Sections from the duodenal mucosa show mild chronic follicular duodenitis, with mild infiltration by lymphocytes and plasma cells and associated lymphoid follicular hyperplasia. The villous architecture is preserved, with no evidence of atrophy, ulceration, granulomas, or malignancy.
Ampullary thickening: The patient is 9 months post-laparoscopic cholecystectomy (with a prior history of choledocholithiasis, ERCP, and CBD stenting) who now presents with mild hepatomegaly and significant intra- and extra-hepatic biliary dilatation—specifically a common bile duct dilated up to 17mm with abrupt tapering at the ampulla—raising suspicion for a recurrent stone or stricture that requires further workup.
Soft tissue fragments collectively measured 0.9 cm, totally embedded.
Ampullary thickening, endoscopic biopsies: