Annales de dermatologie et de venereologie · 2004
[Nail disease due to Scytalidium in Martinique (French West Indies)].
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Belloeuf L, Boisseau-Garsaud A-M, Saint-Cyr I, Desbois N, Hélénon R, Quénéhervé C, Calès-Quist D, Garsaud P
Аннотация
INTRODUCTION: Scytalidium is an endemic mold in tropical and subtropial areas. Our purpose was to study the prevalence and clinical and epidemiological features of onychomycoses due to Scytalidium in Martinique (French West Indies).
PATIENTS AND METHODS: We performed a prospective study on 106 patients (46 men and 60 women) with clinical onychomycosis, in the dermatological department of the Centre Hospitalier Universitaire of Fort-de-France. All patients underwent mycological sampling and were divided into two groups depending on the presence or not of Scytalidium. Age, sex, localization, clinical aspects, time of duration and environmental factors (place of residence, garden, animals, bare foot walk, immunodepression) were compared between the two groups using chi2, Fisher and Student's t test. Ten control volonteers without clinical onycomycosis underwent mycological sampling.
RESULTS: Onychomycosis due to scytalidium represented 42 p. 100 of patients (Scytalidium hyalinum in 91 p. 100 of cases) and 56 p. 100 after elimination of patients with negative results. Medium age was significantly higher in Scytalidium group (62 versus 54 years; p<0.02). Toe nail was involved in 95 p. 100 of patients (big toe nail in 77 p. 100). Sole involvement was more frequent in Scytalidium group (47 p. 100 versus 14 p. 100; p<0.001). Sampling of controls showed scytalidium in one case.
DISCUSSION: Our study confirmed the endemicity of Scytalidium hyalinum in Martinique and the frequence of sole involvement. Presence of Scytalidium without clinical features in one control is of epidemiological interest, and may explain the frequence of the disease.
PATIENTS AND METHODS: We performed a prospective study on 106 patients (46 men and 60 women) with clinical onychomycosis, in the dermatological department of the Centre Hospitalier Universitaire of Fort-de-France. All patients underwent mycological sampling and were divided into two groups depending on the presence or not of Scytalidium. Age, sex, localization, clinical aspects, time of duration and environmental factors (place of residence, garden, animals, bare foot walk, immunodepression) were compared between the two groups using chi2, Fisher and Student's t test. Ten control volonteers without clinical onycomycosis underwent mycological sampling.
RESULTS: Onychomycosis due to scytalidium represented 42 p. 100 of patients (Scytalidium hyalinum in 91 p. 100 of cases) and 56 p. 100 after elimination of patients with negative results. Medium age was significantly higher in Scytalidium group (62 versus 54 years; p<0.02). Toe nail was involved in 95 p. 100 of patients (big toe nail in 77 p. 100). Sole involvement was more frequent in Scytalidium group (47 p. 100 versus 14 p. 100; p<0.001). Sampling of controls showed scytalidium in one case.
DISCUSSION: Our study confirmed the endemicity of Scytalidium hyalinum in Martinique and the frequence of sole involvement. Presence of Scytalidium without clinical features in one control is of epidemiological interest, and may explain the frequence of the disease.