multiple lymphomatous polyposis
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multiple lymphomatous polyposisA rare (less than 100 cases in the world literature), high-grade mantle/B-cell lymphoma, which affects patients > age 50, male:female ratio, 2:1, appearing as multiple polypoid lesions extending over long segments of the GI tract, especially duodenum.
Diffuse abdominal pain, chronic lower-GI bleeding, peripheral lymphadenopathy, weight loss. MLP is aggressive and often involves liver, spleen, bone marrow, peripheral lymph nodes.