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Table 1 Classification of non-syndromic anorectal malformations (ARM)

From: Anorectal malformations

Males Recto-perineal fistula
  Recto-urethral-bulbar fistula
  Recto-urethral-prostatic fistula
  Recto-bladderneck fistula
  Imperforated anus without fistula
  Complex and unusual defects
Females Recto-perineal fistula
  Recto-vestibular fistula
  Cloaca with short common channel (< 3 cm)
  Cloaca with long common channel (> 3 cm)
  Imperforated anus without fistula
Complex and unusual defects Cloacal extrophy, covered cloacal extra
  Posterior cloaca
  Associated to presacral mass
  Rectal atresia