GI pathology Flashcards
Most common cause of RLQ pain
appendicitis
50 year old female presents with pruritis, lab reveals positive AMA
primary biliary cirrhosis
Most common cause of LLQ pain
diverticulitis
Gluten sensitivity
celiac sprue
Patient with GI bleeding has buccal pigmentation
Peutz-Jahgers syndrome
60 year old female with rheumatoid arthritis and no alcohol history presents with fatigue and right abdominal pain, lab studies reveal high levels of ANA and anti-smooth muscle, elevated serum IgG, and no viral serologic markers
auto-immune hepatitis
Colonoscopy reveals very friable mucosa extending from the rectum to the distal transverse colon
ulcerative colitis
A small intestinal mucosa laden with distended macrophages in the lamina propria (filled with PAS+ granules and rod-shaped bacilli seen by electron microscopy)
Whipple’s disease
Most common cause of RUQ pain
cholecystitis
Liver biopsy on 23 year-old female with elevated LKM-1 antibodies, no alcohol history, and no viral serotologic markers reveals infiltration of the portal and periportal area with lymphocytes
auto-immune hepatitis
Diarrhea, fever, and abdominal cramps following a course of antibiotics
pseudomembranous colitis
Fatal disease of unconjugated bilirubin resulting from a complete lack of UDPGT activity
Crigler-Najjar type 1
Elevated levels of serum ferritin and increased transferrin saturation
hemachromatosis
Radiography reveals a “string-sign” in the terminal ileum
Crohn’s disease
total or subtotal atrophy of the small bowel villi, plasma cells, and lymphocyte infiltration into the lamina propria and epithelium, and hyperplasia/elongation of crypts
celiac sprue
