A 27 year old has testicular tumor excised. On cut surface it is lobulated and fleshy. Histology shows nests of lobules of malignant cells with prominent nucleoli surrounded by abundant lymphocytes. Serum placental alkaline phosphatase is elevated. 1. What is likely diagnosis?

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The development of the reproductive system begins with the formation of undifferentiated gonads and the paired mesonephric and paramesonephric ducts.


1. A 27 year old has testicular tumor excised. On cut surface it is lobulated and fleshy. Histology shows nests of lobules of malignant cells with prominent nucleoli surrounded by abundant lymphocytes. Serum placental alkaline phosphatase is elevated. 1. What is likely diagnosis?