title: Trigonal cyst in childhood.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003560:Cysts / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000209:etiology; D008297:Male; D014515:Ureteral Diseases / Q000209:etiology; D014518:Ureterocele / Q000175:diagnosis; D001743:Urinary Bladder / Q000002:abnormalities*; D001745:Urinary Bladder Diseases / Q000150:complications / Q000175:diagnosis*; D014552:Urinary Tract Infections / Q000209:etiology; D014567:Urography