Fig. 3From: An incidental finding of testicular seminoma in the context of acute pulmonary embolism: a case reportTumor histology from the orchidectomy specimen consistent with seminoma on hematoxylin and eosin (H&E) staining (left). The image on the right shows positive immunohistochemistry for octamer-binding transcription factor (OCT) 3/4, a germ cell markerBack to article page