Metastasis to Spine
Incidence of spread of cancer to spine from primary tumors of other parts of body is increasing in recent years .This is primarily because of better control of local problem by surgery and newer anti-cancer medications, as a result a large number of patients are surviving for longer time and approximately 10% patients are presenting with painful cancerous deposits in spine bones. Patients usually presents with two types of pain, one is the pain caused by deposit of cancer tissue, this pain is more during night. Second type of pain is mechanical pain which is more on standing or sitting caused by loading of spine, this type of pain is relieved by bed rest. Surgery on spine bones is indicated for relief of pain if the original cancer is not responsive to radiotherapy or chemotherapy, if the spine has become unstable because of destruction of spine bones by tumor tissue, if there is fracture with bony fragment in the spinal canal, advanced all around compression of spinal cord by tumor tissue and when in some cases you do not know where the primary tumor is. Surgery usually requires fixation with screws –rods –titanium cylinders construct or plates. There is about 94% to 100% relief of local pain after surgery.
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