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KMID : 1100820120020010051
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Laboratory Medicine Online
2012 Volume.2 No. 1 p.51 ~ p.54
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A Case of Plasmodium ovale Malaria Imported from West Africa
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Moon Se-Jin
Kim Baek-Nam
Kuak Eun-Young
Han Tae-Hee
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Abstract
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In Korea, the majority of imported malaria cases are Plasmodium vivax and P. falciparum, but Plasmodium ovale cases are rarely reported. We describe an imported case of P. ovale that was confirmed by peripheral blood smear and nested PCR targeting the small subunit ribosomal RNA (SSU rRNA) gene. A 37-yr-old male had visited the Republic of Ghana in tropical West Africa 3 months ago, and suffered from fever and headache since 2 weeks after his return to Korea. The results of rapid malaria test using SD Malaria Antigen/Antibody Kit (Standard Diagnostics, Korea) were negative, but Plasmodium species was observed in Wright-Giemsa-stained peripheral blood smear. For the evaluation of possible mixed infection and identification of species, we performed a nested PCR targeting the SSU rRNA gene. P. ovale single infection was confirmed by PCR. The sequence analysis of the P. ovale SSU rRNA gene showed that our isolate was P. ovale classic type. We should confirm P. ovale infection for an accurate diagnosis and treatment of imported malaria cases in Korea because the number of travelers to P. ovale-endemic regions has recently increased.
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KEYWORD
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Malaria, Plasmodium ovale
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