Relapsing Polychondritis Presenting with Meningoencephalitis and Dementia: Correlation with Neuroimaging and Clinical Features.

Purpose: Relapsing polychondritis (RP) is a rare systemic autoimmune disease affecting cartilaginous and non-cartilaginous structures. Neurological involvement is rarer but results in profound disability. Early identification and treatment of underlying RP may promote neurological recovery.