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Gastroenterol Clin Biol. 1992;16(8-9):649-55.

[Digestive lymphomatous polyposis].

[Article in French]

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  • 1Groupe d'Etude des Lymphomes Digestifs, Hôpital Saint-Lazare, Paris.


We report 7 prospectively followed cases of lymphomatous polyposis of the gastrointestinal tract. They were characterized by multiple polypoid lesions affecting several segments of the gastrointestinal tract always involving the colon and the rectum. An ileocecal mass was present in 4 cases. Regional lymph node involvement was constant. Peripheral lymphadenopathy was frequent (5 cases out of 7), as was other extra-digestive extension to the bone marrow (4 cases out of 7) and cavum (3 cases out of 7). The histopathological aspect was that of a small cleaved cells (working formulation) or centrocytic (Kiel classification) non-Hodgkin's lymphoma. The peculiar morphology and phenotype of the tumoral B-lymphocytes suggest their possible follicle marginal zone origin. Lymphomatous polyposis bore a rapidly fatal prognosis in every case (mean survival 20 months). This study of seven patients together with the 20 well-documented cases of the literature confirms the existence of lymphomatous polyposis as a distinctive clinicopathological entity among gastrointestinal non-Hodgkin's lymphoma.

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