Undifferentiated Carcinoma Mari Mino-Kenudson, MD Key Facts Terminology Malignant epithelial neoplasm with significant component showing no definite differentiation Wide range of morphologic findings ranging from pleomorphic epithelioid cells to multinucleated…
Pancreatic Intraepithelial Neoplasia Vikram Deshpande, MD Key Facts Terminology Noninvasive ductal epithelial proliferations associated with pancreatic ductal adenocarcinoma Clinical Issues High-grade PanIN, particularly PanIN-3, indicates elevated risk for pancreatic adenocarcinoma…
Perihilar Bile Duct Cancer Protocol Laura Webb Lamps, MD Perihilar Bile Ducts: Local or Segmental Resection, Hilar Resection With or Without Hepatic Resection Surgical Pathology Cancer Case Summary (Checklist) Specimen…
Distal Extrahepatic Bile Duct Cancer Protocol Laura Webb Lamps, MD Distal Extrahepatic Bile Ducts: Local or Segmental Resection, Pancreaticoduodenectomy Surgical Pathology Cancer Case Summary (Checklist) Specimen (select all that apply)…
Gallbladder Carcinoma Cancer Protocol Laura Webb Lamps, MD Gallbladder: Resection/Cholecystectomy Surgical Pathology Cancer Case Summary (Checklist) Specimen (select all that apply) ___Gallbladder ___Liver ___Extrahepatic bile duct ___Other (specify):____________________ ___Not specified…
Cholesterol Polyps and Cholesterolosis Kari D. Caradine, MD Key Facts Terminology Accumulation of neutral lipid within macrophages of lamina propria of gallbladder Macroscopic Features Lipid droplets appear as yellow flecks…
Embryonal Rhabdomyosarcoma Laura Webb Lamps, MD Key Facts Terminology Botryoid rhabdomyosarcoma is most common pediatric neoplasm of extrahepatic biliary tree Macroscopic Features More common in biliary tree than gallbladder Grape-like…
Adenocarcinoma of the Extrahepatic Bile Ducts Hanlin L. Wang, MD, PhD Key Facts Terminology Malignant neoplasm arising from epithelium lining right and left hepatic ducts, common hepatic duct, and common…
Poorly Differentiated Neuroendocrine Carcinoma, Gallbladder Laura Webb Lamps, MD Key Facts Terminology Similar to small cell carcinomas in other organs Clinical Issues Highly aggressive neoplasm Microscopic Pathology Round to spindled…
Carcinoid Tumor Kari D. Caradine, MD Key Facts Clinical Issues Rare primary neoplasm of biliary tract All tumors have metastatic potential Risk is mostly dependent on location in GI tract,…
