Medical Mycology Journal
Online ISSN : 2186-165X
Print ISSN : 2185-6486
Original Articles
A Patient with Cystic Granuloma Trichophyticum who Required Surgical Resection
Takehiko KanekoMichiyo Kaneko
ジャーナル フリー

58 巻 (2017) 1 号 p. E29-E32

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A 62-year-old male with numerous subcutaneous nodules in the lower extremities was referred to The University of Tokyo Hospital. The patient suffered from systemic lupus erythematosus (SLE), diabetes mellitus, and persisting hepatic dysfunction, and had been treated for SLE with oral prednisolone 20 mg/day and oral cyclosporine 3 mg/kg/day. The culture of scales collected from the patient’s skin surface on Sabouraud’s dextrose agar medium showed features of Trichophyton rubrum. Topically applied bifonazole cream was effective for tinea corporis, but oral griseofulvin 500 mg/day was discontinued after 2-month administration because of deteriorated liver function. All the nodules were resected surgically. Histologically, resected granulomas showed dermal abscesses that were tightly encapsulated by fibrous capsules. Grocott staining revealed numerous fungal elements within abscesses. The patient’s condition indicated the need to perform histopathological examination of granuloma trichophyticum in order to determine whether it is tightly encapsulated. Namely, the presence of cystic granuloma trichophyticum with abscesses encapsulated by fibrous capsules suggested that the patient should be treated by surgical resection of the lesions.

© 2017 The Japanese Society for Medical Mycology
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