Vascular lesion of the verumontanum.
D002675:Child, Preschool; D006801:Humans; D008297:Male; D014521:Urethra / Q000473:pathology; D014522:Urethral Diseases / Q000150:complications* / Q000473:pathology; D014555:Urination Disorders / Q000209:etiology*; D014652:Vascular Diseases / Q000150:complications / Q000473:pathology