term best describes a widespread eruption of multiple skin lesions?

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

A patient presents with a linear ulceration on their lip. Which term accurately describes this type of lesion?

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

Which diagnostic method involves using a magnifying device to examine the depth of a skin lesion?

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

A patient presents with a skin condition characterized by full loss of the epidermis extending into a portion of the dermis. Which term accurately describes this lesion?

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

Which of the following best describes the appearance of skin affected by atrophy?

<p>Showing reduced thickness of the epidermis or dermis. (C)</p> Signup and view all the answers

Which of the following is NOT a common cause of contact dermatitis?

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

A patient develops a rash after using a new laundry detergent. Through which mechanism did this rash most likely occur?

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

A researcher is investigating the molecular mechanisms underlying a rare skin disorder characterized by abnormal keratinocyte differentiation. They hypothesize that a specific transcription factor, 'KRT-Factor X', is essential for maintaining epidermal homeostasis, and that its absence leads to the observed phenotype. To test this hypothesis, the researcher generates a conditional knockout mouse model where 'KRT-Factor X' can be selectively deleted in epidermal cells.After inducing the knockout, the researcher performs a series of experiments, including gene expression analysis, histological examination, and functional assays. The results reveal that 'KRT-Factor X' deletion leads to a significant downregulation of genes involved in keratinocyte differentiation, disruption of the epidermal barrier function, and increased susceptibility to inflammation and infection.Based on these findings, which of the following statements provides the most comprehensive and mechanistically relevant conclusion regarding the role of 'KRT-Factor X' in epidermal biology?

<p>'KRT-Factor X' plays a crucial role in regulating keratinocyte differentiation, maintaining epidermal barrier function, and protecting against inflammation and infection. (B)</p> Signup and view all the answers

A patient presents with erythema, pruritus, and small vesicles. Which condition is MOST likely?

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

Which insect bite is associated with the transmission of Lyme disease?

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

Which of the following is the MOST characteristic symptom that differentiates shingles from other rashes?

<p>Rash restricted to one side of the body, stopping at the midline (C)</p> Signup and view all the answers

Malassezia, a harmless yeast, is the primary cause of which skin condition?

<p>Seborrheic dermatitis (B)</p> Signup and view all the answers

A child presents with erythematous lesions covered in a 'cornflake crust.' Which treatment is MOST appropriate?

<p>Antibiotic ointment (B)</p> Signup and view all the answers

A patient is diagnosed with shingles. Which of the following viruses is responsible for this condition?

<p>Varicella-Zoster virus (B)</p> Signup and view all the answers

A patient presents with a rash characterized by blistering, intense pain, and a distribution strictly confined to a single dermatome. The patient reports having chickenpox as a child. Which of the following is the MOST appropriate next step in management?

<p>Initiate antiviral therapy as soon as possible to reduce the severity and duration of symptoms. (D)</p> Signup and view all the answers

What is the primary characteristic of a positive pathergy test?

<p>An exaggerated response to a sterile needle prick into the dermis. (D)</p> Signup and view all the answers

Which of the following is NOT typically a key element in the multidisciplinary management of conditions presenting with a positive pathergy test?

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

Which of these is the most appropriate first-line treatment for Recurrent Aphthous Stomatitis (RAS) managed by a General Dental Practitioner (GDP)?

<p>Good oral hygiene and warm salt water rinses (D)</p> Signup and view all the answers

What type of hypersensitivity reaction is Lichen Planus?

<p>Type 4 (Cell-mediated) (B)</p> Signup and view all the answers

What is the significance of Koebner phenomenon in the context of Lichen Planus?

<p>It describes the development of new lesions at sites of skin trauma. (B)</p> Signup and view all the answers

Which histological finding is LEAST likely to be associated with Oral Lichen Planus?

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

A patient presents with lesions clinically and histologically consistent with lichen planus. However, the lesions appeared shortly after starting a new medication. What is the MOST appropriate next step in management?

<p>Advise the patient to discontinue the new medication after consulting with their physician. (A)</p> Signup and view all the answers

A patient with confirmed Lichen Planus undergoes amalgam replacement with composite fillings. Six months later, lichenoid lesions persist adjacent to the new composite restorations. What immunological mechanism MOST likely explains the continued presence of these lesions?

<p>Chronic Type IV hypersensitivity reaction to components of the composite resin. (D)</p> Signup and view all the answers

Which term accurately describes a single, distinct area of altered skin?

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

How is a 'patch' distinguished from a 'macule'?

<p>Patches are larger, while macules are smaller. (D)</p> Signup and view all the answers

What distinguishes a fissure from an ulcer?

<p>A fissure is a linear ulceration, while an ulcer involves full loss of the epidermis and a portion of the dermis. (B)</p> Signup and view all the answers

What is the term for the reduction of epidermal or dermal thickness?

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

Which diagnostic procedure involves using a magnifying device to examine the depth of a lesion?

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

A patient presents with a suspected allergic reaction on their skin. Which of the following investigations would be most useful in identifying the causative agent?

<p>Allergy Tests (A)</p> Signup and view all the answers

A patient experiences a rash after exposure to poison ivy. Which of the following categories of rash causes does this best exemplify?

<p>Natural Ingredients (A)</p> Signup and view all the answers

A researcher is investigating a novel topical treatment for eczema, focusing on its ability to modulate the skin's immune response without causing systemic immunosuppression. In a clinical trial, patients treated with the topical agent show significant improvement in their eczema symptoms, along with a reduction in local inflammation. However, the treatment group also exhibits a statistically significant increase in the incidence of localized fungal infections compared to the placebo group. Considering these findings, which of the following mechanisms of action is the most likely explanation for the observed increase in fungal infections?

<p>Compromised local T-cell function due to the topical agent, impairing anti-fungal immunity. (D)</p> Signup and view all the answers

Which of the following is a potential complication arising specifically from shingles?

<p>Post-herpetic neuralgia (B)</p> Signup and view all the answers

Which anatomical area is primarily affected by Ramsay-Hunt syndrome, a complication associated with shingles?

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

A patient presents with spots, oily skin, and hot skin. Which additional symptom, if present, would MOST strongly suggest a diagnosis of acne rather than rosacea?

<p>Comedones (blackheads or whiteheads) (A)</p> Signup and view all the answers

In the management of acne, which factor suggests a potential genetic predisposition to the condition?

<p>Family history of acne (C)</p> Signup and view all the answers

A patient with rosacea is prescribed a topical medication to reduce facial redness. However, they also report experiencing frequent migraines. Which of the following lifestyle modifications would be LEAST likely to concurrently improve both their rosacea and migraine symptoms?

<p>Regular aerobic exercise (D)</p> Signup and view all the answers

In Mucous Membrane Pemphigoid (MMP), what is the primary reason a fresh or frozen biopsy is required for direct immunofluorescence?

<p>To preserve the integrity of the autoantibodies and tissue structures for proper visualization of the blisters. (B)</p> Signup and view all the answers

Which of the following is the MOST common initial clinical sign associated with Mucous Membrane Pemphigoid (MMP)?

<p>Desquamative gingivitis. (C)</p> Signup and view all the answers

What is the underlying mechanism that differentiates the blister formation process in Pemphigus Vulgaris from that in Mucous Membrane Pemphigoid (MMP)?

<p>Pemphigus Vulgaris results in intra-epithelial bullae due to autoantibody activity; MMP features damage to the basement membrane. (D)</p> Signup and view all the answers

A 62-year-old female presents with painful oral ulcerations and desquamative gingivitis. An ophthalmological examination reveals early signs of conjunctival involvement. Direct immunofluorescence of a perilesional biopsy shows linear deposits of IgG along the basement membrane zone. Based on these findings, which of the following systemic treatments would be MOST appropriate as an initial intervention?

<p>High-dose systemic corticosteroids in conjunction with dapsone or azathioprine. (C)</p> Signup and view all the answers

An 82-year-old patient with a history of well-managed hypertension presents with newly developed tense bullae on the skin, significant pruritus, but no oral lesions. Histological analysis reveals subepidermal blisters with an intact basement membrane. Direct immunofluorescence demonstrates linear IgG and C3 deposition along the basement membrane zone. Indirect immunofluorescence is negative. Considering these findings, which of the following serological markers is MOST critical to assess in order to differentiate between Bullous Pemphigoid and Mucous Membrane Pemphigoid in this patient?

<p>IgG antibodies against BP180 and BP230. (D)</p> Signup and view all the answers

What is the MOST likely immunological mechanism underlying the persistence of lichenoid lesions after amalgam replacement with composite fillings, when lesions were located adjacent to the new composite restorations?

<p>An ongoing cell-mediated hypersensitivity reaction triggered by components of the composite resin. (B)</p> Signup and view all the answers

Which of the following best describes the initial step in performing a pathergy test?

<p>Pricking the skin with a sterile needle into the dermis. (D)</p> Signup and view all the answers

What is the most appropriate initial recommendation a General Dental Practitioner (GDP) should provide for managing Recurrent Aphthous Stomatitis (RAS)?

<p>Advice on maintaining good oral hygiene and using a warm salt water mouthwash. (C)</p> Signup and view all the answers

Which statement accurately describes Oral Lichen Planus?

<p>It is a chronic inflammatory condition mediated by T-cells. (D)</p> Signup and view all the answers

What histologic characteristic is MOST indicative of Lichen Planus?

<p>Band-like accumulation of T-lymphocytes at the dermo-epidermal junction. (C)</p> Signup and view all the answers

What is the MOST appropriate immediate step in managing a patient whose lesions appeared post administration of a new medication, and are clinically and histologically consistent with lichen planus?

<p>Immediately stop the new medication and evaluate for lesion resolution. (A)</p> Signup and view all the answers

Which oral hygiene instruction is LEAST suitable for a patient with oral lichen planus?

<p>Regular rinsing with an alcohol-based mouthwash to prevent secondary infection. (D)</p> Signup and view all the answers

Which of the following is MOST likely to be part of the multidisciplinary team managing conditions presenting with a positive pathergy test?

<p>Oral medicine specialist, dermatologist, ophthalmologist, and rheumatologist (B)</p> Signup and view all the answers

What is the underlying mechanism of acantholysis?

<p>Separation of epithelial cells due to destroyed intercellular connections. (C)</p> Signup and view all the answers

Which of the following is the most common initial site of involvement in pemphigus vulgaris?

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

What is the primary goal of treating Pemphigus Vulgaris?

<p>To suppress the autoimmune response and reduce blister formation. (D)</p> Signup and view all the answers

Why are fresh or frozen tissue samples required for direct immunofluorescence in the diagnosis of pemphigus vulgaris?

<p>To preserve the integrity of autoantibodies and their binding sites. (C)</p> Signup and view all the answers

Which diagnostic criterion is essential for a Behcet's Disease diagnosis according to international guidelines?

<p>Recurrent oral ulceration (A)</p> Signup and view all the answers

What key feature differentiates Behcet's disease from other causes of oral and genital ulcers?

<p>Systemic vasculitis affecting small blood vessels (C)</p> Signup and view all the answers

MAGIC syndrome shares characteristics with Behcet's disease, but how do they differ?

<p>MAGIC syndrome involves oral and genital ulcers, along with inflamed cartilage. (D)</p> Signup and view all the answers

A 32-year-old male of Mediterranean descent presents with recurrent, painful oral and genital ulcers, along with uveitis. He is positive for HLA-B51. After initial treatment, his condition improves, but he develops DVT in his left leg. What is the MOST likely underlying cause?

<p>Behcet's Disease (C)</p> Signup and view all the answers

Which of the following factors is least associated with the development of skin tags (acrochordons)?

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

Which statement is most accurate regarding cherry angiomas?

<p>Genetics play a role in their occurrence, and they are generally benign. (C)</p> Signup and view all the answers

Ephelis is characterized by which of the following?

<p>Increased melanin deposition in sun-exposed skin. (D)</p> Signup and view all the answers

Lentigo solar is primarily associated with which of the following?

<p>Exposure to UV radiation and aging (B)</p> Signup and view all the answers

Which systemic condition might be indicated by hyperpigmentation of the palms and yellow/brown/grey skin on the face?

<p>Addison's disease (C)</p> Signup and view all the answers

Melanocytic naevi are characterized by:

<p>Proliferation of melanocytes and can be congenital or acquired (B)</p> Signup and view all the answers

A patient presents with multiple seborrheic keratoses. Which of the following statements regarding this skin condition is MOST accurate?

<p>Seborrheic keratoses are common, benign skin neoplasms that become more frequent with age, and are of unknown origin. (D)</p> Signup and view all the answers

A researcher is investigating the pathogenesis of melanocytic naevi and discovers a novel genetic mutation that significantly inhibits programmed cell death (apoptosis) specifically in melanocytes. This mutation leads to an accumulation of melanocytes even in the absence of typical growth signals. Based on this finding, which of the following statements MOST accurately describes the role of this mutation in the development of melanocytic naevi and its potential clinical implications?

<p>The mutation inhibits apoptosis, allowing for the survival and accumulation of melanocytes beyond their normal lifespan, increasing the likelihood of naevus formation and potentially elevating the risk of malignant transformation over time. (A)</p> Signup and view all the answers

Which of the following rashes is LEAST likely to present with both pruritus and erythema as primary symptoms?

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

A patient recently hiked through dense woodlands and now presents with a red, itchy rash characterized by small vesicles. What is the MOST probable cause?

<p>Contact Dermatitis due to Poison Ivy (D)</p> Signup and view all the answers

Following a bee sting, an individual develops localized pain, swelling, and erythema. Which of the following treatments would directly target the underlying cause of these symptoms?

<p>Epinephrine Injection (if anaphylaxis is present) (B)</p> Signup and view all the answers

A child presents with erythematous lesions covered in a 'cornflake crust.' Which of the following underlying pathogenic mechanisms is MOST likely contributing to the formation of these lesions?

<p>Bacterial infection with Staph Aureus or Strep Pyogenes (B)</p> Signup and view all the answers

A patient presents with a painful, blistering rash strictly confined to a single dermatome. Viral cultures are inconclusive, but the clinical presentation strongly suggests shingles. The patient denies any recent exposure to known allergens or irritants. Assuming laboratory confirmation is unavailable, which of the following additional clinical findings would the MOST strongly support a diagnosis of shingles?

<p>History of chickenpox (D)</p> Signup and view all the answers

A dermatologist is evaluating a patient’s skin and observes several distinct, small alterations in color that are flat. Which term BEST describes these individual findings?

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

Which of the following sequences represents the correct order of steps a clinician would typically undertake when initially evaluating a patient presenting with an undiagnosed dermatosis?

<p>Dermo-Scope → Allergy Tests → Blood tests → Biopsy (D)</p> Signup and view all the answers

A patient complains of a widespread eruption of lesions across their back after using a new body wash. Which term BEST describes this presentation?

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

Which of the following BEST describes the appropriate use of systemic steroids in managing skin disorders?

<p>Restricted to severe, recalcitrant conditions due to potential systemic effects. (A)</p> Signup and view all the answers

A researcher is investigating novel treatments for a severe dermatosis characterized by extensive epidermal breakdown and ulceration. They are evaluating a new recombinant protein, 'EpiHeal', designed to accelerate keratinocyte migration and proliferation. In a randomized controlled trial, patients treated with EpiHeal demonstrate significantly faster wound closure and reduced scarring compared to the placebo group. Proteomic analysis of the treated tissue reveals a marked increase in the expression of extracellular matrix components, particularly fibronectin and collagen, along with enhanced angiogenesis. However, a subset of patients develops abnormal tissue remodeling, resulting in hypertrophic scars and keloids. Considering these findings, which of the following strategies would be most appropriate to refine EpiHeal therapy and minimize adverse outcomes related to aberrant tissue repair?

<p>Integrate EpiHeal with targeted inhibitors of TGF-β signaling to modulate extracellular matrix deposition and prevent excessive scarring. (A)</p> Signup and view all the answers

Flashcards

Lesion

A single area of altered skin.

Rash

A widespread eruption of multiple skin lesions.

Dermatosis

A general term for any disease of the skin.

Macule

A small, flat alteration in skin color.

Signup and view all the flashcards

Patch

A large, smooth alteration in skin color.

Signup and view all the flashcards

Papule

Elevated and solid lesion less than 1 cm in diameter.

Signup and view all the flashcards

Fissure

Linear crack or split in the skin surface, often due to dryness.

Signup and view all the flashcards

Ulcer

Full loss of epidermis and portion of dermis.

Signup and view all the flashcards

Post-Herpetic Neuralgia

A painful nerve condition that can occur after a shingles outbreak.

Signup and view all the flashcards

Ramsay-Hunt Syndrome

A complication of shingles that affects the ears, potentially causing hearing and balance problems.

Signup and view all the flashcards

Folliculitis

An infection of the hair follicles, leading to bumps or pimples around hairs.

Signup and view all the flashcards

Acne

Inflammatory skin condition on face, back, and chest, resulting in blackheads, whiteheads, papules, pustules, nodules or cysts.

Signup and view all the flashcards

Rosacea

A chronic inflammatory skin condition causing redness and visible blood vessels, often triggered by alcohol, spicy foods, sunlight, or stress.

Signup and view all the flashcards

Contact Dermatitis

Inflammation of the skin caused by direct contact with irritants or allergens.

Signup and view all the flashcards

Insect Bites/Stings Rashes

Skin reactions resulting from bites or stings from insects like mosquitos, ticks, or bees.

Signup and view all the flashcards

Seborrheic Dermatitis

A common skin condition caused by the Malassezia yeast, affecting areas like the scalp, face, and torso.

Signup and view all the flashcards

Impetigo

A bacterial skin infection, commonly seen in children, caused by Staph aureus or Strep pyogenes.

Signup and view all the flashcards

Shingles

A reactivation of the varicella-zoster virus, causing a painful rash with blisters on one side of the body.

Signup and view all the flashcards

Erythema

Redness of the skin

Signup and view all the flashcards

Pruritus

Itchiness of the skin

Signup and view all the flashcards

Vesicles

Small fluid-filled blisters on the skin.

Signup and view all the flashcards

Exogenous Pigment

A pigment in the skin from an external source, like tattoo ink.

Signup and view all the flashcards

Malignant Melanoma

A type of skin cancer often linked to sun exposure.

Signup and view all the flashcards

Basal Cell Carcinoma

A common skin cancer, especially in older individuals, that may bleed easily and not heal.

Signup and view all the flashcards

Squamous Cell Carcinoma

A type of skin cancer linked to sun exposure, smoking, and alcohol use, more common in men.

Signup and view all the flashcards

Pemphigoid

Rare autoimmune blistering diseases characterized by auto-antibodies against hemidesmosomes.

Signup and view all the flashcards

Perioral Dermatitis

An inflammatory skin condition around the mouth, often caused by topical steroids or heavy face creams.

Signup and view all the flashcards

Lichen Planus

An immunologically mediated disease affecting skin and mucous membranes, characterized by white, striated rings.

Signup and view all the flashcards

Psoriasis

A common immunological skin condition causing scaly, silvery plaques, often on elbows, knees, and scalp.

Signup and view all the flashcards

Lupus Erythematosus (LE)

An autoimmune disease that can affect the skin, causing a butterfly-shaped rash on the face. Can cause scarring & hair loss.

Signup and view all the flashcards

Erythema Multiforme (EM)

A skin condition characterized by bullseye-like lesions that commonly affects the lips.

Signup and view all the flashcards

Vesiculobullous Diseases

A group of skin diseases characterized by blisters or bullae.

Signup and view all the flashcards

Dermatitis Herpetiformis

A skin condition strongly associated with celiac disease, causing an intensely itchy, blistering rash, often on the knees and elbows.

Signup and view all the flashcards

Atopic Dermatitis (Eczema)

A chronic skin condition that is part of the atopic triad (eczema, asthma, hay fever) characterized by itchy inflamed skin.

Signup and view all the flashcards

Positive pathergy test

Overresponse to a sterile needle prick into the dermis, indicating heightened sensitivity.

Signup and view all the flashcards

RAS Management

Recurrent Aphthous Stomatitis can often be managed by general dental practitioners

Signup and view all the flashcards

Lichen Planus (LP)

A chronic inflammatory, immune-mediated disease affecting mucous membranes, skin, and nails; a Type 4 hypersensitivity reaction.

Signup and view all the flashcards

Wickham's Striae

White, lace-like patterns often found in the oral cavity with Lichen Planus.

Signup and view all the flashcards

Koebner Phenomenon

The appearance of skin lesions following trauma or injury.

Signup and view all the flashcards

Immunosuppressants for LP

Topical or systemic agents to suppress the overactive immune response associated with Lichen Planus.

Signup and view all the flashcards

Lichenoid Reactions

Reactions that appear histologically identical to Lichen Planus but have a known antigenic cause.

Signup and view all the flashcards

Causes of Lichenoid Reactions

Dental materials or systemic drugs that can trigger lichenoid reactions.

Signup and view all the flashcards

Folliculitis Symptoms

Infection of hair follicles causing bumps/pimples, pus-filled blisters, itching, pain/burning.

Signup and view all the flashcards

Acne Symptoms

Spots, oily skin, hot skin, and sometimes pain.

Signup and view all the flashcards

Acne Triggers

Hormones, genetics, and medications like systemic steroids.

Signup and view all the flashcards

Rosacea Triggers

Alcohol, spicy foods, hot drinks, sunlight, temperatures, exercise, and stress.

Signup and view all the flashcards

Types of Acne Spots

Blackheads, whiteheads, papules, pustules, nodules, and cysts.

Signup and view all the flashcards

Cyst

Elevated papule containing fluid or semi-solid material.

Signup and view all the flashcards

Erosion

Partial destruction of the epidermis.

Signup and view all the flashcards

Atrophy

Reduction in epidermal or dermal thickness.

Signup and view all the flashcards

Crusting

Dried exudate (plasma, blood, or pus) on the skin surface.

Signup and view all the flashcards

Dermoscope

Magnifying glass to view skin lesion depths.

Signup and view all the flashcards

Immune-Mediated Conditions

Conditions where the body's immune system attacks the skin.

Signup and view all the flashcards

Anaphylaxis

A potentially severe allergic reaction that can be life-threatening, hence alarming.

Signup and view all the flashcards

Heat Rash

Common skin condition, especially in warm climates, where skin folds cause mild raised rashes.

Signup and view all the flashcards

Seborrheic Keratosis

Most common benign skin neoplasm, increasing in frequency with age, often found on the head, neck, and scalp.

Signup and view all the flashcards

Skin Tags (Acrochordons)

Skin growths commonly caused by friction, age, or genetics.

Signup and view all the flashcards

Warts

Benign skin growths, sometimes viral, that can be difficult to treat in children.

Signup and view all the flashcards

Cherry Angioma

Common, harmless, red bumps often found on the trunk, with genetics playing a role.

Signup and view all the flashcards

Ephelis

A freckle on sun-exposed skin because of increased melanin deposition.

Signup and view all the flashcards

Lentigo Solar

Pigmented lesions due to UV radiation and age that show on the skin and face.

Signup and view all the flashcards

Desquamative Gingivitis

Inflammation of the gums causing peeling. Can be a sign of Mucous Membrane Pemphigoid (MMP).

Signup and view all the flashcards

Nikolsky Sign

A diagnostic sign where rubbing the mucosa causes blistering.

Signup and view all the flashcards

Direct Immunofluorescence

Biopsy examined with fluorescent antibodies to detect specific antibody binding.

Signup and view all the flashcards

Pemphigus Vulgaris

A chronic autoimmune disease with intra-epithelial blisters due to antibodies against desmosomes.

Signup and view all the flashcards

Pemphigus Vulgaris

A chronic rare autoimmune disease that affects the skin and the mucosa.

Signup and view all the flashcards

Acantholysis

Separation of epithelial cells; a key feature in Pemphigus Vulgaris.

Signup and view all the flashcards

Behcet's Disease

Systemic vasculitis of small blood vessels; triad of oral, genital ulcers, uveitis.

Signup and view all the flashcards

Recurrent Oral Ulceration - Behcet's

Recurrent oral aphthous stomatitis.

Signup and view all the flashcards

Genital Ulceration - Behcet's

Ulceration of genital region.

Signup and view all the flashcards

Uveitis - Behcet's

Inflammation of the uvea (middle layer of the eye).

Signup and view all the flashcards

Pathergy Test

An inflammatory test that is triggered by trauma

Signup and view all the flashcards

Good OHI

Good oral hygiene practices for managing oral conditions

Signup and view all the flashcards

Lichen Planus Histology

Typically hyperkeratotic, disruption of the basement membrane, band-like accumulation of T-Cells, 'Saw-tooth' rete-ridges, T-cell invasion into epithelium

Signup and view all the flashcards

Difflam Spray

Sprays that provide temporary pain relief for oral lesions

Signup and view all the flashcards

Bethmethasone Mouthwash

A common topical corticosteroid mouthwash used to manage inflammation

Signup and view all the flashcards

Lichenoid Reaction Treatment

These reactions require identifying and removing the cause

Signup and view all the flashcards

Lichenoid Reaction Materials

Gold, amalgam, bigGMA, methylmethacrylates

Signup and view all the flashcards

Lichenoid Reaction Drugs

Metformin, tetracycline, beta-blockers, dapsone, NSAIDs, metronidazole, lithium, antimalarials

Signup and view all the flashcards

Insect Bites/Stings

Skin reactions resulting from bites or stings from insects

Signup and view all the flashcards

Contact Dermatitis Causes

Inflammation caused by contact with irritants or allergens like chemicals or natural substances.

Signup and view all the flashcards

Insect Bites Symptoms

Skin reactions due to bites or stings from insects like mosquitos, ticks or bees.

Signup and view all the flashcards

Seborrheic Dermatitis Cause

A common skin condition caused by the Malassezia yeast, affecting areas like the scalp, face, ears, torso, and skin folds.

Signup and view all the flashcards

Impetigo Symptoms

Skin infection commonly seen in children, caused by Staph aureus or Strep pyogenes, leading to lesions and crusts.

Signup and view all the flashcards

Shingles Symptoms

Reactivation of the Varicella-Zoster virus, causing a painful, blistering rash restricted to one side of the body.

Signup and view all the flashcards

More Like This

Dermatology Chapter 7 Flashcards
29 questions
Dermatology Vocabulary Quiz
17 questions
Dermatology Tech Certification Flashcards
33 questions
Drug Classifications in Dermatology
32 questions
Use Quizgecko on...
Browser
Browser