Surgical Treatment of Feline Gastrointestinal Eosinophilic Sclerosing Fibroplasia in a Cat

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  • TAKAO Koji
    Nogezaka Animal Hospital, Yokohama-shi 231-0064, Japan
  • SAITOH Sachiyo
    Nogezaka Animal Hospital, Yokohama-shi 231-0064, Japan
  • NIBE Kazumi
    Sanritsu Zelkova Laboratory, Kawasaki-shi 213-0032, Japan

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  • 猫の消化管好酸球性硬化性線維増生症の外科的治験例

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A 13-year-old spayed female cat presented for chronic vomiting and weight loss. Ultrasonic examination identified an abdominal mass likely originating from thickened small intestine. Laparotomy revealed a mass involving ileum, cecum, and ascending colon. Affected tissues were resected, followed by end-to-end ileocolic anastomosis. Grossly, an abscess that did not continue to the intestinal lumen was present in the central area of the resected mass, from which Clostridium perfringens was isolated. Histopathologically, the area surrounding the abscess contained dense collagen trabeculae with marked eosinophilic infiltration, enabling diagnosis of feline gastrointestinal eosinophilic sclerosing fibroplasia (FGESF). Chronic vomiting almost resolved after surgery and body weight gradually increased. Administration of predonisolone was continued for 26 months to control mild enteritis. FGESF should be considered as a differential diagnosis for cats with abdominal mass, and treatment by surgical resection should be considered because of the possibility of intralesional bacterial infection.

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