title: Fibromuscular hyperplasia of the posterior urethra: a cause for lower urinary tract obstruction in male children.
mesh_terms: D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003558:Cystoscopy; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging; D006965:Hyperplasia / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D014521:Urethra / Q000473:pathology; D014522:Urethral Diseases / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D001748:Urinary Bladder Neck Obstruction / Q000209:etiology*; D014567:Urography; D014718:Vesico-Ureteral Reflux / Q000000981:diagnostic imaging