• Satoshi Ogihara, Atsushi Seichi, Takahiro Hozumi, Hiroyuki Oka, Ryuuji Ieki, Kozo Nakamura, and Taiji Kondoh.
• Department of Orthopaedic Surgery, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan.
• Spine. 2006 Jun 15;31(14):1585-90.

Study DesignWe conducted a retrospective study to identify prognostic factors of patients with spinal metastases from lung cancer.ObjectiveTo provide clinical data with strong association to the prognosis and to propose criteria determining indication of operation for spinal metastases.Summary Of Background DataTo make a proper selection of patients for whom surgery is indicated, forecasting short-time survival after spinal metastases is very important. In the past, there has been no report of prognostic factors of patients with such metastases from this cancer.MethodsThis study included 114 patients with spinal metastases of lung cancer. Tumors were histologically categorized as non-small cell lung cancer (NSCLC) in 94 patients and small cell lung cancer (SCLC) in 20 patients. We investigated prognostic factors after spinal metastases using Cox comparative hazard model and a preoperative prognostic score proposed by Tokuhashi. We also investigated the patients who underwent operation for spinal metastases from lung cancer in our hospital.ResultsMultivariate analysis showed that the significant prognostic factors for survival after spinal metastases from NSCLC were performance status (PS), Ca, Alb. Among SCLC patients, Ca, Alb, and a history of chemotherapy were significant (P < 0.05) in univariate analysis. The score of Tokuhashi was not correlative to the survival period. Among the operated patients, postoperative PS was significant for the period of postoperative survival.ConclusionPS, Ca, and Alb in NSCLC and Ca, Alb, and a history of chemotherapy in SCLC are useful for determining an indication of operation for spinal metastases from lung cancer.

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