Fig. 2From: Perivascular epithelioid cell tumor of the descending colon mimicking a gastrointestinal stromal tumor: a case reportHistological findings. a Hematoxylin and eosin (H&E) staining. Two representative fields. Immunohistochemical specimens for b PDGFRα, c KIT, d discovered on GIST-1 (DOG1), e Ki67, f HMB45, g Calponin, and h TFE3. Photos are ×200 magnification in a and ×100 magnification in b–h Back to article page