Entero-vesical fistula secondary to small-bowel B-cell lymphoma: a Case Report

Small bowel B-cell lymphoma is a rare malignancy and its presentation is often variable if not elusive. We report a case of entero-vesical fistula secondary to small bowel B-cell lymphoma, the diagnosis of which was only identified after multiple investigations proved inconclusive, and an explorative laparotomy was therefore indicated. To our knowledge, there have been no previous reports of entero-vesical fistula as a manifestation of small bowel B-cell lymphoma, which is in itself an uncommonly reported malignancy.