Neurofibromatosis type 1 with multiple gastrointestinal stromal tumors: A case report

Figure 1 Café-au-lait patches and cutaneous nodular masses. A: Multiple cutaneous nodular masses on the head and face; B: Multiple café-au-lait patches and cutaneous nodular masses on the back.

Figure 2 Abdominal computed tomography. A: A cystic solid mass with an oblique diameter of approximately 44 mm is seen in the left pelvis; B: The solid component exhibits arterial enhancement.

Figure 3 Intraoperative view. A: Multiple masses in the jejunal wall demonstrated clear borders; B: A 4.5 cm diameter tumor in the jejunum 20 cm from the Trietz ligament; C: Large tumor with a grayish white, nodular, cystic surface; D: Small tumor with an oval shape and solid nodules.

Figure 4 Postoperative pathology and immunohistochemical results. A: Diffuse spindle cells with rod-shaped nuclei (hematoxylin–eosin, × 200); B: Diffusely strong expression of CD117 (× 200); C: Diffusely strong expression of DOG-1 (× 200).