The Japanese Journal of Veterinary Dermatology
Online ISSN : 1881-2236
Print ISSN : 1347-6416
ISSN-L : 1347-6416
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Volume 29, Issue 1
Displaying 1-3 of 3 articles from this issue
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Case Report
  • Deep pyogranulomatous folliculitis found on the bilateral heels of a cat by an histopathological examination
    Daisuke Kojima, Kyoko Kojima, Yoshihiko Kojima
    2023 Volume 29 Issue 1 Pages 3-7
    Published: 2023
    Released on J-STAGE: March 14, 2023
    DOIhttps://doi.org/10.2736/jjvd.29.3
    JOURNAL FREE ACCESS
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    An eleven-month-old castrated Japanese cat presented with hemorrhage and ulcer in the bilateral calcaneal regions. A histopathologic examination suggested cystic expansion of infundibular hair follicles that were filled with cuticles and a few fragments of hair roots. Non-permanent hair roots in the deep dermis were fragmented, and neutrophils, macrophages and multinucleated giant cells had infiltrated diffusely, forming a large granulomatous lesion in the subcutaneous tissues. The cytoplasm of a few multinucleated giant cells included fragments of hair roots. In residual follicles, dehiscence of epithelial hair follicles and infiltration of inflammatory cells as described above were observed.

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