Objective To evaluate the value of tri-operators and blood-oxygen function imaging system in the diagnosis of breast cancer . Methods A total of 73 patients were admitted to our hospital for operation due to suspicious breast cancer .These patients were examined by tri-operators and blood-oxygen function imaging system , ultrasonography and mammography .The accuracy of the three examinations was compared by postoperative pathological results . Results The positive predictive value of tri-operators , ultrasonography and mammography was 94.3%(50/53), 94.8%(55/58) and 90.8%(59/65), respectively;the misdiagnosis rate was 50.0%(3/6), 50.0%(3/6) and 100.0% (6/6), respectively;the rate of missed diagnosis was 25.4% (17/67), 17.9%(12/67) and 11.9%(8/67), respectively;and the rate of accuracy was 72.6%(53/73), 79.5%(58/73) and 80.8%(59/73), respectively .The three examinations had no significant difference in the rates of missed diagnosis , accuracy , and positive predictive value (P>0.05).Tri-operators showed significantly lower misdiagnosis rate than that of ultrasonography (Z=-1.988, P=0.047). Conclusion The accuracy of Tri-operators and blood-oxygen function imaging system is not inferior to that of ultrasonography and mammography in diagnosing breast cancer , and has great value in diagnosing breast cancer .%目的：探讨三算子及血氧功能成像系统在乳腺癌诊断中的应用价值。方法2011年11月～2013年8月对我科收治的73例疑似乳腺癌行超声、钼靶和乳腺三算子及血氧成像系统检查，通过与术后病理对比，比较3种检测方法在诊断乳腺癌上的准确性。结果超声、钼靶与三算子及血氧功能成像的阳性预测值分别为94．3％（50/53）、94．8％（55/58）、90．8％（59/65）；误诊率分别为50．0％（3/6）、50．0％（3/6）、100．0％（6/6）；漏诊率分别为25．4％（17/67）、17．9％（12/67）、11．9％（8/67）；准确率分别为72．6％（53/73）、79．4％（58/73）、80．8％（59/73）。3种检测方法的阳性预测值、误诊率、准确率无统计学差异（P＞0．05），三算子及血氧功能成像的漏诊率显著低于超声（Z＝-1．988，P＝0．047）。结论三算子及血氧功能成像对乳腺癌诊断的准确率不逊于超声和钼靶，在乳腺癌的诊断中有较大的应用价值。
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