Pitfalls in imaging after gastrointestinal surgery.

Apostoperative abdomen can be extremely challenging on cross-sectional imaging. Knowledge of normal postoperative anatomy and pitfalls is important for accurately diagnosing complications. There is an exhaustive list of abdominal surgeries; however, this article gives a general account of some of the pitfalls seen in abdominal surgeries. Before discussion of the pitfalls, we shall discuss the technique used for computed tomography (CT) scanning in the postoperative period and common surgical principles used.