Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India

Background: Chronic dermatophytosis refers to persistent or recurrent episodes of dermatophytosis lasting for more than 1 year despite adequate treatment with topical and systemic antifungal agents. The rise in the number of these cases is alarming over the past 5 to 6 years, and a thorough knowledg...

Full description

Bibliographic Details
Main Authors: Remya Rajamohanan, Renu Raj, Janaki Chellam, Madhu Rengasamy
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2021-01-01
Series:Indian Journal of Dermatology
Subjects:
Online Access:http://www.e-ijd.org/article.asp?issn=0019-5154;year=2021;volume=66;issue=4;spage=445;epage=445;aulast=Rajamohanan
_version_ 1818911110473973760
author Remya Rajamohanan
Renu Raj
Janaki Chellam
Madhu Rengasamy
author_facet Remya Rajamohanan
Renu Raj
Janaki Chellam
Madhu Rengasamy
author_sort Remya Rajamohanan
collection DOAJ
description Background: Chronic dermatophytosis refers to persistent or recurrent episodes of dermatophytosis lasting for more than 1 year despite adequate treatment with topical and systemic antifungal agents. The rise in the number of these cases is alarming over the past 5 to 6 years, and a thorough knowledge about the reasons for chronicity of dermatophytosis may go a long way in the treatment and prevention of this infection. Aims and Objectives: The aim of this study was to investigate the epidemiology, various clinical types, and factors associated with chronicity in patients with chronic dermatophytosis, and to isolate the etiological agents and study the clinicomycological correlation. Materials and Methods: Detailed history and clinical details of all patients with chronic dermatophytosis who presented to our tertiary care center over a span of 1 year were recorded. Skin scrapings from these patients were subjected to potassium hydroxide mount and culture in modified Sabouraud's dextrose agar medium. Results: Sixty-four patients were enrolled in this study with a mean age of 44.5 years. The mean duration of infection was 3.14 years. Tinea corporis was the most common clinical type seen in 46 (71.9%) patients, affecting commonly the waist area in females and the back in males. Bronchial asthma was the most frequent systemic association affecting 20 (31.3%) patients followed by diabetes mellitus, which was present in 13 (20.3%) patients. About 34% patients had a history of long-term steroid use. Among the 28 isolates, Trichophyton mentagrophytes was the most frequent species isolated (46.4%), followed by Trichophyton rubrum (39.3%). Trichophyton tonsurans and Trichophyton verrucosum were isolated from two patients each. Conclusion: Extensive area of involvement, atopy, diabetes, and long-term use of systemic corticosteroids were associated with chronicity. Unlike in the yesteryears, T. mentagrophytes has emerged as the most common etiological agent of chronic dermatophytosis.
first_indexed 2024-12-19T22:53:29Z
format Article
id doaj.art-0e96d403100a4c2199f782e53ed1e17c
institution Directory Open Access Journal
issn 0019-5154
1998-3611
language English
last_indexed 2024-12-19T22:53:29Z
publishDate 2021-01-01
publisher Wolters Kluwer Medknow Publications
record_format Article
series Indian Journal of Dermatology
spelling doaj.art-0e96d403100a4c2199f782e53ed1e17c2022-12-21T20:02:42ZengWolters Kluwer Medknow PublicationsIndian Journal of Dermatology0019-51541998-36112021-01-0166444544510.4103/ijd.IJD_539_20Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South IndiaRemya RajamohananRenu RajJanaki ChellamMadhu RengasamyBackground: Chronic dermatophytosis refers to persistent or recurrent episodes of dermatophytosis lasting for more than 1 year despite adequate treatment with topical and systemic antifungal agents. The rise in the number of these cases is alarming over the past 5 to 6 years, and a thorough knowledge about the reasons for chronicity of dermatophytosis may go a long way in the treatment and prevention of this infection. Aims and Objectives: The aim of this study was to investigate the epidemiology, various clinical types, and factors associated with chronicity in patients with chronic dermatophytosis, and to isolate the etiological agents and study the clinicomycological correlation. Materials and Methods: Detailed history and clinical details of all patients with chronic dermatophytosis who presented to our tertiary care center over a span of 1 year were recorded. Skin scrapings from these patients were subjected to potassium hydroxide mount and culture in modified Sabouraud's dextrose agar medium. Results: Sixty-four patients were enrolled in this study with a mean age of 44.5 years. The mean duration of infection was 3.14 years. Tinea corporis was the most common clinical type seen in 46 (71.9%) patients, affecting commonly the waist area in females and the back in males. Bronchial asthma was the most frequent systemic association affecting 20 (31.3%) patients followed by diabetes mellitus, which was present in 13 (20.3%) patients. About 34% patients had a history of long-term steroid use. Among the 28 isolates, Trichophyton mentagrophytes was the most frequent species isolated (46.4%), followed by Trichophyton rubrum (39.3%). Trichophyton tonsurans and Trichophyton verrucosum were isolated from two patients each. Conclusion: Extensive area of involvement, atopy, diabetes, and long-term use of systemic corticosteroids were associated with chronicity. Unlike in the yesteryears, T. mentagrophytes has emerged as the most common etiological agent of chronic dermatophytosis.http://www.e-ijd.org/article.asp?issn=0019-5154;year=2021;volume=66;issue=4;spage=445;epage=445;aulast=Rajamohananchronic dermatophytosistinea corporistrichophyton mentagrophytestrichophyton rubrum
spellingShingle Remya Rajamohanan
Renu Raj
Janaki Chellam
Madhu Rengasamy
Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India
Indian Journal of Dermatology
chronic dermatophytosis
tinea corporis
trichophyton mentagrophytes
trichophyton rubrum
title Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India
title_full Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India
title_fullStr Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India
title_full_unstemmed Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India
title_short Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India
title_sort epidemiological trends and clinicomycological profile of chronic dermatophytosis a descriptive study from south india
topic chronic dermatophytosis
tinea corporis
trichophyton mentagrophytes
trichophyton rubrum
url http://www.e-ijd.org/article.asp?issn=0019-5154;year=2021;volume=66;issue=4;spage=445;epage=445;aulast=Rajamohanan
work_keys_str_mv AT remyarajamohanan epidemiologicaltrendsandclinicomycologicalprofileofchronicdermatophytosisadescriptivestudyfromsouthindia
AT renuraj epidemiologicaltrendsandclinicomycologicalprofileofchronicdermatophytosisadescriptivestudyfromsouthindia
AT janakichellam epidemiologicaltrendsandclinicomycologicalprofileofchronicdermatophytosisadescriptivestudyfromsouthindia
AT madhurengasamy epidemiologicaltrendsandclinicomycologicalprofileofchronicdermatophytosisadescriptivestudyfromsouthindia