Heterotopic Pancreas Mimicking a Gastrointestinal Neuroendocrine Tumor: A Case Report

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Introduction: Heterotopic pancreas, defined as an atypical presence of pancreatic tissue with no anatomic or vascular continuity with the pancreas, is relatively rare. In most cases it is diagnosed during autopsy or incidentally, since it becomes symptomatic only in few cases, causing bleeding, pain or obstruction.

Aim(s): To report a case of heterotopic pancreas mimicking an intestinal neuroendocrine tumor at 68Ga PET/CT scan.

Materials and methods: A 50-year-old woman was evaluated at the Department of Gastroenterology and Endoscopy Unit because of an incidental detection of a hypervascular nodule close to the Treitz at computed tomography (CT), performed as a part of chronic liver disease follow-up. A neuroendocrine tumor was supposed. Her past medical history was unremarkable. The patient did not present any symptom suggestive for neuroendocrine syndrome and her blood exams including general and specific circulating neuroendocrine markers were normal, except for mild liver function test impairment. A 68Gallium DOTATOC positron emission tomography/computed tomography (68Ga PET/CT) showed a high affinity for somatostatin receptor.

Conference: 13th Annual ENETSConcerence (2016)

Presenting Author: Zilli A

Authors: Fanetti I, Zilli A, Cavalcoli F, Conte D, Massironi S,

Keywords: 68Ga PET/CT, Heterotopic pancreas, Neuroendocrine neoplasms,