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Qiao's Pathology: Testicular Tumor - Mixed Germ Cell Tumor

Gross Photos of a Radical Orchiectomy Specimen Showing: A large testicular tumor replacing 90% testicular parenchyma. The ring of uninvolved testicular tissue is in lower portion of the specimen. The cut surface of the tumor is hemorrhagic with areas of necrosis. Tissue sections reveal 50% of choriocarcinoma, 25% of yolk sac tumor, 15% of immature cystic teratoma, and 10% of embryonal carcinoma. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.

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Uploaded on August 9, 2012
Taken on August 9, 2012