Pathology : Feline Epidermal Nevi Resembling Human Inflammatory Linear Verrucous Epidermal Nevus

  • SATO Masafumi
    AC Plaza Kariya Animal Hospital AC Plaza Kariya Animal Hospital, 5–20–2 Morishita, Koto-ku, Tokyo 135–0004, Japan
  • KARIYA Kazuhiro
    AC Plaza Kariya Animal Hospital AC Plaza Kariya Animal Hospital, 5–20–2 Morishita, Koto-ku, Tokyo 135–0004, Japan
  • MATSUMOTO Munetaka
    AC Plaza Kariya Animal Hospital AC Plaza Kariya Animal Hospital, 5–20–2 Morishita, Koto-ku, Tokyo 135–0004, Japan
  • ITOH Miyuki
    Laboratory of Veterinary Pathology, Division of Pathological Science, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine Laboratory of Veterinary Pathology, Division of Pathological Science, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080–8555, Japan
  • KOBAYASHI Yoshiyasu
    Laboratory of Veterinary Pathology, Division of Pathological Science, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine Laboratory of Veterinary Pathology, Division of Pathological Science, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080–8555, Japan
  • NISHIFUJI Koji
    Laboratory of Veterinary Internal Medicine, Tokyo University of Agriculture and Technology Laboratory of Veterinary Internal Medicine, Tokyo University of Agriculture and Technology, 3–5–8 Saiwai-cho, Fuchu, Tokyo 183–8509, Japan
  • KAMIIE Junichi
    Laboratory of Veterinary Pathology, School of Veterinary Medicine, Azabu University Laboratory of Veterinary Pathology, School of Veterinary Medicine, Azabu University, 1–17–71 Fuchinobe, Chuo-Ku, Sagamihara, Kanagawa 252–5201, Japan
  • SHIROTA Kinji
    Laboratory of Veterinary Pathology, School of Veterinary Medicine, Azabu University Laboratory of Veterinary Pathology, School of Veterinary Medicine, Azabu University, 1–17–71 Fuchinobe, Chuo-Ku, Sagamihara, Kanagawa 252–5201, Japan

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タイトル別名
  • Feline Epidermal Nevi Resembling Human Inflammatory Linear Verrucous Epidermal Nevus

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抄録

Multiple, pigmented, verrucous, cutaneous lesions in a 2-year-old female cat were pathologically examined. The lesions were linearly arranged on the right side of the body, and had developed along with moderate pruritus since infancy. Histologically, prominent exophytic, papillomatous outgrowths of the epidermis and acanthosis with intense ortho and parakeratotic hyperkeratosis were characteristic of the lesions. Dermal inflammation with mononuclear cells, neutrophils, and eosinophils was also noted. Inclusion bodies, cellular degeneration, and intranuclear viral particles suggesting papillomavirus infection in the keratinocytes were not observed. Papillomavirus antigen and DNA were not detected in the lesions by immunohistochemistry and polymerase chain reaction, respectively. In accordance with these clinical and histopathological features, the cutaneous lesions of the present cat were diagnosed as epidermal nevi, which were consistent with human inflammatory linear verrucous epidermal nevi.

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