Korean J Parasitol.  2005 Sep;43(3):115-117. 10.3347/kjp.2005.43.3.115.

Correlation of egg counts of Clonorchis sinensis by three methods of fecal examination

Affiliations
  • 1Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Infectious Diseases, Seoul National University Medical Research Center, Seoul 110-799, Korea. hst@snu.ac.kr
  • 2Heilongjiang Provincial Center for Disease Prevention and Control, Harbin, Heilongjiang, 150030, China.

Abstract

The Kato-Katz (KK) method is a well-known method of fecal examination for helminthiases. Its diagnostic sensitivity was found very high for clonorchiasis. The present study evaluated the correlation of Clonorchis sinensis egg counts by the KK method with those by direct smear and formalin-ether (FE) technique. The egg counts obtained by the KK method (Y) were correlated with the counts by direct smear (X) with the equation of Y = 659.4 + 0.266X (r2= 0.738), but not with those by the FE method. The present study demonstrated that the KK method and direct smear were useful for both qualitative and quantitative diagnosis of clonorchiasis, especially in the field.

Keyword

clonorchiasis; EPG; Kato-Katz method; direct smear

MeSH Terms

Animals
Cellophane
Clonorchiasis/*diagnosis/parasitology
Clonorchis sinensis/*isolation & purification
Comparative Study
Ether, Ethyl
Feces/parasitology
Formaldehyde
Humans
Parasite Egg Count/*methods
Sensitivity and Specificity
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