Detection of typical lesions of hereditary hemorrhagic telangiectasia by colonoscopy.
D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012007:Rectum; D013683:Telangiectasia, Hereditary Hemorrhagic / Q000175:diagnosis*