The Korean Journal of Nuclear Medicine (대한핵의학회지)

The Korean Society of Nuclear Medicine (대한핵의학회)
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Comparison of Ultrasound with $^{99m}-Tc-MIBI$ Scintimammography in the Detection of Breast Cancer

유방암의 진단에서 유방초음파 검사와 $^{99m}-Tc-MIBI$ 유방스캔의 비교

  • Seok, Ju-Won (Department of Nuclear Medicine, College of Medicine, Pusan National University) ;
  • Kim, Seong-Jang (Graduate School, Pusan National University) ;
  • Kwak, Hi-Suk (Department of Nuclear Medicine, General Surgery, College of Medicine, Pusan National University) ;
  • Lee, Jun-Woo (Department of Nuclear Medicine, Radilogy, College of Medicine, Pusan National University) ;
  • Kim, In-Ju (Department of Nuclear Medicine, College of Medicine, Pusan National University) ;
  • Kim, Yong-Ki (Department of Nuclear Medicine, College of Medicine, Pusan National University) ;
  • Bae, Young-Tae (Department of Nuclear Medicine, General Surgery, College of Medicine, Pusan National University) ;
  • Kim, Dong-Soo (College of Medicine, Pusan National University)
  • Published : 2002.06.30
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Abstract

Purpose: Ultrasonography and $^{99m}-Tc-MIBI$ scintimammography were validated as useful diagnostic tools for primary breast cancer. However, ultrasound has the problem of low specificity. We compared the diagnostic usefulness of ultrasound with $^{99m}-Tc-MIBI$ scintimammography in the diagnosis of breast cancer. Materials and Methods: This study included 174 patients who had ultrasound and $^{99m}-Tc-MIBI$ scintimammography peformed on breast masses from 1999 to 2000. The pathologic results were obtained by surgery or FNAB. Results: Among the 174 patients, malignant breast disease numbered 117 and benign breast disease numbered 57. Ultrasound revealed 88 TP, 9 FN, 8 FP, 34 TN, and 35 indeterminate cases. $^{99m}-Tc-MIBI$ scintimammography revealed 91 TP, 25 FN, 9 FP, and 48 TN. The sensitivity, specificity, positive predictive value, and negative predictive value of Ultrasound were 66.7%, 44.2%, 67.2%, and 43.6% respectively. The sensitivity, specificity, positive predictive value, and negative predictive value of $^{99m}-Tc-MIBI$ scintimammography were 77.8%, 84.2%, 91%, and 64.9% respectively. Among the 35 indeterminate ultrasound cases, $^{99m}-Tc-MIBI$ scintimammography revealed 13 TP, 15 TN, and 7 FP Conclusion: $^{99m}-Tc-MIBI$ Scintimammography was more sensitive and specific than ultrasound for the detection of primary breast cancer and provided more useful information in cases of indeterminate ultrasound findings.

목적: 원발성 유방암을 진단하는데 있어서 유방초음파검사와 $^{99m}-Tc-MIBI$ 유방스캔이 유용하다고 평가받고 있다. 그러나 유방초음파 검사는 특이도가 낮다는 문제점을 가지고 있다. 이에 본 연구에서는 유방암 진단에 있어서의 유방초음파 검사와 $^{99m}-Tc-MIBI$ 유방스캔의 진단적인 유용성을 비교해 보았다. 대상 및 방법: 본 연구에서는 1999년에서 2000년 사이에 의심되는 유방 종물에 대해서 유방초음파검사와 $^{99m}-Tc-MIBI$ 유방스캔을 시행했던 174명의 환자를 대상으로 하였다. 모든 환자의 병리조직학적인 결과는 수술이나 미세흡인세포진 검사에 의해서 얻어졌다. 결과: 174명의 환자 중에서 악성질환으로 진단받은 경우는 117명이었고, 양질환성으로 진단받은 경우는 37명이었다. 유방초음파 검사의 판독은 88명의 진양성, 9명의 위음성, 8명의 위양성, 34명의 진음성, 그리고 35명의 미확정의 결과를 보여주었다. $^{99m}-Tc-MIBI$ 유방스캔의 판독은 91명의 진양성, 26명의 위음성, 9명의 위양성, 그리고 48명의 진음성의 결과를 보여주었다. 유방초음파 검사에 의한 민감도, 특이도, 양성예측율, 음성예측율은 각각 66.7%, 44.2%, 67.2%, 그리고. 43.6%였다. $^{99m}-Tc-MIBI$ 유방스캔에 의한 민감도, 특이도, 양성예측율, 음성예측율은 각각 77.8%, 84.2%, 91% 그리고 64.9%였다. 유방초음파 검사에 의해서 미확정으로 판독된 35명의 환자에 대해서 $^{99m}-Tc-MIBI$ 유방스캔은 13명의 진양성, 15명의 진음성, 그리고 7명의 위양성의 결과를 보여주었다. 결론: 원발성 유방암을 진단하는데 있어서 유방초음파 검사보다 $^{99m}-Tc-MIBI$ 유방스캔의 민감도와 특이도가 훨씬 더 높고, 유방초음파 검사에 의해서 정확히 결론지을 수 없었던 경우에도 $^{99m}-Tc-MIBI$ 유방스캔은 훨씬 더 유용한 정보를 제공해 준다.

Keywords

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