›› 2014, Vol. 29 ›› Issue (8): 851-855.DOI: 10.3969/j.issn.1673-8640.2014.08.016

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Laboratory diagnosis on three cases of imported plasmodium ovale malaria infection

TIAN Bin, DUAN Jihui, XU Mingzhong, ZHANG Bing, LIAO Yu, SHEN Xiaojun, WEN Lan   

  1. Changsha Center for Disease Control and Prevention, Hunan Changsha 410001, China
  • Received:2013-07-17 Online:2014-08-30 Published:2014-09-05

Abstract: Objective To analyze 3 cases of imported malaria infection, in order to reduce the misdiagnosis and missed diagnosis of ovale malaria infection. Methods By morphological test, nested polymerase chain reaction (PCR) and sequence analysis were used to confirm the 3 cases of imported malaria infection. Results The morphological test results showed no plasmodium (laboratory initial inspection), plasmodium ovale mixed infection with plasmodium falciparum and plasmodium ovale. However, plasmodium ovale, plasmodium ovale mixed infection with plasmodium falciparum and plasmodium ovale mixed infection with plasmodium vivax were detected by nested PCR by follow. Conclusions The morphological technique training and the application of molecular biology techniques should be strengthen for imported plasmodium ovale malaria infection, and can reduce the misdiagnosis and missed diagnosis of imported plasmodium ovale malaria infection.

Key words: Plasmodium ovale, Nested polymerase chain reaction, Sequence analysis, Mixed infection, Laboratory diagnosis

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