Primary small bowel lymphomas are rare tumors and extranodal established lymphoma. Anatomy and localization reasons, radiological view of the small bowel lesions is quite difficult. For this reason, is often late diagnosis and treatment. Abdominal pain and weight loss due to the applicant at 73 years old female patient had bowel mass. When the examination is contunue, acute abdomen due emergency laparotomy. In pathological examination,has been reported as primary small bowel lymphoma. As a result, in bowel mass, diagnosed by considering the difficulties of this mass could live with small bowel lymphoma and complications should be noted that it may be.