PRIMARY GASTROINTESTINAL T-LYMPHOMA

Primary gastrointestinal lymphoma comprises a group of distinctive cli nicopathological entities. They may be of B or T-cell type. Intestinal T-cell lymphomas are much less common and include the entity: lymphom as T enteropathy-associated T-cell lymphoma, the most common, and T-ce ll lymphoma without features of enteropathy. The morphologic and immun ologic findings suggest that derived from mucosal T lymphocytes popula tion. Clinically, the patients were usually males with constitutional symptoms and acute perforation and/or obstruction of the small bowel. Their prognosis are very poor and tumor are very agressive.