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Year : 1996  |  Volume : 62  |  Issue : 5  |  Page : 336-337

Mycological aspects of dermatomycosis

Correspondence Address:
S Tandon

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Source of Support: None, Conflict of Interest: None

PMID: 20948114

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How to cite this article:
Tandon S, Dewan S P, Mohan U, Kaur A, Malhotr. Mycological aspects of dermatomycosis. Indian J Dermatol Venereol Leprol 1996;62:336-7

How to cite this URL:
Tandon S, Dewan S P, Mohan U, Kaur A, Malhotr. Mycological aspects of dermatomycosis. Indian J Dermatol Venereol Leprol [serial online] 1996 [cited 2020 Feb 26];62:336-7. Available from: http://www.ijdvl.com/text.asp?1996/62/5/336/4451

  To the Editor, Top

Please refer to Letter to the Editor entitled "Mycological aspects of dermatomycosis in Yavatmal (Maharashtra)" by KV Ingole et al. We want to share our observations in a similar study done in our institution during the period January, 1995 to December, 1995.

From 298 clinically diagnosed cases of tinea infections, skin scrapings/nail clippings/hair specimens were examined for the presence of fungal elements by direct microscopic examination in 10% KOH solution. 195 cases (65.43%) were KOH positive and they were further subjected to culture study on Sabouraud's dextrose agar media. 140 cases (71.80%) showed culture growths of pathogenic dermatophytes.

The commonest dermatophyte isolated was Trichophyton rubrum (88 isolates, 62.86%) followed by Trichophyton mentagrophytes (50 isolates, 35.71%), Trichophyton tonsurans (1 isolate, 0.7%) and Epidermophyton floccosum (1 isolate, 0.7%).

Trichophyton rubrum was found to be the main aetiological dermatophyte species responsible for dermatophytoses in our region (62.86%), followed by Trichopyton mentagrophytes (35.71%). This is in confirmity with other published reports.[1]

The various clinical types of tinea infections in the 140 culture positive cases were tinea cruris (42 cases, 30%), tinea unguium (33 cases, 23.57%), tinea corporis (30 cases, 21.43%), tinea buttocks (15 cases, 10.71%), tinea pedis (10 cases, 7.14%), tinea manuum (5 cases, 3.57%), tinea capitis (2 cases, 1.43%), tinea barbae (2 cases, 1.43%) and tinea faciei (1 case, 0.7%). This is also in confirmity with other published studies.[2]

The majority of our patients (23) were active workers [farmers(7), drivers (3), labourers (5) and semiskilled workers (8)] doing strenuous physical work leading to profuse sweating. Most of our patients were wearing tight and synthetic clothes which caused more warmth and moisture of the body. These factors made the body surface suitable for the growth of dermatophytes and led to the high incidence of tinea cruris and tinea corporis cases. The high incidence of tinea unguium in our study might be due to the trauma inflicted to the nails as a result of hard physical work and habit of walking and working barefooted.

  References Top

1.Ranganathan S, Menon T, Sentamil Selvi G, Kamalam A. Effect of socio-economic status on the prevalence of dermatophytosis in Madras. Ind J Dermatol Venereol Leprol 1995;61:16-8.  Back to cited text no. 1    
2.Karmakar S, Kalla G, Joshi KR, Karmakar S. Dermatophytoses in a desert district of Western Rajasthan. Ind J Dermatol Venereol Leprol 1995;61:280-3.  Back to cited text no. 2    


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