DZI20-140

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Request type Study

Subspecialty Gastrointestinal

Set Frozens Study Set 2020

Topic GI

Presenter NS495 (user needs to log in to Learn Pathology)

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Toggle columns: Diagnosis

Case	Clinical history	Requester	Diagnosis
Case	Clinical history	Requester	Diagnosis
Case 1	69 yo M undergoing a Whipple resection for a 4.5 cm multiloculated cystic pancreatic mass	null	Benign cystic tumor consistent with serous cystadenoma (permanent dx: multiloculated serous cystadenoma)
Case 2	69 yo M with a pancreatic mass also noted to have a 0.5 cm liver nodule	null	Neuroendocrine neoplasm (permanent dx: well-differentiated neuroendocrine tumor)
Case 3	63 yo F with ampullary lesion	null	Adenomyomatous changes; there is no evidence of malignancy
Case 4	57 yo M undergoing Whipple for pancreatic ductal adenocarcinoma noted to have a liver lesion	null	Bile duct hamartoma
Case 5	89 yo M with gallbladder mass	null	Adenoma with high grade dysplasia.
Case 6	62 yo F with hepatic cyst	null	Simple hepatic cyst
Case 7	46 yo M with 1.5 cm gallbladder polyp	null	Adenocarcinoma with focal superficial invasion of the lamina propria
Case 8	72 yo M with bile duct carcinoma noted to have a peritoneal nodule	null	Fat necrosis; there is no evidence of malignancy
Case 9	88 yo F with 4.0 cm pancreatic mass	null	Neuroendocrine tumor (permanent dx: well-differentiated neuroendocrine tumor)
Case 10	76 yo M with pancreatic head mass; common bile duct margin	null	Adenocarcinoma with perineural invasion
Case 11	83 yo F undergoing Whipple for pancreatic ductal adenocarcinoma noted to have a liver lesion	null	Adenocarcinoma (permanent dx: poorly differentiated metastatic adenocarcinoma consistent with pancreatic primary)
Case 12	59 yo F undergoing cystectomy for bladder cancer noted to have a nodule on the small bowel	null	Endometriosis
Case 13	72 yo M undergoing Whipple for pancreatic ductal adenocarcinoma s/p neoadjuvant chemotherapy; bile duct margin	null	There is no evidence of malignancy
Case 14	67 yo M undergoing esophagus/stomach resection for adenocarcinoma of the GE junction noted to have a liver lesion	null	Bile duct hamartoma
Case 15	55 yo M undergoing cholecystectomy for a thickened gallbladder wall seen on MRI	null	Chronic cholecystitis with adenomyomatous hyperplasia
Case 16	77 yo M undergoing Whipple for pancreatic ductal adenocarcinoma noted to have an omental nodule	null	Metastatic adenocarcinoma
Case 17	70 yo F with a history of gallbladder adenocarcinoma s/p chemoradiation noted to have a liver lesion	null	Dense fibrous tissue with lymphohistiocytic chronic inflammation • necroinflammatory debris and reactive changes compatible with prior therapy; negative for malignancy
Case 18	79 yo F with a history of gallbladder cancer now with a liver lesion	null	Highly atypical ductal cells suspicious for malignancy (permanent dx: adenocarcinoma consistent with gallbladder cancer)
Case 19	56 yo F undergoing gastrectomy for adenocarcinoma; duodenal margin	null	Positive for carcinoma