-
melena
- black tarry stool from bleeding in UGI
- **req at least 60 ml and 10-14 hours**
-
gross section turns yellow after formalin fixation
- intestinal carcinoid
- SI>LI
-
flushing face, HTN, diarrhea
think carcinoid (NE tumor) secreting high levels of hormones like 5-HT
-
gallons of mucin in the peritoneal cavity (pseudomyxoma peritonei), with epithelial cells in the mucin
appendiceal mucinous cystadenocarcinoma
-
UR abdominal pain
- biliary tract disease
- perforated peptic ulcer
-
UL abdominal pain
gastric and splenic disorders
-
LR abdominal pain
appendicitis, chrons disease, meckels diverticulum
-
LL abdominal pain
diverticular disease
-
most common place for anal fissures
posterior midline
-
life threatening colorectal bleeding dx
mesenteric angiography
-
"apple core" appearance on barium enema
colon cancer
-
mild increase in liver ez (low hundreds)
- chronic viral hep
- acute alcoholic hep
-
moderate increase in liver ez (high hundreds to thousands)
acute viral hep
-
severe increase in hepatic ez (>10,000)
- hepatic necrosis
- (ischemia/trauma/APAP)
-
indicates high infectivity of HBV
HBeAg- present for 6 wks to 3 months
-
hepatitis with steatosis and lymphoid aggregates
HCV
-
ground glass hepatocyte
HBV
-
non smoker with emphysema and liver disease
A1AT deficiency
-
PAS+ globules on liver biopsy
A1AT deficiency
-
anti mitochondrial Ig
primary biliary cirrhosis
-
florid duct infiltrate
primary biliary cirrhosis
-
central scar on liver mass
focal nodular hyperplasia- benign
-
atypical hepatocytes in trabecular or pseudoglandular pattern
hepatocellular carcinoma
-
large eosinophilic hepatocytes with in bands of collagen
fibrolamellar viarient of HCC
-
anastamosing vascular pattern
hepatic angiosarcoma
-
exposure to vinyl chloride, arsenic and thorotrast
hepatic angiosarcoma
-
MCC cirrhosis in US
HCV, also the MCC of chronic viral hepatitis
-
balooning degeneration in hepatocytes
acute hepatitis
-
periumbilical darkening on a neonate with poor feeding and bilious vomitting
necrotizing enterocolitis
-
gas shadow within the wall of the intestine (pneumotosis intestinalis)
necrotizing enterocolitis
-
colicky abdominal pain followed by vomitting
consider intussuseption
-
episodes of screaming and drawing the legs up
intussuseption
-
scalloping of intestinal mucosal folds
celiac dz
-
prolamin
the protein which produces the allergy in celiac dz (present in gliadins and glutens
-
starry sky macrophages
Burkitts lymphoma
-
tx of burkitts lymphoma
high dose cyclophosphamide
-
meconium ileus
comlication of CF, a large obstruction in bowel, treated by hyperosmolar gastrografin enema
-
freely anastamosing vascular pattern
angiosarcoma of the liver
-
ballooning degeneration (swollen hepatocytes)
acute viral hepatitis
-
bloody diarrhea with parasite infection
Entamoeba histolytica
-
concentric onion skin fibrosis on liver biopsy
primary sclerosing cholangitis
-
segmental beaded appearance of ducts on imaging
primary sclerosing cholangitis
-
tumor with mucnous columnar epithelium with ovarian stroma and no connection to major pancreatic ducts
- mucinous cystic tumor of the pancreas
- may harbor mucinous cystadenocarcinoma (requires resection)
-
precursor lesion to pancreatic adenocarcinoma
intraductal papillary neoplasm
-
irregular bile ducts
bile duct hamartoma
-
central scar
focal nodular hyperplasia of liver
-
MC benign liver tumor
hepatic hemangiomal (cavernous angioma)
-
liver tumor associated with OC use
hepatic adenoma- may regress on cessation of OC
-
encapsulated mass that is a different color from the rest of the liver
hepatic adenoma
-
large eosinophilic hepatocytes within bands of collagen
fibrolamellar variant of HCC
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