Testicular cancer Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 3-year-old boy is brought to the pediatrician by his parents for evaluation of testicular pain. The pain started approximately 2 weeks ago and has progressively worsened. Medical history is notable for cryptorchidism that was treated with an orchiopexy at the age of 2. Temperature is 37.0°C (98.6°F), pulse is 95/min, and blood pressure is 100/75 mmHg. Physical examination reveals a nontender mass on the left testicle that does not transilluminate. With additional work-up, the patient is diagnosed with testicular cancer and undergoes orchiectomy. Gross analysis of the tumor reveals a greyish-yellow mass, and histological examination reveals the following:

A close-up view of tissue under a microscope, showing numerous irregularly shaped cells with dark nuclei and some clear vacuoles. A blood vessel is visible near the center.
Image reproduced from Wikimedia Commons

Which of the following serum biomarkers was most likely elevated prior to tumor resection?  

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