Cite this page: Gulwani H. Papillary hyperplasia. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/gallbladderpaphyperplasia.html. Accessed March 28th, 2024.
Definition / general
- Usually secondary to inflammatory disorders (chronic cholecystitis [5 - 20%] or cholelithiasis, adenomyomatous hyperplasia, primary sclerosing cholangitis, ulcerative colitis), cholesterolosis (up to 100%) or anomalous arrangement of pancreaticobiliary duct (40 - 90%)
- Diffuse or focal
Case reports
- 12 year old girl with biliary colic (J Pediatr Surg 2001;36:1584)
- Primary diffuse papillary hyperplasia of gallbladder (Pathology 2006;38:591)
Microscopic (histologic) description
- Single layer of columnar epithelium in papillary mucosal folds, may be villiform
- Basal nuclei, no atypia