ArticleIndian dermatology online journal
A Pilot Study for the Evaluation of PCR as a Diagnostic Tool in Patients with Suspected Dermatophytoses.
Article in Indian dermatology online journal. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 6 citations in OpenAlex.
- Diagnostic ability of Peptidase S8 gene in the Arthrodermataceae causing dermatophytoses: A metadata analysis.PloS one · 2024Article
- Comparison of 2 sampling methods for molecular detection of bacteria or fungi from feline hair and scale specimens.Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc · 2023Article
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Authors and funding
6 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
contextThe conventional diagnostic tools for dermatophytoses suffer from several limitations including low sensitivity, specificity, and long turn-around-time.
aimsThe present study was, therefore, performed to evaluate the performance of a polymerase chain reaction (PCR)-based method for the diagnosis of this condition. SETTINGS AND
designThe study was conducted in the Dermatology outpatient department of a tertiary care teaching hospital in central India over a period of 3 months from July to September 2015. MATERIALS AND
methodsForty participants, including 25 cases and 15 controls, were recruited in this observational study. Direct microscopy and fungal culture were performed from skin scrapings and nail clippings collected from the participants. PCR was also performed to amplify the chitin synthase 1 and internal transcribed spacer 2 genes from DNA samples extracted from the same clinical materials, using the method reported by Brillowska-Dabrowska et al. The diagnostic performance of fungal culture and PCR was compared using OpenEpi software.
resultsWe observed a significant male predominance among patients with dermatophytoses. The sensitivity of fungal culture and dermatophyte PCR to diagnose dermatophytoses was 24% and 48%, respectively, whereas the specificity of the two assays was 100% and 93.3%, respectively. The likelihood ratio of a positive PCR assay was 7.2 and the negative likelihood ratio was 0.5. PCR assay also delivered a significant shortening of the time-to-diagnosis, with the mean turn-around-time being 8 hours and 14 days for PCR and culture, respectively.
conclusionThis study, thus, highlights the potential merits of the dermatophyte PCR assay in achieving a rapid diagnosis of dermatophytoses and underscores its utility as a complementary test to improve the sensitivity of the conventional diagnostic tools for this condition, as well as to reliably differentiate this condition from other similar skin conditions.
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