Ampullary tumours are uncommon. They may occur with familial polyposis syndromes or
neurofibromatosis. It can be difficult to distinguish them from their periampullary counterparts …

This study shows a patient who presented with intermittent biliary tract obstruction caused by
ampullary hamartoma. Endoscopic retrograde cholangiopancreatography showed a large …

Tumors of the papilla of Vater are very rare. Despite advanced imaging techniques the
distinction between benign and malignant tumors remains very difficult. Because most …

There is no consensus on the appropriateness of local resection for ampullary tumors,
because malignant recurrence of what were thought to be benign tumors has been reported …

INTRODUCTION: Heterotaxy designates rare congenital disorders of organ positioning in
the thoracic and abdominal cavities, which can be associated with numerous anomalies …

The safety and effectiveness of endoscopic management of ampullary adenomas is well
known. However, data on the endoscopic treatment and long-term outcome of …

This is an interesting case of an isolated ampullary adenoma causing biliary obstruction that
required surgical excision. We describe a patient who presented with a six month history of …

Ampullary adenomas arising in the papilla or the ampulla Vateri, are rare, benign, neoplastic
lesions. No specific aetiological factors, such as diet, chemical or environmental causes …

Case Report A 30-year-old woman was admitted to our hospital for treatment of an
ampullary tumor. Upper gastrointestinal endoscopy revealed a pedunculated tumor in the …

Objective: Unusual clinical course Background: Although ampullary adenomas have been
reported to be considered as precancerous lesions, there have been very few reports of …