單項(xiàng)選擇題
【A3/A4型題】6歲男孩,因陰莖粗大、聲音粗啞就診。體檢發(fā)現(xiàn)陰毛及腋毛明顯,右睪丸較對(duì)側(cè)睪丸明顯腫大,光滑,與陰囊無(wú)粘連。B超證實(shí)為睪丸實(shí)質(zhì)性腫塊,CT提示腹膜及腹股溝淋巴結(jié)無(wú)腫大,肺、腦、骨髓無(wú)轉(zhuǎn)移灶發(fā)現(xiàn)??紤]診斷()
A.睪丸卵黃囊瘤
B.睪丸惡性畸胎瘤
C.間質(zhì)細(xì)胞瘤
D.橫紋肌肉瘤
E.急性白血病睪丸轉(zhuǎn)移