title: Non-Hodgkin lymphoma of the rectum mimicking angioma.
abstract: We report on a 52-year-old man who was admitted to hospital for peranal bleeding due to a rectal tumor with the endoscopic aspect of an angioma. The histological work-up revealed a Non-Hodgkin lymphoma of low malignancy (centroblastic-centrocytic lymphoma in the Kiel classification). The lymphoma was staged IE. A short review of the literature is given.
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D006391:Hemangioma / Q000175:diagnosis*; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis* / Q000473:pathology; D008875:Middle Aged; D011379:Prognosis; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D012812:Sigmoidoscopy