Patients with systemic lupus erythematosus (SLE) may present with a wi
de array of neuropsychiatric (NP) clinical features. This may either b
e a primary manifestation of SLE, the result of a complication of the
disease or its therapy, or a concurrent disease process. As there is n
o single diagnostic gold standard for NP-SLE, the assessment of indivi
dual patients is heavily dependent upon clinical evaluation in additio
n to information from studies of autoantibodies, brain structure and f
unction. Despite their lack of diagnostic sensitivity and specificity,
these tests frequently provide information that can be used to suppor
t or refute the clinical impression. They may also provide a basis for
the prospective evaluation of the efficacy of therapeutic interventio
ns in individual patients with NP-SLE.