<i>Sporothrix schenckii</i> isolated from a cat in Japan

Nakamura, Yuka; Sato, Hisaaki; Watanabe, Shinichi; Takahashi, Hiroyuki; Koide, Kei; Hasegawa, Atsuhiko

doi:10.1111/j.1439-0507.1996.tb00114.x

Cited by 28 publications

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“…The treatment was not effective, however, and the lesion recurred. The lesion disappeared after oral administration of ketoconazole [8]. Another report revealed improvement by oral administration of 20% potassium iodide [4].…”

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“…Sporotrichosis can be divided into three clinical forms: cutaneolymphatic, cutaneous, and disseminated [3]. In Japan there have been many cases of sporotrichosis in humans, but only one case report of feline sporotrichosis [8].This case was a 2-year-old male mongrel house cat with free outdoor access, weighing 5.4 kg, which had been treated for skin abscesses. This cat was referred to Gifu University Teaching Animal Hospital with a subcutaneous nodule on the right hind leg, which had gradual growth.…”

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“…In Japan there has been only one report of feline sporotrichosis [8]. If mycosis was suspected, it had to be diagnosed definitively on the basis of histopathological, mycological and molecular examinations.…”

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A Case of Feline Sporotrichosis

Hirano

Watanabe

Murakami

et al. 2006

The Journal of Veterinary Medical Science

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ABSTRACT. We excised surgically a feline granulomatous lesion and performed histopathological, mycological and molecular examinations. As a result, it was diagnosed as sporotrichosis, which was the second recorded case of a cat so afflicted in Japan. After the operation, we recognized another nodule on the lymph node. Histopathological examination was therefore performed, but no fungi were detected. To prevent recurrence, the cat was administered a antimycotic drug, itraconazole. As a result, no recurrence was found. Excision of the lesion is the treatment of choice for feline sporotrichosis. KEY WORDS: feline, itraconazole, sporotrichosis.J. Vet. Med. Sci. 68(3): 283-284, 2006 Fungi are widespread in the environment and not usually harmful to healthy animals. However, the number of mycosis cases has recently increased in animals in which the immunity has been decreased by antineoplastic drugs or immunosuppressive drugs. A report has indicated the zoonotic potential of some animal fungi around the world [9]. Sporotrichosis is caused by the dimorphic fungus, Sporothrix schenckii. There have been many reports of infections in horses, cats and humans [2,5,7]. Sporothrix schenckii is isolated from soils, sphagnum moss and tree bark. It infects animals and humans through a puncture wound. Sporotrichosis can be divided into three clinical forms: cutaneolymphatic, cutaneous, and disseminated [3]. In Japan there have been many cases of sporotrichosis in humans, but only one case report of feline sporotrichosis [8].This case was a 2-year-old male mongrel house cat with free outdoor access, weighing 5.4 kg, which had been treated for skin abscesses. This cat was referred to Gifu University Teaching Animal Hospital with a subcutaneous nodule on the right hind leg, which had gradual growth. The cat was in good general condition. A nodule was recognized near the main pad on the right hind leg. We excised it surgically under general anesthesia. The nodule, 18 × 15 × 6 mm in size, was brown and smooth, and was well-demarcated (Fig. 1). The histopathological finding indicated many yeast-like cells with granulomatous inflammation (Fig. 2), so culture and molecular examinations were performed for the biopsy material from the nodule. As a result, the isolate was identified as S. schenckii. And the case was diagnosed as sporotrichosis by S. schenckii-specific polymerase chain reaction analyses, too [6].Nine days after the operation, we recognized another nodule on the right popliteal lymph node. We excised it surgically, but no fungi were detected in it. According to the diagnosis of sporotrichosis, 34 days after the operation, the cat was administered itraconazole (15 mg/kg once daily, per os) to avoid recurrences. After 50 postoperative days, we also recognized another nodule on the left popliteal lymph node, and performed a fine needle aspiration biopsy because there was a possibility of metastasis. However it was not diagnosed. At 69 days postoperation, the left popliteal lymph node showed a slight decrease in size, but the ...

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A Case of Feline Sporotrichosis

Hirano

Watanabe

Murakami

et al. 2006

The Journal of Veterinary Medical Science

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“…Infection generally occurs by fungal implantation into the skin through trauma and is usually associated with certain leisure and occupational activities such as floriculture, agriculture, mining and wood exploitation 1 . Some studies have suggested that exposure of intact skin or skin with superficial trauma to a large fungal inoculum may also result in infection 2–4 . Less frequently, inhalation of conidia can result in the pulmonary and systemic forms of the disease.…”

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confidence: 99%