Pediatric neurology · 2023
Clinical and Radiologic Features Among Children With Myelin Oligodendrocyte Glycoprotein Antibody-Associated Myelitis.
СтатьяНазвание и аннотация: Перевод в очереди
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Ren Changhong, Zhang Weihua, Zhou Anna, Zhou Ji, Cheng Hua, Tang Xiaolu, Fang Fang, Ren Xiaotun
Аннотация
BACKGROUND: Myelin oligodendrocyte glycoprotein (MOG) antibody-associated disease (MOGAD) often manifests as optic neuritis, transverse myelitis(TM), and acute disseminated encephalomyelitis. Patients with a TM phenotype are at high risk for neurological sequelae, so recognizing the characteristics of MOG-IgG myelitis is essential for early, accurate diagnosis and treatment.
METHODS: This was a single-center retrospective study. Pediatric MOG antibody-associated disease patients who had clinical myelitis were recruited for this study. Data on clinical and radiologic features and outcomes were retrospectively collected.
RESULTS: Thirty-four patients (age range: 6 months to 13 years; median age, 7 years; female, 16) were enrolled in this study. As one patient had two clinical episodes of myelitis, 35 episodes were included. Isolated transverse myelitis was the initial manifestation in 28 (82%) patients. The most frequent clinical features of MOG-IgG myelitis were weakness and neurogenic bladder, and 80% were better than wheelchair-dependent at the nadir. There was a high presentation of weakness (91%), bowel/bladder dysfunction (63%), and sensory dysfunction (46%), and 80% were better than wheelchair-dependent at the nadir. In addition, seven patients (20%) had radicular pain, and six had flaccid areflexia. Magnetic resonance imaging features were often longitudinally extensive (63%) and prominently involved gray matter (H-sign) (63%), accompanied by leptomeningeal enhancement (4/14.29%) and spinal root enhancement (6/14.43%). At the final follow-up (median, 28 months; range, 8-109 months), 10 patients (29%) had developed one or more relapses, spinal cord lesions resolved entirely in 11 of 22 children (50%), and none had appreciable spinal cord atrophy. At the final follow-up, most patients had favorable outcomes, with median (interquartile range) Expanded Disability Status Scale scores of 0 (range, 0-2), four patients (12%) had sphincter dysfunction, and one patient had gait problems.
CONCLUSIONS: Pediatric MOG-IgG myelitis clinically presents with weakness and bowel and bladder dysfunctions. Prominent involvement of the gray matter, leptomeningeal enhancement, and spinal root enhancement are common in pediatric MOG-IgG myelitis.
METHODS: This was a single-center retrospective study. Pediatric MOG antibody-associated disease patients who had clinical myelitis were recruited for this study. Data on clinical and radiologic features and outcomes were retrospectively collected.
RESULTS: Thirty-four patients (age range: 6 months to 13 years; median age, 7 years; female, 16) were enrolled in this study. As one patient had two clinical episodes of myelitis, 35 episodes were included. Isolated transverse myelitis was the initial manifestation in 28 (82%) patients. The most frequent clinical features of MOG-IgG myelitis were weakness and neurogenic bladder, and 80% were better than wheelchair-dependent at the nadir. There was a high presentation of weakness (91%), bowel/bladder dysfunction (63%), and sensory dysfunction (46%), and 80% were better than wheelchair-dependent at the nadir. In addition, seven patients (20%) had radicular pain, and six had flaccid areflexia. Magnetic resonance imaging features were often longitudinally extensive (63%) and prominently involved gray matter (H-sign) (63%), accompanied by leptomeningeal enhancement (4/14.29%) and spinal root enhancement (6/14.43%). At the final follow-up (median, 28 months; range, 8-109 months), 10 patients (29%) had developed one or more relapses, spinal cord lesions resolved entirely in 11 of 22 children (50%), and none had appreciable spinal cord atrophy. At the final follow-up, most patients had favorable outcomes, with median (interquartile range) Expanded Disability Status Scale scores of 0 (range, 0-2), four patients (12%) had sphincter dysfunction, and one patient had gait problems.
CONCLUSIONS: Pediatric MOG-IgG myelitis clinically presents with weakness and bowel and bladder dysfunctions. Prominent involvement of the gray matter, leptomeningeal enhancement, and spinal root enhancement are common in pediatric MOG-IgG myelitis.