Anal "epistaxis": exteriorization of rectal bleeding during colonoscopy.
Delpre
G
G
Niv
Y
Y
D000368:Aged; D001004:Anus Diseases / Q000209:etiology*; D003113:Colonoscopy / Q000009:adverse effects*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006484:Hemorrhoids / Q000150:complications; D006801:Humans; D008297:Male; D012005:Rectal Prolapse / Q000150:complications