Trichobezoar--an unusual cause of acute appendicitis.
Various exotic foreign bodies have been found in the lumen of acutely inflamed appendices. The list includes parasites, pips, chips of bone, metal and wood. In the following case the cause of obstruction was a trichobezoar.
D001064:Appendicitis / Q000209:etiology*; D001065:Appendix; D001630:Bezoars / Q000150:complications*; D002648:Child; D006801:Humans; D008297:Male