Abstract
Acute appendicitis is the result of luminal obstruction of appendix. Although fecal impaction and lymphoid hyperplasia are the most common causes of the luminal obstruction, parasitic infections can also be the reason of luminal obstruction and can cause acute appendicitis. 35 year-old female patient applied with the complaints of abdominal pain and nausea, hospitalized with the presumptive diagnosis of acute appendicitis. Explorative laparatomy was performed. Operative findings were consistent with acute appendicitis and appendectomy was perfomed. The patient's postoperative course was unremarkable and discharged on postoperative 2nd day. The pathology was reported as acute appendicitis caused by infestation of Enterobius vermicularis. Herein, a case report of acute appendicitis caused by enterobius vermicularis is presented.