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조직학적으로 확진된 유방 질환에서 유방 영상 검사의 진단적 효율성의 평가 : T-scan검사를 중심으로

Other Titles
 Analysis of the Diagnostic Efficacy of Breast Imaging Studies in Pathologically Confirmed Cases : Comparison of T-scan with Mammography and Ultrasonography 
 김호석  ;  오기근  ;  권우철  ;  손홍주  ;  김은경 
 Journal of the Korean Radiologist Society (대한방사선의학회지), Vol.39(3) : 613-619, 1998 
Journal Title
Journal of the Korean Radiologist Society(대한방사선의학회지)
Issue Date
Breast neoplasm, radiography ; Breast neoplasm, diagnosiss
PURPOSE: The purpose of this study was to compare the diagnostic efficacy of mammography, Ultrasonography(US) and T-scan in pathologically confirmed breast diseases. MATERIALS AND METHODS: Thirty-eight patients withpathologically confirmed breast diseases who had undergone T-scan and mammography and/or US were retrospectivelyreviewed. Cases were categorized as normal, benign, or malignant, and on the basis of disease entity and masssize, the results were compared with pathologic diagnosis. For the of t scans, the conductance ratio was alsoused. RESULTS: Twenty cases were benign and 18 were malignant. The sensitivity, specificity and positivepredictive value of mammography were 100%, 70%, 74%;respectively. For US, the corresponding figures were 100%,82%, 88%, and for T-scan, 33%, 85%, 67%. Between masses with a diameter of less than 2cm and more than 2cm, thesensitivity, specificity, and positive predictive value of mammography and US demonstrated no significantdifference, except in some cases ; for T-scan however, the respective results were 10%, 80%, 33% when lesion sizewas less than 2cm, and 56%, 90%, 83% when lesions were larger than 2cm. The diagnostic efficacy of T-scan was thusgreater for larger lesions than for smaller ones. With regard to the conductance ratio of T-scan no pathologicallymalignant lesions showed high suspicion of malignancy but 33% showed moderate suspicion. CONCLUSION: Mammographyand US were useful in diagnosing breast malignancy. T-scan was less efficient for the diagnosis of breastmalignancies smaller than 2cm, and of infiltrating ductal carcinoma and ductal carcinoma in situ. They may thus beconsidered a complementary to mammography and ultrasound examination.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eun-Kyung(김은경) ORCID logo https://orcid.org/0000-0002-3368-5013
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