Two cases of Trichophyton mentagrophytes infection contracted from a hamster and a chinchilla

Y. Hata, Masayuki Amagai, W. Naka, R. Harada, T. Nishikawa

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Abstract

We report two cases of Trichophyton mentagrophytes infection. Case 1: A 10-year-old girl visited Tokyo Electric Power Hospital in June 1994 for evaluation of an erythematous lesion on her head. Three months of topical steroid therapy exacerbated the lesion with pustular formation. Histopathological and mycological examination revealed that the patient had tinea capitis caused by T. mentagrophytes. T. mentagrophytes was also isolated from her pet, a hamster. Case 2: A-14-year-old girl was referred to Shonan Clinic in January 1996 with scaly erythema on her face. She had been treated with neticonazole hydrochloride at another clinic, but the lesion became worse. Direct microscopic examination of the scale was negative at that time, so treatment with topical steroid was started. After 10 days, the lesion was almost cured, but one month later it recurred with an annular distribution. KOH preparation of the scale revealed mycelia and T. mentagrophytes was isolated on culture. T. mentagrophytes was also isolated from her pet, a chinchilla. In both cases, the oral administration of itraconazole at 50 mg/day was effective. The isolated pathogen was identified as Arthroderma vanbreuseghemii with species-specific primers of chitin synthase 1 gene. T. mentagrophytes is one of the most common dermatophytes isolated from man and animals. Rodents like the hamster and the chinchilla have recently become popular as pets in Japan. We should be aware that rodents may carry this kind of fungal pathogen as they become even more popular as pets.

Original languageEnglish
Pages (from-to)269-273
Number of pages5
JournalNihon Ishinkin Gakkai zasshi = Japanese journal of medical mycology
Volume41
Issue number4
Publication statusPublished - 2000

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Chinchilla
Pets
Cricetinae
Arthrodermataceae
Rodentia
Chitin Synthase
Steroids
Tinea Capitis
Itraconazole
Tokyo
Mycelium
antineoplaston A10
Erythema
Oral Administration
Japan
Head
Trichophyton infection
Therapeutics
Genes

ASJC Scopus subject areas

  • Microbiology

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Two cases of Trichophyton mentagrophytes infection contracted from a hamster and a chinchilla. / Hata, Y.; Amagai, Masayuki; Naka, W.; Harada, R.; Nishikawa, T.

In: Nihon Ishinkin Gakkai zasshi = Japanese journal of medical mycology, Vol. 41, No. 4, 2000, p. 269-273.

Research output: Contribution to journalArticle

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