Fig. 13From: Duodenal imaging on the spotlight: from A to ZGIST. Unenhanced abdominal CT (a) shows an endoluminal homogeneous soft-tissue lesion on the transition D2–D3. Abdominal CT with iv contrast (b, c) shows homogeneous enhancement of the lesion (arrow). Barium study (d) shows a well-circumscribed round intramural mass (arrow) in the transition D2–D3. Histopathological study of the resected specimen revealed a benign GISTBack to article page