Hunner-Type (Classic) Interstitial Cystitis: A Distinct Inflammatory Disorder Characterized by Pancystitis, with Frequent Expansion of Clonal B-Cells and Epithelial Denudation

• Daichi Maeda ,

  Contributed equally to this work with: Daichi Maeda, Yoshiyuki Akiyama

  * E-mail: maeda-tky@umin.ac.jp

  Affiliations Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan

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• Yoshiyuki Akiyama ,

  Contributed equally to this work with: Daichi Maeda, Yoshiyuki Akiyama

  Affiliations Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, Department of Continence Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Teppei Morikawa,

  Affiliation Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Akiko Kunita,

  Affiliation Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Yasunori Ota,

  Affiliation Department of Pathology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan

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• Hiroto Katoh,

  Affiliation Department of Genomic Pathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan

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• Aya Niimi,

  Affiliation Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Akira Nomiya,

  Affiliation Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Shumpei Ishikawa,

  Affiliation Department of Genomic Pathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan

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• Akiteru Goto,

  Affiliation Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan

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• Yasuhiko Igawa,

  Affiliation Department of Continence Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Masashi Fukayama,

  Affiliation Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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• Yukio Homma

  Affiliation Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

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