前列腺癌有哪些症状？

印度代购科普：前列腺癌有哪些症状？

前列腺癌早期常无症状，随着肿瘤的发展，前列腺癌引起的症状可概括为两大类：

Prostate cancer is often asymptomatic in its early stage. With the development of tumors, symptoms caused by prostate cancer can be summarized into two categories:

　　1.压迫症状

　　逐渐增大的前列腺腺体压迫尿道可引起进行性排尿困难，表现为尿线细、射程短、尿流缓慢、尿流中断、尿后滴沥、排尿不尽、排尿费力，此外，还有尿频、尿急、夜尿增多、甚至尿失禁。肿瘤压迫直肠可引起大便困难或肠梗阻，也可压迫输精管引起射精缺乏，压迫神经引起会阴部疼痛，并可向坐骨神经放射。

　　2.转移症状

　　前列腺癌可侵及膀胱、精囊、血管神经束，引起血尿、血精、阳痿。盆腔淋巴结转移可引起双下肢水肿。前列腺癌常易发生骨转移，引起骨痛或病理性骨折、截瘫。前列腺癌也可侵及骨髓引起贫血或全血象减少。

Prostate cancer can invade bladder, seminal vesicle, blood vessel nerve bundle, cause hematuria, blood essence, impotence. Pelvic lymph node metastasis can cause edema of both lower limbs. Prostate cancer is often prone to bone metastasis, causing bone pain or pathological fracture, paraplegia. Prostate cancer can also invade the bone marrow and cause anemia or reduced blood count.