title: The ultrasonographic appearance of a trichobezoar.
mesh_terms: D000293:Adolescent; D001630:Bezoars / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D010192:Pancreatic Pseudocyst / Q000175:diagnosis; D013270:Stomach; D014463:Ultrasonography