The Surgical Treatment of the Lumbosacral Metastic Tumor

ZHAO Xi-jiang; QI Xin-sheng

Abstract：Objective Toinvestigatetheefficacyofsurgicaltreatmentoflumbosacralmetastictumor.Methods Between September 2009 and December 2012,twenty-six patients with metastatic lumbosacral tumors treated in our department were studied retrospectively. There were metastasis of lung cancer in 9 cases;metastasis of rectal cancer 3 cases,breast cancer me-tastasis in 7 cases,liver metastasis,in 4 cases of metastatic tumors of undefined in 3 cases. Twenty-three patients had pain at lumbosacral region and/or lower limbs,of which twenty patients felt pain aggravated while ambulating. Saddle area hypoesthesia occurredin15patientswithdysuriaorconstipation,partoflowerextremityactivityandsensorydysfunction.Results Thelum-bosacral pain were alleviated significantly(21/26),cerebrospinal fluid leakage in 2 cases,wound infection and delayed healing in 3 cases. NRS scores was 7. 4(4~9)before operation and was 2. 4(0~4)after operatio,there was significant difference compared with that before operation(P﹤0. 05). No screw or rod fracture was found in the follow-up period. The neurological function were improved to some degrees(12/15). However bladder and rectum dysfunction and sexual dysfunction were ob-served in 3 patients. The total postoperative symptom relief rate was 80%,half of the patients can be normal in daily learning andworking.Conclusion Thesurgicaltreatmentoflumbosacralmetastasesdependsonthetumortype,locationwithinspine and damage degree of vertebral. Different posterior spinal-pelvic fixation fusion are effective means of achieving stabilization, providing significant pain relief and preserving ambulatory capacity.