- 期刊
Metastatic Spine Disease Presenting as Lumbar Spinal Stenosis – A Retrospective Study of 21 Surgical Cases-
並列摘要
From 1984 to 1994, 21 surgical cases of metastatic spine disease mimicking lumbar spinal stenosis aged 44 to 80 years (mean:59 years old) were retrospectively reviewed. The follow-up period ranged from 2 months to 2 yeas (mean:1.3 years). Only 4 cases (19%) had past history of extraspinal cancer. All had the clinical picture mimicking lumbar spinal stenosis initially. Spinal metastases were suspected from preoperative imaging studies (CT, MRI) in 19 cases (90%), during operation in one cases (5%), or posteroperative imagine studies (MRI, bone scan) in one case (5%) due to unexpected postoperative course. Sixteen cases (76%) had symptoms less than 6 month with rapid exacerbation. Night pain, the significant symptom of spinal metastases, was documented in 9 cases (42%). The prognosis of these surgical cases was disappointing. Only 2 cases (10%) had good result and 7 cases (33%) died within 12 months postoperatively. Metastatic spine disease may present a clinical picture mimicking lumbar spinal stenosis. For a short duration of symptoms with rapid exacerbation or an unexpected postoperative course, the underlying spinal metastases should be carefully evaluated an presumed until proven otherwise in spite of no apparent bony destruction shown on plain radiographs.
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