MOG and demyelinating disease of central nervous system: In order to gain a deeper understanding of the clinical manifestations, imaging features, and prognoses of MOGAD in Chinese children, the clinical data of MOG-Ab-positive and MOG-Ab-negative children with demyelinating central nervous system (CNS) diseases who were treated in our hospital from January 2017 to October 2021 were retrospectively collected and analyzed in this study, with the aim of improving the understanding of the disease and the ability of doctors to diagnose and treat MOGAD in Chinese children.