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1. Department of Radiology, Kinki University School of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, 589-8511, Japan 2. Department of Neurology, Kinki University School of Medicine, Osaka-Sayama, Japan 3. Department of Dermatology, Kinki University School of Medicine, Osaka-Sayama, Japan
文摘
Relapsing polychondritis is a rare autoimmune disease characterized by recurrent inflammation of cartilage in multiple sites of the body, including the auricles. Central nervous system involvement appears rare. We encountered a case of relapsing polychondritis with encephalitis that could be diagnosed by the unique appearance of the auricle with signal hyperintensity on diffusion-weighted magnetic resonance imaging.