Which tumor marker pattern is typical for seminoma?

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Prepare for the Ultrasound Registry (URR) Exam with focused practice on abdomen topics. Use flashcards and multiple choice questions with hints and explanations. Achieve exam success with comprehensive study materials.

Multiple Choice

Which tumor marker pattern is typical for seminoma?

Explanation:
In seminoma, the marker pattern is driven by which substances the tumor secretes. AFP is not produced by seminoma, so it stays normal. Some seminomas contain syncytiotrophoblastic cells that can secrete beta-hCG, leading to elevated BhCG. Therefore the most characteristic pattern is a normal AFP with an elevated BhCG. This helps distinguish seminoma from non-seminomatous tumors, where AFP is often raised (and BhCG patterns can vary).

In seminoma, the marker pattern is driven by which substances the tumor secretes. AFP is not produced by seminoma, so it stays normal. Some seminomas contain syncytiotrophoblastic cells that can secrete beta-hCG, leading to elevated BhCG. Therefore the most characteristic pattern is a normal AFP with an elevated BhCG. This helps distinguish seminoma from non-seminomatous tumors, where AFP is often raised (and BhCG patterns can vary).

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