Incidence and prevalence of dermatophytosis in and around Chennai, Tamilnadu, India

Vijayakumar, R.; Vijayaraman, Rajyoganandh S; Sudha, R; Kindo, Anupma Jyoti

doi:10.18203/2320-6012.ijrms20160483

Cited by 45 publications

(52 citation statements)

References 5 publications

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“…The other reason may be, this age group people are more social than other age groups, this results spreading of infection among them. This was in concordance with studies done by many workers [23,24] . The gender is also one of the factors influence frequency of distribution among population.…”

Section: Discussionsupporting

confidence: 93%

A Clinico-Mycological Study of Human Dermatophytosis in Chitradurga, Krnataka, India

Aruna¹

2017

JMSCR

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Section: Discussionsupporting

confidence: 93%

A Clinico-Mycological Study of Human Dermatophytosis in Chitradurga, Krnataka, India

Aruna¹

2017

JMSCR

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“…In North Karnataka, in 2016, T mentagrophytes was the predominant species isolated (48.3%) . In a recent study in 2016 from Chennai, South India, Ramaraj et al have obtained 44.75% T mentagrophytes isolates, which was the second most common species next to T rubrum with 48.95%.…”

Section: Discussionmentioning

confidence: 98%

The current Indian epidemic of superficial dermatophytosis due toTrichophyton mentagrophytes—A molecular study

Nenoff¹,

Verma²,

Vasani³

et al. 2019

Mycoses

199

216

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Summary The disease burden of chronic‐relapsing and therapy‐refractory superficial dermatophytosis dramatically increased in India within the past 5‐6 years. In order to evaluate the prevalence of this trend, 201 skin scrapings were collected from patients from all parts of India and were tested for dermatophytes using both fungal culture and a PCR‐ELISA directly performed with native skin scrapings. Fungal culture material was identified by genomic Sanger sequencing of the internal transcribed spacer (ITS) region and the translation elongation factor (TEF)‐1α gene. In total, 149 (74.13%) out of the 201 samples showed a dermatophyte‐positive culture result. Out of this, 138 (92.62%) samples were identified as Trichophyton (T.) mentagrophytes and 11 (7.38%) as Trichophyton rubrum. The PCR‐ELISA revealed similar results: 162 out of 201 (80.56%) samples were dermatophyte‐positive showing 151 (93.21%) T mentagrophytes‐ and 11 (6.79%) T rubrum‐positive samples. In this study, we show for the first time a dramatic Indian‐wide switch from T rubrum to T mentagrophytes. Additionally, sequencing revealed a solely occurring T mentagrophytes “Indian ITS genotype” that might be disseminated Indian‐wide due to the widespread abuse of topical clobetasol and other steroid molecules mixed with antifungal and antibacterial agents.

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“…Gupta et al, Sujatha et al and Ramraj et al in their similar studies also showed male preponderance in tinea infection. [14][15][16] The reason for male preponderance had been explained by Ramraj et al is that, increased outdoor exposure and more physical work results in increased sweating, which favors the growth of dermatophytes. 16 Study done by Garg et al reported that the lower incidence in females might be due to that females report less in dermatology OPD.…”

Section: Discussionmentioning

confidence: 99%

“…[14][15][16] The reason for male preponderance had been explained by Ramraj et al is that, increased outdoor exposure and more physical work results in increased sweating, which favors the growth of dermatophytes. 16 Study done by Garg et al reported that the lower incidence in females might be due to that females report less in dermatology OPD. 17 It may be due to social stigma associated with skin infections among society.…”

Section: Discussionmentioning

confidence: 99%

Clinicomycological study of tinea infections in and around Pune

et al. 2019

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Background: Tinea is a common fungal infection seen in the tropical and subtropical countries affecting the skin and its appendages. The presentation may vary from mild scaling to severe inflammation with bacterial super infection. It may be confused with other manifestation such as psoriasis, seborrhea, drug eruptions, eczema, and contact dermatitis. Hence correct diagnosis is necessary for appropriate treatment, which will reduce morbidity, discomfort and lessens possibility of transmissions. The aims and objectives were to determine clinicomycological profile of Tinea infections in patients attending dermatology OPD of B. J. Govt. Medical College and Sassoon General Hospital, Pune. Methods: Skin scrapings, nail clippings; hair samples from clinically suspected cases of tinea were collected. Identification of dermatophytes from these samples was done by conventional technique. Results: 119 clinically suspected cases of Tinea infections were processed over a period of one year. Out of these cases mixed infection of Tinea cruris with corporis was the predominant (27.73%) clinical presentation. Among all the samples, fungal filaments were seen by KOH mount in 48 (40.33%) whereas 35 (29.41%) samples were confirmed as dermatophytes by culture. Among these 35 isolates of dermatophytes 20 were T. rubrum, 7 isolates were T. tonsurans. 8 isolates were of T. mentagrophytes. Conclusions: In present study mixed infections of tinea cruris with corporis was the predominant clinical presentation and T. rubrum was the most common dermatophyte isolated.

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Incidence and prevalence of dermatophytosis in and around Chennai, Tamilnadu, India

Cited by 45 publications

References 5 publications

A Clinico-Mycological Study of Human Dermatophytosis in Chitradurga, Krnataka, India

A Clinico-Mycological Study of Human Dermatophytosis in Chitradurga, Krnataka, India

The current Indian epidemic of superficial dermatophytosis due toTrichophyton mentagrophytes—A molecular study

Clinicomycological study of tinea infections in and around Pune

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