Acute appendicitis secondary to Enterobius vermicularis infection in a middle-aged man: a case report.

Introduction: Acute appendicitis due to Enterobius vermicularis is very rare, affecting mostly children. Whether pinworms cause inflammation of the appendix or just appendiceal colic has been a matter of controversy.

Case Presentation: A Caucasian 52-year-old man was referred to our Emergency Department with acute abdominal pain in his right lower quadrant.