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Case Report Open Access

Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series

  • Authors:
    • Shaobo Yang
    • Nianhua Wang
  • View Affiliations / Copyright

    Affiliations: Department of Neurosurgery, Changde Hospital, Xiangya School of Medicine, Central South University (The First People's Hospital of Changde City), Changde, Hunan 415000, P.R. China
    Copyright: © Yang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 160
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    Published online on: April 9, 2026
       https://doi.org/10.3892/etm.2026.13155
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Abstract

The present study aimed to describe the surgical technique and to evaluate the clinical feasibility of a percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas. A retrospective case series analysis was conducted using clinical data from six patients treated between January 2019 and December 2021. Demographic characteristics, clinical presentation, tumor location, operative parameters and follow‑up outcomes were reviewed and descriptive statistical analysis was performed. The mean operative time was 130.8±32.9 min (range, 100‑190 min), the mean intraoperative blood loss was 60±32.2 ml (range, 30‑100 ml) and the mean length of hospital stay was 10.5±2.0 days (range, 8‑12 days). In the present small cohort gross total resection was confirmed on postoperative imaging. During a follow‑up period of 38‑60 months, subjective improvement in presenting symptoms was reported, with no radiological evidence of tumor recurrence or clinically apparent spinal instability. As a consequence, the percutaneous cannulated paravertebral approach may be technically feasible in selected patients with small, single‑level intraspinal schwannomas.
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Copy and paste a formatted citation
Spandidos Publications style
Yang S and Wang N: Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series. Exp Ther Med 31: 160, 2026.
APA
Yang, S., & Wang, N. (2026). Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series. Experimental and Therapeutic Medicine, 31, 160. https://doi.org/10.3892/etm.2026.13155
MLA
Yang, S., Wang, N."Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series". Experimental and Therapeutic Medicine 31.6 (2026): 160.
Chicago
Yang, S., Wang, N."Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series". Experimental and Therapeutic Medicine 31, no. 6 (2026): 160. https://doi.org/10.3892/etm.2026.13155
Copy and paste a formatted citation
x
Spandidos Publications style
Yang S and Wang N: Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series. Exp Ther Med 31: 160, 2026.
APA
Yang, S., & Wang, N. (2026). Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series. Experimental and Therapeutic Medicine, 31, 160. https://doi.org/10.3892/etm.2026.13155
MLA
Yang, S., Wang, N."Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series". Experimental and Therapeutic Medicine 31.6 (2026): 160.
Chicago
Yang, S., Wang, N."Efficacy analysis of percutaneous cannulated paravertebral approach for microscopic resection of intraspinal schwannomas: A case series". Experimental and Therapeutic Medicine 31, no. 6 (2026): 160. https://doi.org/10.3892/etm.2026.13155
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