This is one of a series of statements discussing the use of GI endoscopy in common clinical
situations. The Standards of Practice Committee of the American Society for Gastrointestinal …

Background Assessment of the origin of adenocarcinoma in pancreatoduodenectomy
specimens (pancreatic, ampullary or biliary) and resection margin status is not performed in …

Background Whether ampullary neoplasms are best surgically managed by
pancreaticoduodenectomy versus local ampullectomy is controversial. We sought to …

BACKGROUND. To date, no consensus has been reached regarding which primary tumor
subtypes are managed appropriately with hepatic metastectomy. Specifically, the role of …

Background Perioperative blood transfusion (PBT) is common in pancreatic surgery. Recent
studies have suggested that PBT may be associated with worse long-term outcomes …

Introduction The prognosis for patients with carcinoma of the ampulla of Vater is improved
relative to other periampullary neoplasms. Identification of independent prognostic factors in …

Background and study aims: Endoscopic papillectomy of early tumors of the ampulla of
Vater is an alternative to surgery. This large prospective multicenter study was aimed at …

The prevalence and development of microsatellite instability (MSI) and underlying mismatch
repair (MMR) deficiency in the carcinogenesis of adenocarcinomas of the papilla of Vater …

This is one of a series of statements discussing the use of gastrointestinal endoscopy in
common clinical situations. The Standards of Practice Committee of the American Society for …

Ampullary neoplasms, although rare, present distinctive clinical and pathological features
from other neoplastic lesions of the periampullary region. No specific guidelines about their …