Appendiceal abscess--an unusual cause of acute urinary retention: a case report.

Acute urinary retention can result as a complication of gastrointestinal diseases such as diverticulitis and granulomatous enterocolitis. Appendiceal abscess has been reported as a rare cause of acute urinary retention in children but not in adults. A young adult male who had appendiceal abscess and presented in acute urinary retention forms the subject of this report.