Fig. 2From: Extragonadal germ cell tumor of the posterior mediastinum in a child complicated with spinal cord compression: a case reporta Photomicrograph of the surgical specimen showing that the tumor consisted of uniform cells divided into clusters by fine fibrous trabeculae associated with a lymphocytic infiltrate (H&E, 200X). b Round or polygonal seminoma cells with a distinct membrane (H&E, 400X). c Immunohistochemical staining with β-HCG. The tumor cells were negative for β-HCG (β-HCG, 400X). d Seminoma stained with PALP (PALP, 400X). e c-KIT showed diffuse positivity in the malignant cells. (c-KIT, 400X)Back to article page