Household cluster of tinea capitis caused by Trichophyton violaceum in Brazil.
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Three cases of scalp involvement by M. canis in infants are briefly reported. The first was a 2-month-old female with a few erythematous spots on the scalp, the second an 8-month-old male with lesions resembling seborrhoeic dermatitis and the third an 11-month-old male having areas of folliculitis of a kerion type. The father of the second case was found to have a tinea barbae infection due to the same fungus. Stray kittens were the most probable source of infection in all these cases.
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In Bangui (Central African Republic) an epidemiological survey making use of cluster sampling has been performed. Prevalence rate is not very high in Bangui (3.4%). Boys are more infected than girls. Both in rural and urban area prevalence rates are decreasing with age. Microsporum langeronii has been identified in 98% of case.
A simple one-step, office technique for the identification of superficial mycoses is presented. Buffered acridine orange is used as a supravital stain for direct examination of specimens under a fluorescence microscope. Neither prior treatment with potassium hydroxide, nor tissue fixation is required. Results usually can be obtained in less than five minutes. Extensive training in use of the microscope is not required.
An account is given of the increase in incidence of scalp ringworm seen in London school children over a twelve year period. The increase was accompanied by the isolation of a greater variety of species of dermatophytes some of which are not indigenous to Britain, such as Trichophyton soudanense. Four main radical groups of children were investigated and the distribution of the fungi causing scalp infections among them determined.
Scalp ringworm is very uncommon in adults. The occurrence and the atypical clinical course of this unusual dermatophytosis in a female renal transplant recipient are described. Furthermore, the prevalence and the clinical features of superficial fungal infection in renal transplant recipients are reviewed. As immunosuppression enhances the risk of antifungal therapy failure, more prolonged treatment and careful follow-up are necessary to obtain complete recovery from any dermatophytosis in renal transplant recipients.