Fig. 5
From: Primary gastrointestinal stromal tumor of the liver: a case report and review of the literature
Photomicrographs of stained tumor sections. Microscopically, the tumor consisted of spindle cells with pleomorphic nuclei arranged into fascicles (hematoxylin-eosin stain, ×200) (a). Immunohistochemically, the tumor cells were diffusely positive for KIT (b) and CD34 (c) (×200)