2020-25 / June 22 (Contributor: Daniel H Russell)
A man in his mid 30s presented with a testicular mass. Areas represented by the photomicrograph encompassed several low magnification fields. A minor percentage of seminoma was present, while the majority of the lesion was teratoma. WT1 was expressed by lesional tissue shown.
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1. What is the diagnosis?
a. Mixed Germ Cell Tumor, Seminoma and Teratoma
b. Yolk Sac Tumor
c. Primitive Neuroectodermal Tumor (PNET)
d. Well Differentiated Neuroendocrine Tumor (Carcinoid Tumor)
e. Mixed Germ Cell Tumor, Seminoma and Teratoma, with Somatic-Type Malignancy