Anal malformation

Q) Newborn with abdominal distension on day 2, not passed meconium. There is absent anal orifice. WHat is the next step? # NEET SS 22 

a) Cross table X ray

b) Invertogram

c) Anoplasty

d) Sigmoid colostomy

Ans a) Cross table X ray

1st step in such cases Rule out congenital abnormalities of spine, sacrum , kidney heart etc

2nd step Cross table x ray  If it shows Perineal fistula do ANoplasty, If x ray shows rectal gas below coccyx do PSA RP with or without colostomy, If it shows gas above coccyx with associated defects do colostomy

Table 67.14 Sabiston