A CASE OF PRIMARY T CELL LYMPHOMA OF THE SMALL INTESTINE WITH PERFORATED PERITONITIS

A case of primary T cell of the small intestine with perforated peritonitis is reported. A 26-year-old man who had 2-month lasting poor appetite, high fever of unknown origine, and abdominal pain lost his body weight by 6kg, and the abdominal pain spreaded entire the abdomen one day before adomission. The patient was admitted to the hospital with a suspicion of peritonitis. Plain abdominal X-ray films and computed tomography revealed remarkable ascites and free air. Emergency laparotomy was performed under a diagnosis of perforative peritonitis. Two sites of perforations associated with ulceration were present in the small intestine approximetely 15cm and 80cm from the ligament of Treiz. Partial resections of the small intestine were performed. A histological diagnosis of diffuse lymphoma, mixed-sized, T cell type was confirmed from the positive findings immunochemical stain with UCHL1. The patient was discharged from the hospital 36days after operation. A total of 15 cases of primary T cell lymphoma of the small intestine including our case have been reported in the Japanese literature.