Journal
INTERNATIONAL MEDICAL CASE REPORTS JOURNAL
Volume 14, Issue -, Pages 315-321Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IMCRJ.S307010
Keywords
dystonia type 6; movement disorder; spinal deformity; deep brain stimulation; globus pallidus internus
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This case study discusses the successful treatment of a teenager with DYT6 dystonia and severe scoliosis using GPi DBS, resulting in significant improvement and prevention of spinal deformity and disability. Early diagnosis and timely treatment of dystonia in adolescent patients are important, and careful evaluation of etiology of severe scoliosis, including consideration of dystonia as a differential diagnosis, is recommended. GPi-DBS in patients with DYT6 dystonia can effectively prevent deformity progression.
Purpose: Dystonia type 6 (DYT6) is an autosomal dominant monogenic movement disorder that often involves craniocervical and laryngeal regions, but can in rare circumstance present as trunk dystonia or severe scoliosis. Deep brain stimulation of the globus pallidus internus (GPi-DBS) has yielded favorable results in the treatment of DYT6 patients. This report describes the case of a 14-year-old male adolescent with DYT6 dystonia and severe scoliosis who was successfully treated by GPi DBS. Patients and Methods: The diagnosis of DYT6 dystonia was made after excluding other etiologies and was confirmed by next-generation sequencing. The patient underwent bilateral GPi-DBS implantation surgery under general anesthesia. Results: The patient's Burke-Fahn-Marsden Dystonia Rating Scale score was 24 before surgery and decreased to 13.5 at 3 months, 3 at 6 months, and 2 at 12 months after bilateral GPi-DBS, corresponding to a 91% improvement from baseline to 12 months post-surgery. The patient's scoliosis improved significantly within 6 months after DBS. No complications occurred during surgery. Conclusion: An adolescent DYT6 patient with dystonia-related severe scoliosis was treated by bilateral GPi-DBS. The patient had an excellent outcome at 12 months after surgery, which prevented him from developing severe spinal deformity and disability. Early diagnosis of dystonia in adolescent patients can lead to timely and effective treatment. The etiology of severe scoliosis in adolescents should be carefully evaluated and differential diagnosis including dystonia should be considered. GPi-DBS in patients with DYT6 dystonia can prevent deformity.
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