Abstract：Objective To study the clinical value of cranial magnetic resonance imaging (MRI) in the diagnosis and treatment of central nervous system candidiasis (CNSC), which has no specific clinical manifestations and has no rapid and specific diagnostic tools. Methods A retrospective analysis was performed on the clinical data of 10 children who were diagnosed with CNSC in Beijing Children's Hospital Affiliated to Capital Medical University between 2009 and 2013. Results Nine of the 10 children underwent cranial MRI within 8 days after admission, and 5 of the 9 children underwent contrast-enhanced MRI at the same time. Eight of the 9 children showed the features of meningoencephalitis, and 6 cases were accompanied by varying degrees of brain atrophy; one case showed hydrocephalus and cerebral abscess, and another case showed leukoencephalopathy. Six cases were found to have the features of cerebral vasculitis after infection in the first MRI after admission, including cerebral infarction (2 cases), venous sinus thrombosis (3 cases), and Moyamoya disease (1 case). Infectious granulomatous lesions were confirmed by contrast-enhanced MRI in 3 cases. Given the clinical manifestations, 8 of the 9 cases were diagnosed as suspected CNSC after MRI, and 7 of these cases received antifungal therapy before the pathogen test results were returned. The lesions on MRI were improved in 6 cases after 3-4 weeks of antifungal treatment. All the 10 children were diagnosed with CNSC by positive cerebrospinal fluid culture results. Conclusions Cranial MRI, especially contrast-enhanced MRI, is of great significance for the diagnosis and treatment of CNSC. To confirm the guidance of MRI in the diagnosis and treatment of CNSC, further case-control studies are needed.
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