试题与答案

睾丸肿瘤中最常见的病理类型是（）。 A.卵黄囊瘤 B.畸胎瘤 C.精原细胞瘤 D.胚

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题型：单项选择题 A1/A2型题

题目：

睾丸肿瘤中最常见的病理类型是（）。

A.卵黄囊瘤

B.畸胎瘤

C.精原细胞瘤

D.胚胎癌

E.绒毛膜上皮癌

答案：

参考答案：C

解析：睾丸肿瘤中生殖细胞肿瘤占95%，而生殖细胞肿瘤中，精原细胞瘤及非精原细胞瘤约各占一半。上述选项中，畸胎瘤、胚胎癌、卵黄囊瘤及绒毛膜上皮癌均属于非精原细胞瘤，因此精原细胞瘤是最常见的类型。

考点：肿瘤放射治疗学主治医师泌尿系统和男性生殖系统肿瘤泌尿系统和男性生殖系统肿瘤题库
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