types of abnormality

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Pena has suggested the following classification of anorectal malformations:

In males:

  • perineal, cutaneous fistula
  • recto-urethral fistula:
    • bulbar urethra
    • prostatic urethra
  • rectovesical fistula
  • imperforate anus without fistula
  • rectal atresia

In females:

  • perineal cutaneous fistula
  • vestibular fistula
  • persistent cloaca
  • imperforate anus without fistula
  • rectal atresia

Last reviewed 01/2018

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