{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T08:48:22Z","timestamp":1771922902477,"version":"3.50.1"},"reference-count":77,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,11]]},"abstract":"<jats:sec><jats:title>OBJECTIVE<\/jats:title><jats:p>Spinal metastases from primary intracranial glioblastoma (GBM) are infrequently reported, and the disease has yet to be well characterized. A more accurate description of its clinical presentation and patient survival may improve understanding of this pathology, guide patient care, and advocate for increased inclusion in GBM research. The authors sought to describe the clinical presentation, treatment patterns, and survival in patients with drop metastases secondary to primary intracranial GBM.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>A systematic review was performed using the PRISMA guidelines. PubMed\/MEDLINE, Scopus, Web of Science, and Cochrane databases were queried for abstracts that included patients with primary intracranial GBM and metastases to the spinal axis. Descriptive statistics were used to evaluate characteristics of the primary brain lesion, timing of spinal metastases, clinical symptoms, anatomical location of the metastases, and survival and treatment parameters. Kaplan-Meier analysis and log-rank analysis of the survival curves were performed for selected subgroups.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Of 1225 abstracts that resulted from the search, 51 articles were selected, yielding 86 subjects. The patients\u2019 mean age was 46.78 years and 59.74% were male. The most common symptom was lumbago or cervicalgia (90.24%), and this was followed by paraparesis (86.00%). The actuarial median survival after the detection of spinal metastases was 2.8 months and the mean survival was 2.72 months (95% CI 2.59\u20134.85), with a 1-year cumulative survival probability of 2.7% (95% CI 0.51%\u20138.33%). A diagnosis of leptomeningeal disease, present in 53.54% of the patients, was correlated, and significantly worse survival was on log-rank analysis in patients with leptomeningeal disease (p = 0.0046; median survival 2.5 months [95% CI 2\u20133] vs 4.0 months [95% CI 2\u20136]).<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>This study established baseline characteristics of GBMs metastatic to the spinal axis. The prognosis is poor, though these results will provide patients and clinicians with more accurate survival estimates. The quality of studies reporting on this disease pathology is still limited. 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