Fig. 4From: Adding trans-abdominal elastography to the diagnostic tool for an ileal gastrointestinal stromal tumor: a case reportThe histologic examination. a, Hematoxylin–eosin, × 100 magnification. Aggregates of neoplastic cells with high cellularity, marked pleomorphism and mitosis. b, Immunohistochemical staining of CD117 (c-kit), × 200 magnification. Positive staining for CD117Back to article page