Traumatic neuroma of remnant cystic duct mimicking duodenal subepithelial tumor: A case report

Figure 1 Preoperative tumor evaluation. A: Upper gastrointestinal endoscopy showing a lesion protruding into the lumen of the duodenal bulb; B: Endoscopic ultrasonography showing a hypoechoic lesion 1.8 cm in size; C: Coronary view of abdominal computed tomography (CT) showing a small enhancing nodule 1.4 cm in size (orange arrow) between the cystic duct and the duodenal bulb; D: Axial view of abdominal CT showing the lesion (orange arrow).