KIT and platelet-derived growth factor receptor α wild-type gastrointestinal stromal tumor associated with neurofibromatosis type 1: Two case reports

Figure 1 Multiple nodules from the skin and abdomen. A: Multiple nodules of varying sizes with brown spots are visible on the skin; B: Enhanced computed tomography of the abdomen showed a mass at the junction of the descending and horizontal duodenum (arrow), suggesting a diagnosis of a gastrointestinal stromal tumor.