Pathology Flashcards
Facial pain or paralysis with a salivary gland tumor usually indicates what?
Malignant involvement of CN VII
Which salivary gland is most commonly affected by benign tumors?
Parotid gland
Malignant tumors of salivary glands are most commonly found in what size glands?
Small glands
Typical presentation of salivary gland tumors
Painless mass or swelling
Most common salivary gland tumor
Pleomorphic adenoma
Where are pleomorphic adenoma tumors most commonly located?
At angle of jaw
What happens if pleomorphic adenoma tumor is not completely excised or ruptures?
Recurs
A benign mixed tumor composed of chondromyxoid stroma and epithelium
Pleomorphic adenoma
Most common malignant salivary gland tumor
Mucoepidermoid carcinoma
Malignant salivary tumor that can present with facial nerve damage and has mucinous squamous components
Mucoepidermoid carcinoma
Benign cystic tumor with germinal centers and lymphoid tissue that is the 2nd most common tumor of salivary glands typically found in smokers
Warthin tumor
What population group is commonly affected by Warthin tumors?
Smokers
Esophageal manometry will have what type of LES pressures
Increased LES pressures
Infection in someone from South America that causes achalasia
T cruzi infection causing Chagas disease
What is the cause of achalasia
Destruction of Auerbach plexus causing esophageal dysmotility
Presents with “bird’s beak” on barium swallow and progressive dysphagia to solids and liquids
Achalasia
What is a complication of achalasia
Esophageal cancer
What neurons are affected in achalasia
Postganglionic inhibitory neurons
Loss of what regulatory substances can cause achalasia
NO and VIP
Transmural esophageal rupture, usually in the distal esophagus, with pneumomediastinum due to violent retching that is considered a surgical emergency
Boerhaave syndrome
Typical sign of Boerhaave syndrome
Crepitus in neck or chest region
Type of infiltrates seen in esophagus with esophageal rings and linear furrows on endoscopy caused by food allergens and common in atopic patients
Eosinophils
Esophageal pathology caused by food allergens leading to dysphagia and food impaction and unresponsive to GERD therapy
Eosinophilic esophagitis
Individual with caustic ingestion or acid reflux is at risk for what esophageal pathology
Esophageal strictures
Painless dilated submucosal veins that are 2ndary to portal HTN and commonly seen in cirrhotics which may cause life-threatening hemorrhage
Esophageal varices
Pill esophagitis is associated with what drugs?
PINT Bis: Potassium chloride Iron NSAIDs Tetracycline Bisphosphonates
Esophagitis caused by Candida infection will have what type of gross finding?
White pseudomembrane
Esophagitis caused by HSV-1 infection will have what type of gross finding?
Punched-out ulcers
Esophagitis caused by CMV infection will have what type of gross finding?
Linear ulcers
Esophagitis is commonly associated with what?
Reflux
Commonly presents with heartburn, regurgitation, dysphagia, cough or hoarseness
GERD
GERD is associated with what atopic condition?
Asthma
What is considered the cause of GERD
Transient decrease in LES tone
Partial thickness mucosal laceration at GE junction due to severe vomiting
Mallory-Weiss tear
Clinical presentation of Mallory-Weiss tear
Painful hematemesis in alcoholics or bulimics
Mallory-Weiss tear can lead to what more serious condition
Boerhaave syndrome
Mallory-Weiss tear is commonly misdiagnosed with what other condition
Ruptured esophageal varices
Presents with Dysphagia, Iron deficiency anemia, and Esophageal webs with associated glossitis and beefy red tongue
Plumber-Vinson syndrome
Classic triad of Plumber-Vinson syndrome
Dysphagia, Iron deficiency anemia, Esophageal webs
Plumbers DIE
Part of CREST syndrome caused by esophageal smooth muscle atrophy leading to decreased LES pressure and dysmotility and acid reflux
Sclerodermal esophageal dysmotility
Complication of sclerodermal esophageal dysmotility
Barret esophagus, Aspiration, Strictures (BAS)
CREST syndrome
Calcinosis, Raynaud’s, Esophageal dysmotility, Telangiectasias
Replacement of Nonkeratinized stratified squamous epithelium with intestinal epithelium in distal esophagus
Barret esophagus
Type of epithelium seen on pathology in Barret esophagus
Non-ciliated columnar intestinal epithelium with goblet cells
What is Barret esophagus associated with?
GERD
Complication of Barret esophagus
Esophageal adenocarcinoma
Typical presentation of esophageal cancer
Progressive dysphagia (first solids then liquids) and weight loss
Adenocarcinoma is seen in what part of the esophagus?
Lower 1/3
Risk factors for adenocarcinoma of the esophagus
GERD, Barrett esophagus, obesity, smoking, achalasia
Adenocarcinoma of the esophagus is more prevalent in what part of the world?
America (west)
Squamous cell carcinoma is seen in what part of the esophagus
Upper 2/3
Risk factors for squamous cell carcinoma of the esophagus
Alcohol, hot liquids, caustic strictures, smoking, achalasia
Plumber-Vinson syndrome is associated with what risk factor?
Alcohol
Type of intestinal metaplasia caused by GERD or irritation to lower esophagus
Barret esophagus
Lymph nodes that drain the lower 1/3 of the esophagus
Celiac and gastric nodes
Lymph nodes that drain the middle 1/3 of the esophagus
Mediastinal or tracheobronchial nodes
Lymph nodes that drain the upper 1/3 of the esophagus
Cervical lymph nodes
How do NSAIDs cause acute gastritis?
NSAIDs decrease PGE2 decreasing gastric mucosa protection
How doe burns cause acute gastritis?
Hypovolemia causes intestinal ischemia
Type of ulcers caused by burns in acute gastritis
Curling ulcers
How does brain injury cause acute gastritis?
Increased vagal stimulation increases ACh which increases acid production
Type of ulcers caused by brain injury in acute gastritis
Cushing ulcers
Complication of chronic gastritis
Gastric cancers
H pylori infection affects what part of the stomach
Affects antrum first then spreads to body
Complications seen in H pylori infection
Peptic ulcer disease and MALT lymphoma
Treatment for H pylori infection
PPIs, Clarithromycin, Amoxicillin or Metronidazole
Most common cause of chronic gastritis
H pylori infection
Autoantibodies to parietal cells and intrinsic factor with increased risk of pernicious anemia is seen in what type of chronic gastritis
Autoimmune gastritis
What causes pernicious anemia in autoimmune gastritis
Parietal cells destroyed, cannot make intrinsic factor, vitamin B12 cannot be absorbed
What type of lymphocytes are involved in autoimmune gastritis?
T-cell mediated damage (type IV)