Rana Rehan, Quratulain Haroon, Rizwan Ajmal, Asma Siddiqui.
Ultrasound findings of Congenital Pouch Colon, a Variant of Anorectal Malformation.
Pak J Radiol Jan ;31(1):58-60.

Congenital pouch colon (CPC) is a variant of anorectal malformation in which all or part of the colon is replaced by a pouch-like dilatation that communicates distally with the urogenital tract by a large fistula.It is associated with variable length of proximal normal colon. It is categorized into four subtypes (Types I-IV) based on the length of normal colon proximal to the colonic pouch 2.O ver the years ,incidence of type IV CPC , which is less severe form ,is increasing with low ARM .3-6 This condition has a male preponderance with a male to female ratio of 2.25:1 . 3 Type IV CPC has a near normal colon with only its terminal portion converted into a pouch. This case report illustrates the postnatal sonographic findings of a baby with type IV CPC ,a rare presentation.The aim of this report is to highlight the importance of a careful examination of the morphology as well as the location of the fetal bowel.

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