Abstract
Objective To analyse appearances of contrast-enhanced ultrasound(CEUS) of breast local adenosis,and to explore the value of CEUS in the diagnosis of the local adenosis of breast.Methods The data of conventional ultrasound and CEUS of local adenosis of breast in 110 cases confirmed by operation and pathology were analysed.The enhancement patterns,border of the lesion,time-intensity curve were evaluated respectively.Results Totally 151 lesions were detected by conventional ultrasound in 110 cases,61 lesions were diagnosed by conventional ultrasound for adenopathy or adenosis tumor,the diagnosis coincidence rate was 40.4％ (61/151).By CEUS,106 lesions were diagnosed as adenopathy or adenosis tumor,the diagnosis coincidence rate was 70.2 ％ (106/151),higher than that of conventional ultrasound.The features of CEUS include:In contrast perfusion time to peak,103 lesions inhomogeneously enhanced in whole or in part (68.2 ％).The enhancement degree of 121 lesions (80.1 ％) were moderate enhancement or slightly high enhancement,a few lesions (11.9％,18/151) showed significantly enhanced,and very few lesions (7.9 ％,12/151) for low enhancement.In contrast perfusion peak,107 (70.9 ％) lesions had less clear boundary,no envelope,and had a certain continuity with the surrounding background breast tissue,in which 5 lesions were showed significantly increased in size by CEUS comparison with conventional ultrasound,and the boundary of 4 lesions was shaped like the burr,no regularity after enhancing.The boundary of 29.1％ (44/151) of the lesion was clear.In the lesions with moderate enhancement or slightly high enhancement,the time-intensity curve mainly displayed washin and same wash out (60/151,39.7 ％) and washin and fast wash-out (65/151,43.0％).Conclusions CEUS image of focal breast adenosis has certain characteristics.CEUS can provide more evidences in diagnosis and differential diagnosis of breast adenosis,which can help to improve diagnostic confidence. Key words: Ultrasonography; Microbubbles ; Fibrocystic breast disease
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