PMC10149141_01
Improvement of the patient's cervical posture following selective peripheral denervation. Neutral cervical posture before the surgery (a) and after the surgery (b).
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Torticollis Rating Scale (TWSTRS) score (range 0-85) was 35 (severity scale, 16/35; disability scale, 10/30; pain scale, 9/20) preoperatively (Fig. 1). 18F-FDG PET/CT was performed to identify dystonic muscles. 18F-FDG (238 MBq) was injected intravenously at rest. During the 6-month follow-up, his TWSTRS score improved to 9 from 35 (Fig. 1).
18F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography axial imaging. The image shows abnormally high FDG uptake in the left obliquus capitis inferior (arrow) (a), right sternocleidomastoideus (dotted arrow), and left splenius capitis (arrow) (b).
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The patient's plasma glucose level was 114 mg/dL. 18F-FDG PET/CT revealed FDG uptake in the left obliquus capitis inferior, right sternocleidomastoideus, and left splenius capitis (Fig. 2). The maximum standardized uptake value for each muscle was 5.92, 2.16, and 4.70, respectively. The left obliquus capitis inferior and left splenius capitis were the main dystonic muscles.