Villous Adenocarcinoma of the Duodenum Invading the Ampulla of Vater: Case Report and Review of Literature

Adenocarcinoma arising in villous adenoma of the ampulla of Vater with synchronous malignant gastrointestinal stromal tumour of the duodenum: a case report.

A Rare Collision Tumor Composed of Follicular Lymphoma and Adenocarcinoma in the Ampulla of Vater: A Case Report

The duodenum is infrequently affected by malignant lymphoma, and follicular lymphomas of the duodenum are rare histological subtypes. There are no reported cases of collision of follicular lymphoma and other tumors in the ampulla of Vater. A 57-year-old Japanese man presented with jaundice, and abdominal computed tomography revealed a tumor of the ampulla of Vater invading the pancreatic head w...

Signet ring cell carcinoma of the ampulla of vater. A case report.

CONTEXT Signet ring cell carcinoma of the ampulla of Vater is extremely rare and only 12 cases have previously been described in the English language literature. We report a case of advanced signet ring cell carcinoma of the ampulla of Vater, with invasion of the duodenum and pancreas. CASE REPORT A 59-year-old man presented at a local hospital with upper abdominal pain and icterus. Obstructi...

Giant villous duodenal adenoma with malignant change: an unusual cause of obstructive jaundice.

Obstructive jaundice can have various causes, and both neoplastic and non-neoplastic lesions have to be considered. In cases of malignant disease, the tumors are usually located in the extrahepatic bile ducts, the pancreatic head, or the ampulla of Vater [1]. In rare cases, the causative lesion originates from the duodenum [2,3]. A 67-year-old man presented with nonspecific right upper quadrant...

Coexistence of large cell neuroendocrine carcinoma and adenocarcinoma of the ampulla of vater.

We report a case of coexisting poorly differentiated endocrine carcinoma and conventional adenocarcinoma in the ampulla of Vater. A 70-year-old female had a recent history of symptoms and signs related to obstructive jaundice. An initial endoscopic biopsy of the ampulla of Vater showed a poorly differentiated endocrine carcinoma in the lamina propria of duodenal mucosa. The tumor could also be ...