Acta cytologica · 2010
Comparison of cytologic giemsa and real-time polymerase chain reaction technique for the diagnosis of cutaneous leishmaniasis on scraping smears.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Meymandi Simin Shamsi, Bahmanyar Mohammad, Dabiri Shahriar, Aflatonian Mohammad Reza, Bahmanyar Shahram, Meymandi Manzumeh Shamsi
Аннотация
OBJECTIVE: To compare the results of real-time polymerase chain reaction (RT-PCR) for detection of Leishmania DNA in Giemsa-stained skin scraping slides with direct microscopic evaluation of Giemsa-stained skin scrapings and to estimate the sensitivity and specificity of RT-PCR.
STUDY DESIGN: We used 30 samples from cases diagnosed with cutaneous leishmaniasis (CL), 16 from clinically suspected individuals but negative in direct microscopic evaluation and 50 normal individuals from nonendemic dry type CL areas.
RESULTS: All samples of CL positive and 8 of suspected cases were positive for RT-PCR, and all nonleishmaniasis cases were negative. The sensitivity and specificity of RT-PCR were 100% (95% CI 88-100%) and 88% (95% CI 78-95%), respectively. We also found an inverse association between the number of lympnocytes (OR = 0.90, 95% CI 0.83-0.97%), neutrophils and Leishman bodies.
STUDY DESIGN: We used 30 samples from cases diagnosed with cutaneous leishmaniasis (CL), 16 from clinically suspected individuals but negative in direct microscopic evaluation and 50 normal individuals from nonendemic dry type CL areas.
RESULTS: All samples of CL positive and 8 of suspected cases were positive for RT-PCR, and all nonleishmaniasis cases were negative. The sensitivity and specificity of RT-PCR were 100% (95% CI 88-100%) and 88% (95% CI 78-95%), respectively. We also found an inverse association between the number of lympnocytes (OR = 0.90, 95% CI 0.83-0.97%), neutrophils and Leishman bodies.