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자료유형
학술저널
저자정보
조현수 (서울대학교병원 핵의학과) 노경운 (서울대학교병원 핵의학과) 유태민 (서울대학교병원 핵의학과)
저널정보
대한핵의학기술학회 핵의학기술 핵의학기술 제22권 제2호
발행연도
2018.1
수록면
101 - 104 (4page)

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Purpose Alpha fetoprotein(AFP) is a fetal serum protein that increases in germ cell tumors derived from liver cancer or egg yolk. AFP test has been used for screening of liver cancer, determination of tumor stage, determination of therapeutic effect, and fetal congenital malformations. The purpose of this study was to compare the results of the four kits, identify the advantages and disadvantages of each kit, and select the appropriate kits for our laboratory. Materials and Methods Blood samples were obtained from 89 patients attending the Seoul national university hospital. Experiments were carried out in accordance with manufacturer's instructions of four companies(A, B, C, D). The precision, recovery, linearity, and sensitivity test were performed for each kit. Results In case of the precision within the measurement, the CV value of the C kit was less than 5% at the low, middle, and high concentrations. The A, B and D kit's the CV value was less than 5% at the concentrations except the low concentration. The recovery rates of the A, B, C, and D kits were $100{\pm}15%$, $100{\pm}30%$, $100{\pm}16%$ and $100{\pm}14%$, respectively. All kits showed good linearity. Sensitivity was measured as 0.5 IU/mL for A, 0.4 IU/mL for B, 0.98 IU/mL for C, and 0.3 IU/mL for D. Conclusion The CV values of the four kits were within 10%, and the correlation coefficients were close to 1 for $R^2=0.978$, $R^2=0.992$ and $R^2=0.8957$. As a result, they are clinically available. Therefore, each laboratory should select the appropriate kit for their experiment's environment.

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