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Best Pract Res Clin Gastroenterol. 2010 Feb;24(1):35-42. doi: 10.1016/j.bpg.2009.12.001.

Primary gastrointestinal tract mantle cell lymphoma as multiple lymphomatous polyposis.

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  • 1Department of Gastroenterology, Hôpital Saint-Antoine, Paris, France. agnes.fourmestraux@sat.aphp.fr

Abstract

Primary gastrointestinal involvement of mantle cell lymphoma (MCL) is rare with a frequency reported between 4 and 9% of all gastrointestinal B-cell non-Hodgkin lymphomas. It was first described and so-called as multiple lymphomatous polyposis (MLP). Its clinical presentation is usually characteristic, with multiple lymphomatous polyps involving several digestive tract segments and a marked tendency towards extra-intestinal spread. The constant and typical phenotypic features of the small cleaved tumour cells, characterised as CD20+, CD5+ CD23- with a t(11;14) (q13;q32) and cyclin D1 overexpression on immunochemistry, allow MLP to be considered as the gastrointestinal counterpart of peripheral nodal MCL. They both share a very poor outcome. Response to intensive chemotherapy regimens usually results in regression of macroscopic and sometimes microscopic lesions but remissions are short and median survival from 3 to 4 years. Prognosis has been significantly improved since in younger patients, intensive front-line immunochemotherapy with autologous stem cell transplantation has been proposed. Earlier diagnosis with further studies integrating novel agents are still required to determine the optimal treatment with less toxicity.

2010 Elsevier Ltd. All rights reserved.

PMID:
20206107
[PubMed - indexed for MEDLINE]
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