肾癌(又称为肾脏癌)是一种肾脏癌症,肾脏是分别位于脊柱两侧,肠道后方的两个形状像豆子的器官。肾脏的作用是负责清除血液中多余的液体、电解质和废物。
肾脏内可存在不同类型的癌症。
肾细胞癌是成人中最常见的肾癌类型。其始于肾小管(微小管状结构)内膜,并开始不受控制地生长,在肾脏内形成单个肿块(肿瘤)。一侧或双侧肾脏中可以形成多个肿瘤。这种癌症主要发生在 50 - 70 岁的男性身上。
肾癌的症状包括:
虽然肾癌尚无已知的病因,但有一些风险因素可能会增加罹患肾癌的机率。
包括:
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