Gastrointestinal Stromal Tumor (GIST) Presenting As Acute Urinary Retention A Rare entity

In males Infra vesical obstruction can cause urinary retention. This obstruction could be intrinsic or extrinsic. In Most of the cases benign prostatic hyperplasia is the commonest cause for urinary retention. But extrinsic factors causing urinary retention are very rare. Intra or retroperitoneal mass lesion which compressing the bladder neck or posterior uretheral region may present as urinary retention. So non urological causes also born in mind when there is no urological evidence for obstruction.