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Exfoliative dermatitis in a cat
  1. Zijin Zhou1,
  2. Jason B Pieper1 and
  3. Adam Wayne Stern2
  1. 1Department of Veterinary Medicine and Surgery, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
  2. 2Department of Anatomic Pathology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
  1. Correspondence to Dr Jason B Pieper, jpieper{at}


Feline exfoliative dermatitis is a rare skin disorder that is characterised by diffuse scaling and alopecia. The condition has been associated with thymomas but has been described without a thymoma. This article describes a case of feline exfoliative dermatitis with a cranial mediastinal mass suspected to be a thymoma that was seen at the University of Illinois Veterinary Teaching Hospital. The cat presented with previously described clinical lesions, alopecia and large adherent scales, but also had a marked leucocytosis characterised mainly with a lymphocytosis. The final diagnosis was achieved based on histopathology in conjunction with imaging.

  • Dermatology
  • Dermatopathology
  • Neoplasia
  • Cats
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  • Contributors All authors included have contributed substantially to the gathering and interpretation of data, drafting and revision of the article, and final approval of the submitted article.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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