THE PERFECT STATE OE <i>TRICHOPHYTON VIOLACEUM</i>

Taha, Mohamed; Amer, Mohamed A.; Salem, Amira; Harras, Mona

doi:10.1111/j.1365-4362.1994.tb02862.x

Cited by 8 publications

(4 citation statements)

References 16 publications

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“…M. canis was responsible for most cases in this study followed by M. audouinii (52% and 36% respectively). Earlier studies in Egypt reported that T. violaceum was the most common isolated organism and in some studies was the only isolated dermatophyte causing tinea capitis ( Table 4 ) 12 13 17 19 20 21 . It seems that there is an epidemiological change regarding the etiological agent in our region.…”

Section: Discussionmentioning

confidence: 97%

Changing in the Epidemiology of Tinea Capitis among School Children in Egypt

et al. 2017

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BackgroundTinea capitis remains a prevalent health problem among school-aged children.ObjectiveTo estimate the prevalence of tinea capitis among primary school students, in Fayoum, Egypt with identification of etiological agents in both public and private primary schools.MethodsA cross-sectional study was conducted in twelve primary schools. The students were selected from different grades with a total number of 12,128 students. Hair and scalp were clinically examined for any lesions that may suspect tinea capitis and mycological samples were collected for direct microscopy and culture.ResultsThe prevalence of tinea capitis in the study group was 0.4% and higher in public than private schools (73.5% versus 26.5% respectively). Boys were more affected than girls with boy to girls' ratio 5:1. Intrafamily history of infection was present in 40.8% of tested group while 51% showed low social standard profile. Mycological culture revealed that Microsporum canis was the predominant isolated organism followed by M. audouinii (52% and 36% respectively).ConclusionM. canis is replacing Trichophyton violaceum as an etiology for tinea capitis in Egypt with lower prevalence rate than reported previously.

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Section: Discussionmentioning

confidence: 97%

Changing in the Epidemiology of Tinea Capitis among School Children in Egypt

et al. 2017

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“…In Kenya it is the second agent after Microsporum audouinii [6]. Trichophyton violaceum is one of the main agents of epidermomycosis in Egypt [7] and South Africa [8]. In many of these countries, schoolchildren and mothers are healthy carriers.…”

Section: Discussionmentioning

confidence: 99%

Dermatophytosis due to Trichophyton violaceum in Tuscany from 1985 to 1997

Romano¹,

Massai²,

Difonzo³

2000

Mycoses

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We describe 45 cases of dermatophytosis due to Trichophyton violaceum diagnosed in Tuscany from 1985 to 1997. Diagnosis was based on direct microscope mycological examination and culture. Nine of the 45 patients were Italian, eight of whom were born and resident in Tuscany; the others were Africans who contracted the infection in their country of origin. The first case in a non-European was observed in 1985, but since 1991 isolation from foreigners has become more frequent. The increase in cases of infection by T. violaceum in our region is certainly linked to immigration. The cases of epidermomycosis in Tuscans suggests that the fungus has already become autochthonous.

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“…T. violaceum has been reported as the most common pathogen in north Africa (Egypt and Libya), east Africa (Ethiopia), the Middle East (Iraq and Jordan) and the Far East (Pakistan and India) 2–10 . The fungus also persists in many other countries of Middle East and Africa, i.e.…”

Section: Discussionmentioning

confidence: 99%

“…Trichophyton violaceum infections are endemic in eastern Europe, in some regions of Africa mainly in the north, in the Middle East and the Far East 1–10 . On the contrary, the incidence rate of T. violaceum infections in north‐western Europe and North America is very low and isolates are restricted mainly to immigrants from countries where the infection is endemic 11–13 …”

Section: Introductionmentioning

confidence: 99%

Superficial mycoses due to Trichophyton violaceum in Athens, Greece: a 15‐year retrospective study

Frangoulis

Papadogeorgakis

Athanasopoulou

et al. 2005

Mycoses

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This is a retrospective study on the superficial mycoses due to Trichophyton violaceum in the greater Athens area for the last 15 years - 1989-2003. During this period 104 patients were found to have an infection due to T. violaceum- an incidence rate of 0.75% of all dermatophytosis. Of the patients 59 were Greeks, 15 Greek Gypsies and 30 immigrants mostly from Albania (50%). Of them 58 were children, 46 adults (mainly women, 34 cases). Trichophyton violaceum infection was presented with a variety of manifestations (127 cases). The prevailing was tinea capitis present in 85 patients - 57 children, 24 women and four men (women : men 6 : 1). Tinea capitis together with other forms of the infection was found in 14 patients. Tinea facie, corporis, manuum, barbae and unguium were seen in nineteen patients. The isolation rate of T. violaceum infection in the Greek population remained at a low level for three decades after the mid-1960s. However, a substantial increase in the isolation rate is observed in the mid-1990s attributed mainly to the influx of economic immigrants from countries where the infection is endemic.

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THE PERFECT STATE OE TRICHOPHYTON VIOLACEUM

Abstract: This is the first report on the production of the perfect (sexual) state of T. violaceum. Details of the ascogenous form of this dermatophyte should be studied in the future.

Cited by 8 publications

References 16 publications

Changing in the Epidemiology of Tinea Capitis among School Children in Egypt

Changing in the Epidemiology of Tinea Capitis among School Children in Egypt

Dermatophytosis due to Trichophyton violaceum in Tuscany from 1985 to 1997

Superficial mycoses due to Trichophyton violaceum in Athens, Greece: a 15‐year retrospective study

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