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Recent advances and future perspective in neuroimaging in neuropsychiatric systemic lupus erythematosus

Cattedra e UnitàOperativa di Reumatologia, Universitàdegli Studi di Ferrara, Italy

G Castellino

Cattedra e UnitàOperativa di Reumatologia, Universitàdegli Studi di Ferrara, Italy, gabriella_castellino{at}yahoo.it

M Padovan

Cattedra e UnitàOperativa di Reumatologia, Universitàdegli Studi di Ferrara, Italy

M Borrelli

Servizio di Neuroradiologia Arcispedale S. Anna, Ferrara, Italy

F Trotta

Cattedra e UnitàOperativa di Reumatologia, Universitàdegli Studi di Ferrara, Italy

Involvement of the central nervous system (CNS) is one of the most important complications of systemic lupus erythematosus (SLE), occurring in 14-75% of SLE patients. Neurological and psychiatric involvement is mainly manifested as cerebrovascular disease, seizures, cognitive impairment, headaches and psychosis. However, diagnosis of brain involvement in SLE (i.e., neuropsychiatriclupus: NPSLE) as well as understandingof pathogeneticmechanisms still remains a difficult challenge.Althougha wide rangeof neurodiagnostictools have been used in the last decadeto assess CNS involvement, no single technique has proven to be definitive or reliable. Since neurometabolic impairment, neurochemistry and perfusion abnormalities in NPSLE may precede anatomic lesions, new functional techniques such as magnetic resonance spectroscopy, diffusion and perfusion weighted imaging, and magnetization transfer imaging may be useful in order to indentify pathologic changes unrevealed by conventionalimaging. So these new diagnostic tools could modify diagnostic and therapeutic approaches to this major unsolved problem, also shedding some light on the physiopathologyof CNS disease in SLE.

Key Words: central nervous system • neuroimaging • systemic lupus erythematosus

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