Congenital mega colon is confirmed by:: (A) Rectal biopsy, (B) Sigmoidoscopy, (C) Barium enema, (D) Invertogram
Answer is A. a. Rectal biopsy(Ref: Nelson's 20/e p 1894-1897Ghai 8/e p 285-286)Congenital Aganglionic Megacolon is the other name for Hirschsprung diseaseDiagnosis of Hirschsprung disease is confirmed by rectal biopsy.