脊椎转移瘤多源于脊椎外之脏器或组织恶性肿瘤的血行播散,亦可经淋巴道转移,或由邻近肿瘤直接侵犯。在转移瘤中,脊椎转移瘤常见,仅次于肺和肝转移瘤。其原发肿瘤又以肺癌、乳腺癌、前列腺癌、肾癌和甲状腺癌等更常见。经血行途径转移者,主要是腔静脉或椎静脉丛途径,侵入脊椎富 Spinal metastases mostly originated from splanchnic organ or tissue malignancy hematogenous spread, but also by lymphatic metastasis, or by direct violations of nearby tumors. In metastases, spinal metastases are common, second only to lung and liver metastases. The primary tumor in turn lung cancer, breast cancer, prostate cancer, kidney cancer and thyroid cancer more common. Transmitted by the blood line pathways, mainly the vena cava or vertebral venous plexus pathways, invasion of spinal wealth