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Case Reports
. 2022 Jul 27:9:936259.
doi: 10.3389/fsurg.2022.936259. eCollection 2022.

Hypertrophy of paravertebral muscles after epidural electrical stimulation shifted: A case report

Sipeng Li  1 , Hongtao Rong  1 , Zhenghao Hao  1 , Rui Tan  1 , Haijun Li  1 , Tao Zhu  1
Affiliations
Case Reports

Hypertrophy of paravertebral muscles after epidural electrical stimulation shifted: A case report

Sipeng Li et al. Front Surg. .

Abstract

Epidural electrical stimulation (EES) has been used to improve motor function in patients with chronic spinal cord injury (SCI). The effect of EES on paravertebral muscles in patients with SCI has been unnoticed. We reported a case of paravertebral muscles hypertrophy after the electrode shifted in a patient with spinal cord injury. We also discussed possible mechanistic accounts for this occurs.

Keywords: 18F-fluorodeoxyglucose; case report; epidural electrical stimulation; paravertebral muscles; spinal cord injury.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
(A) Surgical electrode with 16 contacts; (B) Surgical electrode was implanted in the spinal canal; (C) The position of the electrode 6 months after the initial surgery.
Figure 2
Figure 2
The images of paravertebral muscles on PET-CT at 3 and 6 months after surgery. (A) The image of paravertebral muscles on PET-CT at 3 months (white arrows indicates hypertrophic paravertebral muscles); (B) The image of paravertebral muscles on PET-CT at 6 months.
Figure 3
Figure 3
Biopsy of paravertebral muscles. (A) Hematoxylin-Eosin (HE) staining of the left paravertebral muscle, 20× ; (B) HE staining of the right paravertebral muscle, 20×; (C) Nicotinamide adenine dinucleotide tetrazolium oxidoreductase (NADH-TR) staining, 10×; (D) Periodic acid-schiff (PAS) staining, 20×.
See this image and copyright information in PMC

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