Long-term postoperative outcomes of spinal cellular schwannoma: study of 93 consecutive cases

被引:2
作者
Jia, Qi [1 ]
Lou, Yan [1 ]
Chen, Dingbang [1 ]
Li, Xiaolin [1 ]
Liu, Yiqian [2 ]
Chu, Ruitong [3 ]
Wang, Ting [1 ]
Zhou, Zhenhua [2 ]
Li, Dong [4 ]
Wan, Wei [1 ]
Huang, Quan [1 ]
Yang, Xinghai [1 ]
Wang, Tao [5 ]
Wu, Zhipeng [1 ]
Xiao, Jianru [1 ,6 ]
机构
[1] Naval Med Univ, Changzheng Hosp, Dept Orthoped Oncol, Shanghai, Peoples R China
[2] Naval Med Univ, Changzheng Hosp, Dept Med Ctr, Shanghai, Peoples R China
[3] Naval Med Univ, Changzheng Hosp, Dept Anesthesiol, Shanghai, Peoples R China
[4] Naval Med Univ, Changzheng Hosp, Dept Gen Surg, Shanghai, Peoples R China
[5] Anhui Med Univ, Affiliated Hosp 2, Dept Orthoped, 678 Furong Rd, Hefei, Anhui, Peoples R China
[6] Second Mil Med Univ, Shanghai Changzheng Hosp, Dept Orthoped Oncol, 415 Fengyang Rd, Shanghai, Peoples R China
基金
中国国家自然科学基金;
关键词
Cellular schwannoma; En bloc resection; Recurrence-free survival; Retrospective; Spine; Tumor size; Ki67; NERVE SHEATH TUMORS; RESECTION; FEATURES; ROOT;
D O I
10.1016/j.spinee.2024.01.006
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
BACKGROUND CONTEXT: Cellular schwannoma (CS) is a rare tumor that accounts for 2.8% - 5.2% of all benign schwannomas. There is a dearth of up-to-date information on spinal CS in the literature. PURPOSE: The aims of this study were to identify the proportion of CS cases amongst spinal benign schwannoma, describe the clinical features of spinal CS, and identify prognostic factors for local recurrence by analyzing data from 93 consecutive CS cases. STUDY DESIGN: Retrospective review. PATIENT SAMPLE: We analyzed 93 PSGCT screened from 1,706 patients with spine CS who were treated at our institute between 2008 and 2021. OUTCOME MEASURES: Demographic, radiographic, operative and postoperative data were recorded and analyzed. METHODS: We compared the clinical features of spinal CS from the cervical, thoracic, lumbar and sacral segments. Prognostic factors for local recurrence-free survival (RFS) were identified by the Kaplan-Meier method. Factors with p <= .05 in univariate analysis were subjected to multivariate analysis by Cox regression analysis. RESULTS: The proportion of spinal CS in all benign schwannomas was 6.7%. The mean and median follow-up times for the 93 patients in this study were 92.2 and 91.0 months respectively (range 36 - 182 months). Local recurrence was detected in 11 cases, giving an overall recurrence rate of 11.7%, with one patient death. Statistical analysis revealed that tumor size >= 5 cm, intralesional resection, and Ki-67 >= 5% were independent negative prognostic factors for RFS in spinal CS. CONCLUSIONS: Whenever possible, en bloc resection is recommended for spinal CS. Long -term follow-up should be carried out for patients with tumor size >= 5 cm and postoperative pathological Ki-67 >= 5%. (c) 2024 Elsevier Inc. All rights reserved.
引用
收藏
页码:858 / 866
页数:9
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