Changing Trends in the Fungal Isolates from Clinical Specimens of Suspected Superficial Mycosis.
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2013-02
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Abstract
Introduction: The local patterns of fungal isolates from
clinical specimens may change with time and geographical
area and it is important to be familiar with recent local
trends in order to improve diagnosis. Objective: The local
patterns of fungal isolates from clinical specimens of
suspected superficial mycosis was studied in a tertiary
care centre in Orissa between 2009 - 2011. Material and
Methods: Mycological examinations of 311 materials
sampled from various sites in patients with suspected
superficial mycosis was done by KOH wet mount and
culture. Results: A total of 311 specimens were sent for
mycological study . Out of 217 specimens of suspected
superficial mycosis, Trichophyton (68.42%) was the most
frequently isolated genus,with T. rubrum (62.82%) as the
most common species, followed by the T. mentagrophytes
(29.48%) . T. schoenlenii was responsible for 18.75% of
T. pedis and 38.4% of T. capitis cases. T. tonsurans was
responsible for 50% of T. barbae and 23.8% T. cruris
cases. Out of the other 94 specimens , Aspergillus (35.1%)
was the most frequently isolated genus , with A. fumigates
(57.57%) as the most common species; followed by
Candida (17.02%) in which C. tropicalis (31.25%) was
the most commonly isolated species followed by C. albicans
(25%). Conclusions : An evident change in the spectrum
of fungal isolates causing superficial mycosis has been
observed with T. schoenlenii and T. tonsurans emerging
as a causative agent of T. pedis , T. capitis and T. barbae
and T. cruris respectively. There is a decrease in the relative
frequency of C. albicans and increase in Candida tropicalis
causing superficial fungal infections.
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Prasad Nidhi, Chayani N, Mahapatra A. Changing Trends in the Fungal Isolates from Clinical Specimens of Suspected Superficial Mycosis. Indian Medical Gazette. 2013 Feb ; 147 (2): 60-62.