<prompt> Most common presentation of trichobezoar isObstructionPeritonitisHemorrageAsymptomatic  <response>: Ans a Obstruction Ref: Sabistons textbook of surgery 18th editionTrichobezoars are concretions of hair, generally found in long-haired girls or women who often deny eating their own hair trichophagy. Symptoms include pain from gastric ulceration and fullness from gastric outlet obstruction occasional gastric perforation 