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196 Cards in this Set
- Front
- Back
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Congenital pyloric stenosis (palpable olive shaped mass seen here) |
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Meckels diverticulum |
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Hirschsprung disease (rectal biopsy) |
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Achalasia (classic "Birds beak" on barium swallow) |
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GERD; picture 1 is esophageal mucosa lined by stratified sq with little eosinophils. Picture 2: basal cell hyperplasia w/ incr eosinophil count (sign of GERD) |
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Barretts esophagus (normal pale esophageal mucosa gets replaced with erythematous mucosa) |
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Barretts esophagus (goblet cell metaplasia; represents normal stratified squamous epithelium) |
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Viral esophagitis (multinucleate squamous cells containing herpes virus nuclear inclusions) |
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Viral esophagitis (CMV infected endothelial cells w/ nuclear and cytoplasmic inclusions) |
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Squamous cell carcinoma (moderatelyto well differentiated) |
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Squamous cell carcinoma (polypoid/flat/ excavated) |
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Adenocarcinoma (picture shows malignant glands) |
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Barretts esophagus (picture shows mucinproducing tumors- signet ring cells) |
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Acute gastritis (first arrow bleeding, perforation and obstruction, second arrow shows mucosal disruption, hemorrhage) |
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Chronic gastritis (picture shows chronic infl in lamina propria) |
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Chronic gastritis (picture shows lymphoid follicles) |
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Chronic gastritis (picture shows intestinal metaplasia) |
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Chronic atrophic gastritis (picture shows mucosal glandular atrophy) |
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Chronic atrophic gastritis (picture shows intestinal metaplasia) |
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Duodenal peptic ulcer (picture shows solitary ulcers, sharply demarcated round/oval, over hanging margins) |
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Ménétrier disease (arrow shows foveolar hyperplasia withelongatedand focally dilated glands) |
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Ménétrier disease (arrow shows irregular enlargement of the gastric rugae) |
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Gastric carcinoma (arrow shows heaped up margin,necrotic base) |
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Gastric carcinoma (picture Linitis plastica, a rigid thickened stomach wall) |
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Gastric carcinoma (arrow shows signet ring cells with mucin) |
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Viral esophagitis (picture shows herpetic ulcers) |
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Gastric lymphoma |
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Gastric lymphoma |
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Gastric lymphoma |
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Gastrointestinal stromal tumors |
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Gastrointestinal stromal tumors (picture shows spindle shaped cellsin the fassicles) |
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Carcinoid tumor |
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Carcinoid tumor |
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Carcinoid tumor |
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Carcinoid tumor |
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Brunners gland (in the duodenum) |
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Paneth cells |
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Volvulus |
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Intussusception |
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Incarceratedhernia |
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Incarceratedhernia |
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Intestinal adhesion (picture shows fibrous bridges b/w viscera) |
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Malabsorption syndrome; celiac sprue (loss of villi-villous atrophy, incr intra epithelial lymphocytes, crypthyperplasia) |
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Whipples disease (picture shows PAS+ organisms inside macros in lamina propria) |
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Pseudomembrane enterocolitis |
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Pseudomembrane enterocolitis (pictures shows superficial colonic necrosis; pseudomembrane w/ neutros, mucin, fibrin, necrotic debris) |
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Colonic diverticulosis |
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Crowns disease (picture shows focal apthous ulcers, linear fissures, cobble stone, thick bowel wall, creeping fat) |
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Crohns disease (picture shows small intestinal stricture) |
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Crohns disease (picture shows linear mucosal ulcers, imparting a cobblestone appearance and thickened wall) |
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Crohns disease (picture shows perforation and associated serositis) |
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Crohns disease (picture shows creeping fat) |
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Ulcerative colitis (picture shows pancolitis; red granular mucosa in the cecum/left and smooth atropic mucosa distally/right) |
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Ulcerative colitis (picture shows sharp demarcation b/w active ulcerative colitis on right and normal mucosa on left) |
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Ulcerative colitis (picture shows infl polyps) |
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Ulcerative colitis (picture shows mucosal bridges) |
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Crohns disease (picture shows crypt abscess- neutros in crypts) |
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Crohns disease (picture shows crypt abscess- neutros in crypts) |
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Ulcerative colitis (picture shows crypt abscess, limited to mucosa and submucosa, dysplasia) |
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Crohns disease (picture shows string sign, fistula) |
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Ulcerative colitis (picture shows lead pipe appearance) |
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Ulcerative colitis |
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Non neoplastic polyp; hyperplastic polyp (picture shows sawtooth appearance) |
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Juvenile (retention) polyp |
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Familialadenomatouspolyposis: |
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Colon cancer |
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Colon cancer (picture shows malignant gland formation with mucinassociation in mucosa and submucosa) |
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Colon cancer |
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Carcinoid tumor; neuroendocrine tumor (picture shows monotonous cells with delicateintervening stroma) |
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Acute appendicitis |
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Tubular adenoma |
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Tubular adenoma |
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Villous adenoma |
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Villous adenom |
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Vascular sinusoids |
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Steatosis |
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Chronic hepatitis (arrow shows apoptotic hepatocytes/acidophil bodies) |
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Liver failure (picture shows necrosis; bile stained soft and congested liver) |
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Liver cirrhosis |
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Alcoholic cirrhosis (arrows show thick bands of collagen separating rounded cirrhotic nodules) |
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Alcoholic cirrhosis (after one year of abstinence, most scars are gone) |
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Ascites |
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Portal HTN (arrow shows to caput medusa) |
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Portal HTN (arrow shows spire angiomas) |
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Autoimmune hepatitis (arrow shows predominance of plasma cells) |
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Alcoholic hepatitis (arrow shows cluster of infl cells around necrotic hepatocyte) |
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Alcoholic hepatitis (arrow shows eosinophilic Mallory Denk bodies) |
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Alcoholic cirrhosis (picture shows diffuse surface nodularity) |
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Alcoholic cirrhosis (arrows show nodules entrapped in blue-staining fibrous tissue) |
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Non-alcoholicsteatohepatitis (orange arrow shows perisinusoidal fibrosis, blue arrow shows perivenular fibrosis) |
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Hemochromatosis (arrows show hepatocellular iron deposition) |
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Wilsons disease; Kayser Fletcher rings (arrows show greento brown deposition of Cu in Descemet’s memb) |
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Alpha 1 anti trypsin deficiency (arrow shows cytoplasmicglobular inclusions inhepatocytes) |
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Cholestasis (arrow shows bile pigment in cytoplasm) |
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Cholestasis (arrow shows bile plug showing expansion ofbile canaliculus) |
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Primary biliary cirrhosis |
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Primary biliary cirrhosis (arrow shows florid duct lesion) |
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Primary sclerosing cholangitis (arrow shows concentric periductal fibrosis, an onion skin appearance surrounding a degenerating bile duct) |
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Primary sclerosing cholangitis (picture shows "beaded appearance" of bile ducts) |
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Von Meyenburg complexes (green arrow shows smallclusters of dilated irregularly shaped bile ducts /cysts, blue arrow shows it within a fibrous stroma) |
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Budd- Chiari syndrome (arrow shows thrombosisof hepatic veinscausing hemorrhagic liver necrosis) |
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Nodular hyperplasia (arrow shows a central gray-white, depressed stellatescar) |
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Nodularregenerative hyperplasia (arrow shows diffusenodulartransformation w/o fibrosis) |
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Liver hemangioma (arrow shows discrete red-blue soft, subcapsularnodules) |
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Hepatocellular adenoma (arrow shows the hepatic adenoma) |
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Hepatocellular adenoma (arrow shows the hepatic adenoma) |
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Hepatocellularcarcinoma (arrow shows unifocal, massive neoplasm in a non cirrhoticliver) |
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Fibrolamellar carcinoma |
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Cholangiocarcinoma (arrows show multifocal sites) |
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Metastatic tumors to liver (arrow shows multiple, nodular metastases) |
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Acute viral hepatitis (arrow shows ‘Councilman’/ acidophil bodies from cytolysis/apoptosis) |
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Viral hepatitis B (arrows show ground-glass hepatocytes) |
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Viral hepatitis C (arrow shows portaltract expansion by a lymphoid follicle) |
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Gallbladder (picture shows folded mucosal folds, simple columnar epithelium, and smooth muscle layer) |
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Folded fundus of gallbladder (arrow shows "phrygian cap") |
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Cholesterol stones (blue arrow shows stones, green arrow shows thickened and fibrotic wall of gallbladder) |
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Pigmented gallstones (arrow shows "black" stones) |
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Chronic cholecystitis (arrow shows stones present in the lumen) |
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Chronic cholecystitis (arrow shows infl cells) |
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Chronic cholecystitis (arrow shows Rokitansky-Aschoff sinus containing bile) |
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Chronic cholecystitis (arrow shows extensive dystrophic calcification, leading to porcelain gallbladder) |
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Carcinoma of the gallbladder (arrow shows large exophytic tumor filling the lumen) |
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Acute interstitial pancreatitis (black arrow shows parenchymal necrosis, orange arrow shows fat necrosis) |
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Acute necrotizing pancreatitis (blue arrow shows hemorrhagic area, red arrow shows yellowwhite chalky fat necrosis) |
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Autoimmune pancreatitis (arrow shows infiltrate,fibrosis w/ acinar loss) |
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Autoimmune pancreatitis (arrow shows dilatedducts with inspissatedeosinophilic ductal concretions in pt w/ alcoholic chronic pancreatitis) |
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Pseudocysts (arrow points to one on the pancreas) |
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Pseudocysts (arrow shows cyst wall made up of granulation tissue) |
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Serous cystadenoma |
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Serous cystadenoma |
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Mucinous cystadenoma |
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Mucinous cystadenoma (arrow shows ovary like dense stroma) |
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Intraductal papillary mucinousneoplasm |
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Intraductal papillary mucinousneoplasm |
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Malignant pancreatic cancer (arrow shows hard,stellate, graywhite, poorly defined masses) |
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Malignant pancreatic cancer (arrow shows desmoplastic rxn) |
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Alcoholic cirrhosis (represents chronic liver failure. Masson-Trichrome blue stain used for collagen; abundant fibrosis) |
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Ant pituitary |
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Pituitary adenoma (lactotroph) |
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Pituitary adenoma (lactotroph) |
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Craniopharyngioma |
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Craniopharyngioma |
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Craniopharyngioma (palisadingsquamous epithelium w/ lamellar keratin and dystrophic calcification) |
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Craniopharyngioma (palisadingsquamous epithelium with lamellar keratin and dystrophic calcification) |
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Thyroid gland |
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Thyroid gland |
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Graves disease (thyroid gland showing beefyred parenchyma) |
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Graves disease (thick arrows show diffusepapillary hyperplasia, thin arrow shows colloid/scalloped borders; pale, scanty) |
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Graves disease (top arrow shows tall columnar cells with papillary folds, bottom arrow shows colloid scalloped borders; pale, scanty) |
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Diffuse non toxic goiter |
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Multinodular goiter |
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Multinodular goiter (arrow shows enlarged thyroid follicles filled w/ colloid) |
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Hashimotos thyroiditis (tan yellow color w/ fibrosis) |
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Hashimotos thyroiditis (arrow shows lymphocytic infiltration w/ germinal centers) |
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Granulomatous thyroiditis (blue arrow shows giant cells, small arrow shows lymphocytes) |
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Follicular adenoma |
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Follicular adenoma |
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Follicular carcinoma |
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Follicular carcinoma (arrows show capsular invasion) |
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Follicular carcinoma (picture shows uniformcellsforming small follicles containing inspissatedcolloid) |
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Papillary carcinoma of thyroid (contains papillary excrescences) |
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Papillary carcinoma of thyroid (picture shows grossly visible papillary structures) |
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Papillary carcinoma of thyroid (picture shows papillary structure) |
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Papillary carcinoma of thyroid (picture shows clear 'orphan annie' eye nuclei) |
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Papillary carcinoma of thyroid (picture shows nuclear inclusions and nuclear grooves) |
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Papillary carcinoma of thyroid (picture shows nuclear inclusions) |
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Papillary carcinoma of thyroid (picture shows orphan annie nuclei) |
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Papillary carcinoma of thyroid (picture shows psammoma body) |
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Medullary carcinoma of thyroid |
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Medullary carcinoma of thyroid (picture shows spindle-shapedcellsor plasmacytoidcells innests, trabeculae with Acellular amyloid deposits) |
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Parathyroid gland (picture shows chief cells and oxyphill cells) |
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Parathyroid gland (picture shows oxyphill cells) |
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Primary hyperparathyroidism |
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Pancreas |
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Pancreas |
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Type I DM (picture shows leukocytic infiltrates) |
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Type II DM (picture shows amyloid deposition w/i islets) |
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DM |
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Insulinoma (picture shows giant islets and amyloid deposition) |
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Cushing syndrome (picture shows diffuse cortical hyperplasia of adrenals) |
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WATERHOUSE-FRIDERCHSEN SYNDROME (picture shows diffuse purpuric rash) |
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WATERHOUSE-FRIDERCHSEN SYNDROME |
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Adrenal adenoma |
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Adrenal adenoma |
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Adrenal carcinoma |
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Adrenal carcinoma |
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Pheochromocytoma |
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Pheochromocytoma (picture shows nestsof chromaffin cells "zellballen" w/ abundant cytoplasm) |
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Crohns disease (picture shows cobblestone appearance) |
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Crohns disease (picture shows non-caseating epithelioidgranuloma) |
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Crohns disease (picture shows cryptabscess) |
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Adenocarcinoma colon |
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Adenocarcinoma colon |
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Hepatic Steatosis /Fatty Liver. |
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Alcoholic hepatitis (arrow shows Mallorydenkbodies) |
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Acute cholecystitis |
