乳腺MRI常规成像和动态增强成像在乳腺疾病鉴别诊断中的意义

MRI routine-scanning and dynamic contrast-enhanced MRI for differential diagnosis of breast diseases

目的探讨常规MRI和DCE-MRI在乳腺疾病鉴别诊断中的意义。方法比较分析27例及26例乳腺良恶性病变的常规MRI、DCE-MRI检查报告和病理结果。结果乳腺恶性病变在常规MRI和DCE-MRI上表现为边界不清、边缘不规则和毛刺的比率分别为73.1%、76.9%,69.2%、76.9%,23.1%、42.3%,强化不均占38.5%且继发性形态学改变更明显。良性病变在常规MRI上表现为边缘不规则占18.6%,增强后为14.8%,无强化占63.0%。常规MRI和DCE-MRI对乳腺疾病诊断的准确性、敏感性、特异性分别为50.9%、83.0%,53.8%、88.5%,48.1%、77.8%。结论 DCE-MRI在乳腺疾病的鉴别诊断方面较常规MRI具有明显的优势。

【Objective】 To explore the mean of routine-scanning and dynamic contrast-enhanced MRI for the differential diagnosis of breast diseases.【Method】 Track,compare and analyze the checking reports and pathologic consults for the 27 cases of benign breast lesions and the 26 cases of malignant breast patients.【Result】 Obscure boundary,irregular border,burr fin for routine MRI and The dynamic contrast-enhanced MRI of Breast malignant diseases are 73.1%,76.9%;69.2%,76.9%;23.1%,42.3%.There is 38.5% uneven reinforcement,more evident second morphology changing.Irregular border for routine MRI of Breast benign diseases are 18.6%,and post-enhancement are14.8%,63.0% benign diseases are no reinforcement.The accuracy,sensitivity and specificity for the breast disease of routine-scanning MRI and The dynamic contrast-enhanced MRI are 50.9%,83.0%;53.8%,88.5%;48.1%,77.8%.【Conclusion】 The dynamic contrast-enhanced MRI have evident dominance comparing with routine-scanning MRI for breast diseases in differential diagnosis.