Systemic lupus erythematosus due to C1q deficiency with progressive encephalopathy, intracranial calcification and acquired moyamoya cerebral vasculopathy

We report a female with infantile onset of systemic lupus erythematosus secondary to C1q deficiency, in whom we identified a novel homozygous mutation in C1qB. The patient developed a progressive encephalopathy associated with spasticity, and suffered several arterial ischaemic strokes. Cerebral ima...

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