What is the most common type of testicular cancer?

Prepare for the Reproductive Physician Assistant National Certifying Examination (PANCE). Utilize flashcards and multiple choice questions, complete with hints and explanations, to confidently approach your exam.

The most common type of testicular cancer is germ cell tumors. They account for approximately 95% of all testicular cancer cases and can be further subclassified into seminomas and non-seminomas. Germ cell tumors arise from the cells that are responsible for producing sperm and are highly responsive to treatment, leading to favorable prognosis even when caught at advanced stages.

Sertoli cell tumors and Leydig cell tumors, both of which represent sex cord-stromal tumors of the testes, are much less common. They primarily produce hormones and may lead to endocrine-related symptoms but are not nearly as prevalent as germ cell tumors. Germinal tumors, while they may sound similar, do not represent a specific category recognized in the context of testicular cancer classification and could lead to confusion with germ cell tumors. Thus, the prevalence and classification support germ cell tumors as the most common form of testicular cancer.

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