期刊
JOURNAL OF NEUROSURGERY
卷 132, 期 3, 页码 895-901出版社
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/2018.12.JNS182558
关键词
glioblastoma; oncology; prognosis; supratotal resection; survival
资金
- National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [NRF-2016R1D1A1A09916521]
- Korean Health Technology R&D Project, Ministry of Health & Welfare, Republic of Korea [HI17C2586]
- NRF - Korean government (MSIP: Ministry of Science, ICT and Future Planning) [NRF-2017M2A2A7A01071036]
- Yonsei University College of Medicine [6-2018-0061]
- National Research Foundation of Korea [2017M2A2A7A01071036] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
OBJECTIVE Following resection of glioblastoma (GBM), microscopic remnants of the GBM tumor remaining in nearby tissue cause tumor recurrence more often than for other types of tumors, even after gross-total resection (GTR). Although surgical oncologists traditionally resect some of the surrounding normal tissue, whether further removal of nearby tissue may improve survival in GBM patients is unknown. In this single-center retrospective study, the authors assessed whether lobectomy confers a survival benefit over GTR without lobectomy when treating GBMs in the noneloquent area. METHODS The authors selected 40 patients who had undergone GTR of a histopathologically diagnosed isocitrate dehydrogenase (IDH)-wild type GBM in the right frontal or temporal lobe and divided the patients into 2 groups according to whether GTR of the tumor involved lobectomy, defined as a supratotal resection (SupTR group, n = 20) or did not (GTR group, n = 20). Progression-free survival (PFS), overall survival (OS), and Karnofsky Performance Status (KPS) scores were compared between groups (p <= 0.05 for statistically significant differences). RESULTS The median postoperative PFS times for each group were as follows: GTR group, 11.5 months (95% CI 8.8-14.2) and SupTR group, 30.7 months (95% CI 4.3-57.1; p = 0.007). The median postoperative OS times for each group were as follows: GTR group, 18.7 months (95% CI 14.3-23.1) and SupTR group, 44.1 months (95% CI 25.1-63.1; p = 0.040). The mean postoperative KPS scores (GTR, 76.5; SupTR, 77.5; p = 0.904) were not significantly different. In multivariate analysis, survival for the SupTR group was significantly longer than that for the GTR group in terms of both PFS (HR 0.230; 95% CI 0.090-0.583; p = 0.002) and OS (HR 0.247; 95% CI 0.086-0.704; p = 0.009). CONCLUSIONS In cases of completely resectable, noneloquent-area GBMs, SupTR provides superior PFS and OS without negatively impacting patient performance.
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