Toxoplasma gondii encephalitis in systemic lupus erythematosus. A neglected cause of treatable nervous system infection.

Opportunistic infections are common in patients with systemic lupus erythematosus (SLE) and toxoplasmosis of the brain resembles central nervous system manifestations of active SLE. A case is described that illustrates the clinical and pathological features of this infection with discussion of the diagnostic procedures and treatment.