Malignant Spinal Cord Compression: An Overview

A. Dubey, R. Koul
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引用次数: 4

Abstract

Malignant spinal cord compression (MSCC) occurs when malignant cells grow in, or near to the spinal cord, and compresses the thecal sac and nerve roots. These results in swelling and decrease in the blood flow to spinal cord and causes increase in the venous permeability and eventually interstitial edema. Interstitial edema compresses blood in small arterioles and arrest of capillary flow, resulting in ischemia. Ischemia impairs cord functions resulting in weakness and sensory impairment Any type of cancer can spread to the bones of the spine, which may lead to spinal cord compression. However, it is more commonly seen in hematological malignancies and in solid neoplasms such as breast, lung and prostate cancer. Consistent anatomical definitions of MSCC, clinical follow-up of definitive imaging studies and the addition of information on the natural history of cancer to traditional neurological and radiographic evaluation may all improve clinical assessment of suspected SCC in cancer patients. However, early detection and urgent treatment of malignant spinal cord compression is the only way to prevent paraplegia and severe neurological deficit.
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恶性脊髓压迫:综述
恶性脊髓压迫(MSCC)是指恶性细胞在脊髓内或附近生长,压迫脊髓鞘囊和神经根。这些导致肿胀和脊髓血流量减少,并导致静脉通透性增加,最终导致间质水肿。间质性水肿压迫小动脉内的血液,阻止毛细血管流动,导致缺血。缺血损害脊髓功能,导致无力和感觉障碍任何类型的癌症都可以扩散到脊柱的骨骼,这可能导致脊髓受压。然而,它更常见于血液恶性肿瘤和实体肿瘤,如乳腺癌、肺癌和前列腺癌。一致的MSCC解剖学定义,明确的影像学研究的临床随访,以及在传统的神经学和放射学评估中增加癌症自然史的信息,都可能提高对癌症患者疑似SCC的临床评估。然而,早期发现和紧急治疗恶性脊髓压迫是防止截瘫和严重神经功能障碍的唯一途径。
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