Congenital malformations

CONGENITAL MALFORMATIONS
  • It is common in all animals.
  • The anorectal passage is developed from two distinct centres in the embryo. Normally the two tubes coalesce to form a single conduit.  Some times one of the parts or both is insufficiently developed.
  • The following anomalies may be met with
    • Neither rectum nor the anus is fully formed – atresia ani et recti , atresia ani et coli
    • Rectum is fully developed but anus is absent – imperforate anus
    • Rectum and bladder as one cavity.
      • Recto vesicular fistula
      • Recto urethral fistula
      • Recto vaginal fistula
  • As development proceeds it  divides into two compartments, the lower one forming the bladder and urethra. If the separation is incomplete, recto vaginal or a recto urethral fistula results,

Symptoms

  • In case of complete obstruction:
    • With in few hours after birth
    • Abdominal pain,
    • Distended abdomen
    • Straining without expulsion of muconium 
Last modified: Tuesday, 5 June 2012, 9:15 AM