[Clinical features of children with myelin oligodendrocyte glycoprotein antibody-associated disorders].

Objective: To study the clinical features and treatment outcome of children with myelin oligodendrocyte glycoprotein (MOG) antibody-associated disorders (MOGAD).
Methods: A retrospective analysis was performed for the clinical data of 28 children with MOGAD (with 38 demyelinating episodes).
Results: Among the disease spectrums of 28 children with MOGAD, optic neuritis was the most common (12 cases, 43%), followed by acute disseminated encephalomyelitis (9 cases, 32%). Among the 38 demyelinating episodes in the 28 children, there were 29 cases (76%) of lesions in the acute stage on head magnetic resonance imaging (MRI), and most of these lesions were extensive or isolated subcortical white matter lesions. A total of 24 cases of spinal MRI results in the acute stage were recorded, among which there were 11 cases (46%) of spinal lesions. MRI abnormalities of the optic nerve were found in 18 cases of optic neuritis in the acute stage. Of the 28 children, 20 (71%) had an increase in white blood cell count in cerebrospinal fluid, with lymphocytes as the most common type of cells, and 3 children had an increase in protein. The titer of serum MOG antibody was 1:10-1:320 in the 28 children. All 28 children were administered with glucocorticoids, along with immunoglobulin in 18 children. The symptoms of 26 children (93%) were alleviated during follow-up, and only 2 children had neurological sequela of the optic function.
Conclusions: The clinical manifestations are diverse in children with MOGAD. Immunotherapy is effective and most children have a good prognosis.