CT findings of afferent loop syndrome after a subtotal gastrectomy with Roux-en-Y reconstruction.

A rare case of combined afferent loop syndrome following Roux-en Y reconstruction and small bowel obstruction due to adhesions at the enteroenterostomy is presented. The CT findings of the obstruction of both the afferent and the efferent limbs are demonstrated, with emphasis on the characteristic CT features of afferent loop syndrome.