nonseminoma
Quick Summary
Nonseminoma is a type of testicular cancer that arises from mature germ cells. These cancers tend to be malignant and can spread to other parts of the body. Nonseminomas are broadly classified alongside seminomas, which are derived from immature germ cells and are generally slower-growing and more responsive to treatment.1
Nonseminomas can include embryonal-cell carcinomas and choriocarcinomas. They often secrete alpha-fetoprotein or human chorionic gonadotropin (HCG). These hormones can lead to increased testosterone and estradiol production, potentially causing breast enlargement in men.1
Teratomas, which are tumors derived from multiple cell types, are also considered a type of nonseminoma. Symptoms of testicular cancer typically21
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