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Acta Gastroenterol Belg. 2015 Jul-Sep;78(3):332-5.

An unusual neoplasm of the pancreas: Pancreatic metastasis of a Merkel cell carcinoma. Case report and review of the literature.

Acta gastro-enterologica Belgica

E De Cock, M Remery, M De Vuyst, K Lecluyse

PMID: 26448416

Abstract

Isolated pancreatic metastases are rare. The differential diagnosis of pancreatic neoplasms can be difficult, especially it can be troublesome to obtain tissue diagnosis. However, pancreatic lesions in patients with a history of a malignancy must be considered to be metastases. We present a case of a patient with a history of a Merkel cell carcinoma (MCC) in the neck. Twelve months after this diagnosis a follow-up CT shows a large isolated tumor in the head of the pancreas. Histological and immunohistochemical studies of specimen obtained through ultrasound-guided transabdominal biopsy, show similar characteristics as the primary MCC. To our knowledge twelve cases of a pancreatic metastasis of a MCC have been reported in English literature. A review of the literature was performed.

© Acta Gastro-Enterologica Belgica.

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