Phaeohyphomycotic Cyst Caused by Colletotrichum crassipes

Author:

Martins Castro Luiz Guilherme1,da Silva Lacaz Carlos23,Guarro Josep45,Gené Josepa45,Heins-Vaccari Elisabeth Maria23,de Freitas Leite Roseli Santos23,Hernández Arriagada Giovana Letı́cia23,Ozaki Reguera Márcia Maria1,Ito Eunice Miki1,Valente Neusa Yuriko Sakai1,Spina Nunes Ricardo1

Affiliation:

1. Serviço de Dermatologia1 do Hospital das Clı́nicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil, and

2. Laboratório de Micologia Médica do Instituo de Medicina Tropical de São Paulo,2

3. Laboratório de Micologia Médica (LIM-53)3 and

4. Unitat de Microbiologia, Departament de Ciències Mèdiques Bàsiques, Facultat de Medicina i Ciències de la Salut, 43201 Reus,4 and

5. Institut d'Estudis Avançats,5 Universitat Rovira i Virgili, Tarragona, Spain

Abstract

ABSTRACT A case of phaeohyphomycosis is reported in a male renal transplant recipient with a nodular lesion in the right leg who was treated with immunosuppressing drugs. The lesion consisted of a purulent cyst with thick walls. The cyst was excised surgically, and the patient did not receive any antifungal therapy. One year later he remains well. Histological study of the lesion showed a granulomatous reaction of epithelioid and multinucleate giant cells, with a central area of necrosis and pus. Fontana-Masson staining demonstrated the presence of pigmented hyphal elements. The fungus Colletotrichum crassipes was grown in different cultures from the cyst. The in vitro inhibitory activities of eight antifungal drugs against the isolate were tested. Clotrimazole and UR-9825 were the most active drugs. This case represents the first known reported infection caused by this rare species.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference14 articles.

1. Hyalohyphomycosis and phaeohyphomycosis: two global disease entities of public health importance;Ajello L.;Eur. J. Epidemiol.,1986

2. Bailey J. A. Jegger M. J. Colletotrichum: biology pathology and control. 1992 CAB International Wallingford U.K

3. Morphology and taxonomy of South African isolates of Colletotrichum;Baxter A. P.;S. Af. J. Bot.,1983

4. De Hoog G. S. Guarro J. Gené J. Figueras M. J. Atlas of clinical fungi 2nd ed. 2000 Centraalbureau voor Schimmelcultures Utrecht The Netherlands

5. Subcutaneous Hyalohyphomycosis Caused by Colletotrichum gloeosporioides

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