Collision tumour of the stomach – adenocarcinoma and neuroendocrine carcinoma: case report  and review of the literature

Andrzej Mróz; Mirosław Kiedrowski; Małgorzata Malinowska; Rafał Sopyło

eISSN: 2084-9869
ISSN: 1233-9687

Polish Journal of Pathology

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2/2009
vol. 60

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abstract:

Collision tumour of the stomach – adenocarcinoma and neuroendocrine carcinoma: case report and review of the literature

Andrzej Mróz

,

Mirosław Kiedrowski

,

Małgorzata Malinowska

,

Rafał Sopyło

Pol J Pathol 2009; 2: 94-97

Online publish date: 2009/08/30

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We report a rare case of gastric collision tumour composed of poorly differentiated adenocarcinoma and neuroendocrine carcinoma in a 56-year-old Caucasian male. The tumour was located in the gastric body and, to our knowledge, it is the tenth case described in the literature and the first in Poland. The adenocarcinoma component constituted 20% of the lesion and was in a more advanced stage than the neuroendocrine component. Additionally, the adenocarcinoma was the only one to metastasize to regional lymph nodes and the liver. The controversies regarding nomenclature of such lesions are discussed and a review of the literature is presented.

keywords:

Collision tumour of the stomach – adenocarcinoma and neuroendocrine carcinoma: case report and review of the literature

Andrzej Mróz , Mirosław Kiedrowski , Małgorzata Malinowska , Rafał Sopyło

gastric adenocarcinoma, neuroendocrine carcinoma, collision tumour, composite tumour, stomach

Andrzej Mróz

,

Mirosław Kiedrowski

,

Małgorzata Malinowska

,

Rafał Sopyło