Occult perineal fistula in male infants with imperforate anus.
D000015:Abnormalities, Multiple; D001006:Anus, Imperforate / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D005402:Fistula / Q000151:congenital* / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010502:Perineum / Q000002:abnormalities*; D011859:Radiography