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Radiation Medicine

, Volume 26, Issue 7, pp 438–441 | Cite as

“Prominent ear sign” on diffusion-weighted magnetic resonance imaging in relapsing polychondritis

  • Masatomo Kuwabara
  • Taro Shimono
  • Mami Toyomasu
  • Mitsuaki Shioyama
  • Yoshiyuki Mitsui
  • Eiji Yoshinaga
  • Akira Kawada
  • Makoto Hosono
  • Takamichi Murakami
  • Susumu Kusunoki
Case Report

Abstract

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.

Key words

Relapsing polychondritis Magnetic resonance imaging Diffusion-weighted imaging 

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Copyright information

© Japan Radiological Society 2008

Authors and Affiliations

  • Masatomo Kuwabara
    • 1
  • Taro Shimono
    • 1
  • Mami Toyomasu
    • 2
  • Mitsuaki Shioyama
    • 2
  • Yoshiyuki Mitsui
    • 2
  • Eiji Yoshinaga
    • 3
  • Akira Kawada
    • 3
  • Makoto Hosono
    • 1
  • Takamichi Murakami
    • 1
  • Susumu Kusunoki
    • 2
  1. 1.Department of RadiologyKinki University School of MedicineOsaka-SayamaJapan
  2. 2.Department of NeurologyKinki University School of MedicineOsaka-SayamaJapan
  3. 3.Department of DermatologyKinki University School of MedicineOsaka-SayamaJapan

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