Anal atresia: Vacterl association
range from a membranous separation to complete
absence of the anus.
Delineating distance from the distal pouch to perineum
Delineates associated fistulas between terminal bowel and urinary
CT & MRI
Modalities of choice
Help determine presence of puborectalis muscle, external sphincter
and rectal pouch.
Mesenteric Cyst (Lymphangioma)
congenital malformation arising due to sequestration of lymphatic vessels.
thin-walled unilocular or multilocular cystic lesion
useful to demonstrate the thin septations which may not be well seen on CT.
CT and MRI:
demonstrate variable characteristics of the cyst contents (usually water-to fat) depending
upon whether fluid is chylous, infected or haemorrhagic.