Salivary Gland Tumors and Esophageal Disorders
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Questions and Answers

What is the most common benign salivary gland tumor?

  • Mucoepidermoid carcinoma
  • Pleomorphic adenoma (correct)
  • Adenoid cystic carcinoma
  • Warthin tumor
  • Which condition is associated with painful swallowing in immunocompromised patients until proven otherwise?

  • Candidal esophagitis (correct)
  • Reflux esophagitis
  • Esophageal carcinoma
  • Gastroesophageal reflux disease
  • What is a primary characteristic of systemic sclerosis?

  • Increased LES sphincter tone
  • High peristaltic activity
  • Acute inflammatory response
  • Esophageal dysmotility (correct)
  • What defines a sliding hiatal hernia?

    <p>95% of all hiatal hernias</p> Signup and view all the answers

    What contrast agent is typically used in suspected esophageal perforation?

    <p>Gastrografin</p> Signup and view all the answers

    What is the most common malignant salivary gland tumor?

    <p>Mucoepidermoid carcinoma</p> Signup and view all the answers

    What is the characteristic feature of Warthin tumor?

    <p>Resembles lymphatic tissue</p> Signup and view all the answers

    Which condition is least likely to cause high-volume hematemesis?

    <p>Mallory-Weiss tear</p> Signup and view all the answers

    What can cause esophageal perforation?

    <p>Recent endoscopy</p> Signup and view all the answers

    What is the best diagnostic tool for hiatal hernia?

    <p>Upper endoscopy</p> Signup and view all the answers

    Which scenario describes a paraesophageal hiatal hernia?

    <p>Fundus protrudes above the level of T10</p> Signup and view all the answers

    Which of the following is primarily associated with systemic sclerosis?

    <p>Multi-organ fibrosis</p> Signup and view all the answers

    What is a potential risk of using inhaled corticosteroids in asthma patients?

    <p>Oral thrush</p> Signup and view all the answers

    What causes a Mallory-Weiss tear?

    <p>Excessive alcohol consumption</p> Signup and view all the answers

    Which symptom is indicative of esophageal dysmotility in CREST syndrome?

    <p>Difficulty swallowing</p> Signup and view all the answers

    In cases where a patient has aspiration risk, which contrast is preferred?

    <p>Barium</p> Signup and view all the answers

    Which condition is characterized by dysphagia to both solids and liquids from the onset?

    <p>Achalasia</p> Signup and view all the answers

    What is the typical presenting demographic for Zenker diverticulum?

    <p>Overweight males aged 40-50</p> Signup and view all the answers

    Which of the following mechanisms is NOT associated with Zenker diverticulum?

    <p>Increased esophageal motility</p> Signup and view all the answers

    What is the first step in diagnosing achalasia?

    <p>Barium swallow</p> Signup and view all the answers

    What type of diverticulum is Zenker diverticulum classified as?

    <p>False diverticulum containing only mucosa and submucosa</p> Signup and view all the answers

    What type of gastritis is associated with pernicious anemia and affects the fundus/body of the stomach?

    <p>Type A gastritis</p> Signup and view all the answers

    What effect do NSAIDs have on prostaglandin production and the gastric lining?

    <p>Decrease prostaglandin production, leading to gastric lining disruption</p> Signup and view all the answers

    What is the confirmatory test for achalasia after a barium swallow?

    <p>Esophageal manometry</p> Signup and view all the answers

    Which histological feature is characteristic of gastric cancer?

    <p>Signet-ring cells containing mucin</p> Signup and view all the answers

    Which treatment method involves balloon dilation for achalasia?

    <p>Pneumatic dilation</p> Signup and view all the answers

    In achalasia, what type of lesions can be a rare cause of the condition?

    <p>Chagas disease</p> Signup and view all the answers

    What gross appearance is associated with advanced gastric cancer?

    <p>Linitis plastica resembling a leather bottle</p> Signup and view all the answers

    Which condition is most commonly linked to the presence of signet-ring cells in bilateral ovarian lesions?

    <p>Gastric cancer metastases</p> Signup and view all the answers

    What is the significance of the Virchow node in relation to gastric cancer?

    <p>It can indicate visceral malignancy, especially gastric cancer</p> Signup and view all the answers

    What role do nitrosamines play in gastric cancer incidence in certain populations?

    <p>They are associated with an increased incidence of gastric cancer</p> Signup and view all the answers

    What distinguishes MALT lymphoma from gastric cancer histologically?

    <p>MALT lymphoma contains B cells and lacks signet-ring cells</p> Signup and view all the answers

    What is the first imaging study recommended for the diagnosis of choledocholithiasis?

    <p>Ultrasound</p> Signup and view all the answers

    What complication arises when a gallstone obstructs the hepatopancreatic ampulla?

    <p>Gallstone pancreatitis</p> Signup and view all the answers

    In a patient with obstructive jaundice, which of the following presentations would most likely indicate pancreatic cancer?

    <p>Heavy smoking and negative CT scan</p> Signup and view all the answers

    Which lab values would you expect to see elevated in gallstone pancreatitis?

    <p>High ALP, high direct bilirubin, and high lipase</p> Signup and view all the answers

    In the presence of obstructive jaundice, which option is the most definitive test to visualize the biliary tract?

    <p>ERCP</p> Signup and view all the answers

    Why is it important to differentiate cholangiocarcinoma from pancreatic cancer?

    <p>Each condition has a different prognosis</p> Signup and view all the answers

    What does intra-operative cholangiography assess during a cholecystectomy?

    <p>Bile duct patency</p> Signup and view all the answers

    What is the primary diagnosis method for spontaneous bacterial peritonitis (SBP)?

    <p>Abdominal paracentesis</p> Signup and view all the answers

    When faced with a case presenting obstructive jaundice and previous gallbladder removal, which is a critical consideration?

    <p>Possible choledocholithiasis due to retained stones</p> Signup and view all the answers

    In the case of SBP, what laboratory test should be performed first after paracentesis?

    <p>White cell count and differential</p> Signup and view all the answers

    Which symptom is NOT typically linked to spontaneous bacterial peritonitis?

    <p>Jaundice</p> Signup and view all the answers

    What is the minimum white blood cell count indicating a diagnosis of SBP?

    <blockquote> <p>250 WBCs/µL</p> </blockquote> Signup and view all the answers

    Which of the following is often confused with paracentesis?

    <p>Pericardiocentesis</p> Signup and view all the answers

    A patient with cirrhosis presents with ascites but without fever or abdominal pain. Which of the following is the most relevant next step in evaluation?

    <p>Immediate paracentesis</p> Signup and view all the answers

    What complication is primarily associated with the presence of major risk factors for ascites in cirrhosis patients?

    <p>Spontaneous bacterial peritonitis</p> Signup and view all the answers

    What is the correct sequence of the next steps following abdominal paracentesis in SBP diagnosis?

    <p>White cell count, then gram stain and culture</p> Signup and view all the answers

    Study Notes

    Medical Organization

    • Mehlman Medical Hy Gastro
    • Website: mehlmanmedical.com

    Social Media

    • YouTube: @mehlmanmedical
    • Instagram: @mehlman_medical

    Medical Conditions

    • Peutz-Jeghers syndrome: Combination of perioral melanosis (hyperpigmentation around the lips) and hamartomatous colonic polyps. USMLE frequently shows lip images. Key to identifying the polyps is hamartomatous.
    • Osler-Weber-Rendu syndrome: Hereditary hemorrhagic telangiectasia (autosomal dominant). NBME questions often include images of the mouth or fingernail showing telangiectasias. Patients may experience nosebleeds and GI bleeding, potentially leading to anemia.
    • Plummer-Vinson syndrome: Triad of iron deficiency anemia, esophageal webs (dysphagia), and angular cheilitis (cracked corners of the mouth). Patients might also exhibit pica (eating non-nutritive substances) or koilonychia (spoon-shaped nails).
    • Lip psoriasis: Possible USMLE mention on the upper lip or forehead; often misidentified.
    • Aphthous ulcer: Painful, self-resolving sores on the inner lining of the mouth (labial mucosa).
    • Kawasaki disease: Vasculitis characterized by fever, injected eyes, and/or lips/tongue, cervical lymphadenopathy, and edema of the hands/feet, along with desquamation of palms/soles. USMLE questions usually don't include coronary artery aneurysms.
    • Perioral impetigo: Superficial skin infection around the mouth, frequently appearing as pustules (often confused with herpes).
    • Herpes labialis: Oral herpes; commonly indicated by fever and regional lymphadenopathy. Recurring infections are less severe. Key is "DNA, enveloped, linear."
    • Scarlet fever: Characterized by a strawberry tongue and a fine maculopapular body rash.
    • Hand-foot-mouth: Benign infection presenting with sores in the mouth, as well as the hands and feet. Caused by Coxsackie A virus.
    • Herpangina: Caused by Coxsackievirus; causes oral ulcers.
    • Koplik spots (measles): White-to-blue spots in the oral mucosa.
    • Sialolithiasisis: Stones in the salivary glands (most often parotid).
    • Leukoplakia: White and painless lesions on the oral mucosa.
    • Oral hairy leukoplakia: Benign condition appearing as white plaques that may cause bleeding. Directly related to infection by the Epstein-Barr virus.
    • Oropharyngeal candidiasis: Seen in immunocompromised patients. Common cause of odynophagia (difficult swallowing).
    • Pleomorphic adenoma: Most common benign salivary gland tumor; presence of variable cell types.
    • Mucoepidermoid carcinoma: A common type of malignant salivary gland tumor.
    • Warthin tumor: Benign salivary gland tumor in which lymphoid stroma is prominent.
    • Hiatal hernia: Herniation of the upper stomach through the diaphragm.
    • Gastroesophageal reflux disease (GERD): Irritation of esophageal mucosa from gastric acid.
    • Barrett esophagus: Metaplasia of the esophageal mucosa, characterized by the presence of intestinal columnar epithelium. It is a risk factor for esophageal cancer.
    • Adenocarcinoma: Malignant tumor of the glands.
    • Squamous cell carcinoma: Malignant tumor of squamous cells.
    • Zenker diverticulum: An outpouching of the esophagus above the esophageal sphincter.
    • Achalasia: Inability of the lower esophageal sphincter (LES) to relax correctly.
    • Systemic sclerosis (scleroderma): Autoimmune disease characterized by fibrosis of many organs .
    • Esophageal perforation: Hole in the esophagus that is usually caused by trauma, endoscopic procedures, or straining.
    • Mallory-Weiss tear: Tear in the esophageal mucosa due to vomiting or straining usually present in alcoholics.
    • Esophageal varices: Enlarged and tortuous superficial esophageal veins due to portal hypertension.
    • Diffuse esophageal spasm (DES): Spasms of the esophagus that create chest pains mimicking angina.
    • Eosinophilic esophagitis (EoE): Allergic condition of the esophagus (can be identified by the presence of eosinophils in the esophageal tissue).
    • Cholelithiasis: Gallstones.
    • Cholecystitis: Inflammation of the gallbladder (often due to gallstones).
    • Choledocholithiasis: Gallstones in the common bile duct.
    • Gallstone pancreatitis: Gallstones in the common bile duct block the hepatopancreatic ampulla, leading to the backflow of pancreatic enzymes causing pancreatitis.
    • Cholangitis: Infection of the bile ducts.
    • Acute pancreatitis: Inflammation of the pancreas.

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    Description

    This quiz covers important aspects of salivary gland tumors, including benign and malignant types, as well as common esophageal disorders. It addresses diagnostic tools, symptoms, and associated risks in various conditions. Test your knowledge on these critical clinical topics!

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