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[Tinea capitis in Creteil. Trends over ten years]
G Cremer1, N Bousseloua, F Roudot-Thoraval
1Laboratoire de Parasitologie-Mycologie, Hôpital Henri Mondor, Créteil.
Annales De Dermatologie Et De Venereologie
|September 25, 1998
Summary
Epidemiological trends show a rise in tinea capitis cases, particularly among adults, driven by the anthropophilic fungus Trichophyton soudanense. This increase is linked to immigration patterns in a Paris suburban area.
Area of Science:
- Dermatology
- Epidemiology
- Mycology
Background:
- Analysis of tinea capitis (scalp ringworm) epidemiology in a Paris suburban area spanning 11 years (1985-1995).
- Evaluation of trends in fungal infections affecting the scalp.
Purpose of the Study:
- To assess the epidemiological trends of tinea capitis over an 11-year period.
- To identify causative agents and demographic patterns of scalp infections.
Main Methods:
- Retrospective analysis of patient data from a myco-dermatology clinic.
- Inclusion criteria: positive fungal cultures for tinea capitis.
- Data collected: sex, age, ethnic origin, and fungal species identified.
Main Results:
- 336 cases of tinea capitis were recorded, with 56% affecting females.
- Trichophyton soudanense was the most common isolate (45%), with a notable increase in anthropophilic agents.
- A two-fold rise in tinea capitis incidence occurred between 1990-1995 compared to the previous five years.
Conclusions:
- Adult tinea capitis prevalence (11%) exceeded previous reports (5%).
- The rise in T. soudanense, an African-origin fungus, correlates with increased immigration.
- Interpretation of ethnic origin and dermatophyte correlation is complex due to lifestyle and transmission factors.