Recurrent Pemphigus Foliaceus in Horse: A Case Report

Document Type : Case report

Authors

1 Assistant professor, Department of Clinical Sciences, Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran

2 Professor, Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran

3 Assistant Professor, Department of Pathobiology, Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran

4 Associate Professor, Department of Clinical Sciences, Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran

5 Associate Professor, Department of Pathobiology, Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran

Abstract

    An 8-year-old crossbred thoroughbred chestnut stallion was suspected to an autoimmune mediated skin disease based on history, clinical observations, microbiological and clinicopathologically findings. The clinical signs disappeared completely after five weeks of treatment with PO prednisolone. However, approximately eight months later, the lesions recurred in a more severe form. There was no improvement despite the repeating previous treatment by horse's owner; therefore, oral azathioprine was added to prednisolone after skin biopsy. A significant therapeutic effect was observed by this combination, however; the use of azathioprine was discontinued after fifteen days due to diarrhea, while prednisolone continued for another week. After improvement of the symptoms, oral prednisolone was also stopped with a decreasing trend. Vesiculobullous to pustular lesions with acantholytic characteristic of the stratum corneum and stratum granulosum of epidermis were the histopathological findings, characteristics of pemphigus foliaceus. This is the first reported case of recurrent pemphigus foliaceus in Iran.

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References

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Iranian Veterinary Journal
Volume 19, Issue 3 - Serial Number 80
December 2023
Pages 96-101

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