问题
单项选择题
关于前列腺增生，下列哪项是正确的
A．前列腺增生是指细胞增多但不增大
B．男性自30岁时即可有不同程度的增生
C．多在45岁以后出现临床症状
D．前列腺的正常发育可不依赖雄激素
E．良性前列腺增生的病因已经明确
答案
参考答案：A
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关于前列腺增生，下列哪项是正确的
A．前列腺增生是指细胞增多但不增大
B．男性自30岁时即可有不同程度的增生
C．多在45岁以后出现临床症状
D．前列腺的正常发育可不依赖雄激素
E．良性前列腺增生的病因已经明确
参考答案：A
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