Primary T-cell lymphoma of the duodenum: Report of a case

A case of primary non-Hodgkin's T-cell lymphoma of the duodenum is presente d. A 41-year-old man was hospitalized in 1984 complaining of abdominal dist ention and vomiting. Hypotonic duodenography showed an encircling filling d efect in the second portion of the duodenum, and a biopsy specimen revealed features of malignancy suggestive of either undifferentiated carcinoma or malignant lymphoma, Radical surgery (pancreaticoduodenectomy) was performed , after which chemotherapy was administered. A histological evaluation of t he duodenal tumor showed it to be non-Hodgkin's lymphoma. It was a diffuse, large-cell type, which immunohistochemically suggested it to be of T-cell origin. Currently the patient is doing well, with no evidence of disease re currence 13 years after surgery.