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2021, Number 3

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Dermatología Cosmética, Médica y Quirúrgica 2021; 19 (3)

Interdigital intertrigo: a study of 38 cases at a general hospital

Alvarado BAM, Castillo RJM, Vega SDC, Juárez-Durán ÉR, Arenas R

Language: Spanish
References: 19
Page: 241-244
PDF size: 114.46 Kb.


ABSTRACT

Background: tinea pedis is a common superficial mycosis, mainly caused by Trichophyton rubrum. The interdigital form is the most frequent clinical variety
Objective: to determine the etiology and frequency of interdigital intertrigo in the Mycology Section at Dr. Manuel Gea González General Hospital.
Methodology: retrospective, observational, descriptive and cross-sectional study. From January 2015 to August 2020, 38 samples were collected from patients diagnosed with tinea pedis in the Mycology Section, they underwent direct examination with koh/chlorazol black and were subsequently cultivated in a Sabouraud agar plus antibiotics.
Results:We observed predominance in females, and most cases were associated to humidity or hyperhidrosis. The etiological agents isolated in 14 patients with positive culture were: Trichophyton rubrum in nine (64.28%), Candida sp. in four (28.57%) and Epidermophyton floccosum in one (7.14%). In addition, four cases with negative cultures were positive to Wood’s light, showing a red-coral fluorescence, therefore erythrasma was confirmed.
Conclusions: the interdigital variety of tinea pedis is common in medical practice. It is recommended to confirm the diagnosis by performing direct examination, culture, Wood’s light and Gram’s smear.


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