Massive Intra-Abdominal Imatinib-Resistant Gastrointestinal Stromal Tumor in a 21-Year-Old Male
Figure 4
(a) Photomicrograph of the resected specimen stained with H + E showing features of high grade GIST with mitotically active spindle and epithelioid cells involving the gastric and perigastric adipose tissue (60x magnification). (b) IHC staining demonstrating strong diffuse staining for CD117 (20x magnification).
