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Post-pubertal Teratoma

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Testis_Germ_MGCT_Gross20A.jpg

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The image shows a radical orchiectomy specimen where the testicular parenchyma has been completely replaced by a mixed germ cell tumor. The components were teratoma (60%), embryonal carcinoma (30%) and seminoma (10%).

The cut surface mostly shows teratoma component consisting of numerous small cysts and pink-tan beaded/nodular areas which were intestinal-type glands surrounded by a cuff of smooth muscle.

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