Cerebellar ataxia and obstructive hydrocephalus, rare neurologic presentations in patients with systemic lupus erythematosus.

The first cases of systemic lupus erythematosus (SLE) with effects on the nervous system were reported more than 100 years ago. Cerebellar involvement and obstructive hydrocephalus are rarely encountered in patients with SLE. We report two patients with SLE who developed cerebellar ataxia.