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前列腺癌是男性生殖系最常见的恶性肿瘤,多发生于已萎缩的前列腺后叶腺泡内。早期可无明显症状,随着肿瘤增大而逐渐出现排尿困难、尿线细、尿流缓慢等尿路梗阻症状,病变后期则出现转移症状及血尿、贫血、消瘦、乏力等慢性消耗性症状。在前列腺癌的早期,由于肿瘤局限,大多数前列腺癌病人无明显症状,常因体检时肛门指诊检查而发现。前列腺癌患者前列腺质地坚硬如
Prostate cancer is the most common malignant tumor of the male reproductive system, occurs in the acinar of the posterior prostate gland. There are no obvious symptoms in the early stage. As the tumor enlarges, urinary obstruction symptoms such as dysuria, thin urinary tract and slow urinary flow gradually appear. Urine symptoms such as metastasis and hematuria, anemia, emaciation, fatigue and other chronic wasting symptoms appear in the late stage of the disease. In the early stages of prostate cancer, most of the patients with prostate cancer have no obvious symptoms due to the limited tumor. They are often found due to the examination of the anus during the physical examination. Prostate cancer patients with hard texture