Gastrointestianl Pathology Flashcards
What type of cell is cancer of the mouth
Squamous cell Carcinoma
Risk factor for mouth and Tongue cancer
Betel nuts, Tobacco, Alcohol, and HPV
How does Barrett’s esophagus happen
Splashing of acid upward and you get metaplasia of mucus producing cells
how does Mallory - Weiss tears happen
Constant retching and causes tears usually in chronic alcoholism
What is this and what is the blue strips
Esophageal varrices and the blue is veins from portal hypertension and cirrhosis. If they rupture you die
What is the highlighted areas
Blue - normal squamous mucosa of esophagus
Yellow - intestinal metaplasia
What is an adenocarcinoma and what is it call in the Esphagous
Barretts and most common esophageal cancer most common in America
Esophageal cancer in most of the world is what type
Squamous cell carcinoma middle third of the esophageal, dysplasia to neoplasia skips metaplasia
What is H. Pylori and what is the risk
Chronic Gastritis and 10% chance to get metaplasia
Where are peptic ulcers found
More common in duodenal and sometimes in the stomach
Peptic ulcer risk factors
NSAID, aspirin, smoke and alcohol
what is this
Ulcer in the duodenum
What is this
Peptic ulcer with Fibrinous exudate
What rank is stomach cancer
2nd for ca deaths world wide
What is this
Cancer of the stomach and its ugly looking
What is happening here?
Leather bottle stomach - Gastric adenocarcinoma of the stomach wall with goblet cells
4 mechanism for diarrhea
Greek for flowing through
1. Secretory
2. Osmotic
3. Exudative
4. Malabsorptive
What is and the cause if secretory diarrhea
Vibrio - watery
What is it and the cause of osmotic diarrhea?
Lactase deficiency - shit solutes
what is and causes exudate diarrhea?
Virus/bacteria/IBD - bloody stools
What is and cause Malabsorptive diarrhea?
Celiac disease and you poo nutrients
What is this?
Pseudomembramous Colitis (C. Diff) - by antibiotics
What is this and the pink on the right?
Caused by C. DIFF and the pink is fibrin and dots is neutrophils - fibrinous exudate
What is this and what is highlighted
Amebic Colitis cause by a protozoan - common in Mexico, Colombia and India
Highlighted is ulcer and inflammatory cells
What is this?
Amebic colitis and the circles are ameba that stain purple
What does flask sharp ulceration tell you
Ameba
What is characteristic of Volcanic eruption of fibrinous exudate
Psudomebrame colitis