Tumor-like Cerebral Perivasculitis in a Pediatric Patient with Systemic Lupus Erythematosus

Nervous system manifestations are present in up to 70% of patients with systemic lupus erythematosus (SLE). The spectrum of clinical symptoms varies widely, from severe, life-threatening symptoms at presentation, such as transverse myelitis, to symptoms of more subtle and subclinical abnormalities of neurocognitive function. We report the case of a 14-year-old patient with SLE and lupus nephritis under regular steroid therapy, who had a sudden onset of consciousness change. Brain magnetic resonance imaging showed a huge mass lesion. After surgical decompression and corticosteroid pulse therapy, the patient's neurologic symptoms improved dramatically. Brain biopsy revealed perivasculitis of the brain with marked perivascular infiltration of eosinophils, macrophages, and neutrophils. Microhemorrhage was also evident. The patient recovered without obvious neurologic sequelae.

Key Words:  central nervous system , magnetic resonance imaging , systemic lupus erythematosus

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