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[Granulomatous primary central nervous system vasculitis in a child]
Ya-Nan Zhang1, Chang-Hong Ding1, Shu-Hong Ren1
1Department of Neurology, Baoding Hospital Affiliated to Beijing Children's Hospital, Capital Medical University, Baoding, Hebei 071000, China.
Insights
This case report details a rare instance of granulomatous primary central nervous system vasculitis in a child, presenting with seizures and altered consciousness. Prompt diagnosis and treatment with immunosuppressants led to clinical improvement.
Area of Science:
- Neurology
- Pediatrics
- Immunology
Background:
- Central nervous system vasculitis is a rare condition affecting blood vessels in the brain and spinal cord.
- Granulomatous inflammation is a key pathological feature, often presenting with diverse neurological symptoms.
- Pediatric cases are particularly uncommon, posing diagnostic challenges.
Purpose of the Study:
- To report a rare case of granulomatous primary central nervous system vasculitis in a 14-year-old boy.
- To highlight diagnostic findings, including neuroimaging and histopathology.
- To discuss treatment strategies and clinical outcomes in pediatric vasculitis.
Main Methods:
- Case presentation of a 14-year-old male with neurological symptoms.
- Cerebrospinal fluid analysis, cranial MRI with contrast, and susceptibility-weighted imaging.
- Brain biopsy for histopathological examination.
- Review of diagnostic criteria and treatment protocols for CNS vasculitis.
Main Results:
- The patient presented with afebrile seizure and impaired consciousness, preceded by uveitis.
- MRI revealed multiple lesions with enhancement and punctate hemorrhages, suggesting vasculitis.
- Brain biopsy confirmed inflammatory granulomatous lesions.
- No secondary causes of vasculitis were identified.
Conclusions:
- Granulomatous primary central nervous system vasculitis is a rare but treatable cause of neurological dysfunction in children.
- Multimodal diagnostic approaches, including advanced neuroimaging and biopsy, are crucial for diagnosis.
- Early immunosuppressive therapy with methylprednisolone and mycophenolate mofetil can lead to favorable outcomes.
Abstract:
A 14-year-old boy was admitted to the hospital due to a single episode of afebrile seizure and four hours of impaired consciousness. Three months prior to admission, he had a history of bilateral uveitis. Cerebrospinal fluid analysis revealed a mild elevation in white blood cell count. Cranial magnetic resonance imaging and contrast-enhanced scans showed multiple abnormal signals in both cerebral hemispheres, with punctate and nodular enhancement. Susceptibility-weighted imaging revealed multiple punctate hemorrhages within lesions in the bilateral frontal and left parietal lobes, suggestive of vasculitis. Brain biopsy demonstrated inflammatory granulomatous lesions. No secondary causes were identified, and the final diagnosis was granulomatous primary central nervous system vasculitis. The patient's condition improved after treatment with methylprednisolone sodium succinate and mycophenolate mofetil. This report describes a rare case of granulomatous central nervous system vasculitis in a child and provides valuable insights for the diagnosis and treatment of this disease.
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