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Radiologia Brasileira

Print version ISSN 0100-3984On-line version ISSN 1678-7099

Abstract

FLEURY, Eduardo de Faria Castro et al. Features of cystic breast lesions at ultrasound elastography. Radiol Bras [online]. 2008, vol.41, n.3, pp.167-172. ISSN 0100-3984.  http://dx.doi.org/10.1590/S0100-39842008000300008.

OBJECTIVE: To demonstrate the most frequent features of cystic breast lesions at ultrasound elastography, discussing the applicability of this method. MATERIALS AND METHODS: The present casuistic included 150 patients referred for percutaneous breast biopsy of 175 lesions. Histologically diagnosed solid lesions (153 lesions) were excluded; lesions histologically diagnosed as cystic (22 lesions), including complicated cysts, papillary lesions, inflammatory lesions, typical columnar cell hyperplasia and duct ectasia were retrospectively classified by means of elastography, according to a scoring system developed by the authors, with categories ranging between 1 and 4. RESULTS: Thirteen (59%) of the 22 lesions evaluated corresponded to cysts, one (4.6%) to duct ectasia, two (9.2%) to inflammatory lesions, five (22.6%) to papillary lesions, and one (4.6%) to columnar cell hyperplasia. The scoring system was applied with the following results: 17 category 2 lesions, four category 3 lesions, one category 4 lesion, and none category 1 lesion, with a 95% specificity. CONCLUSION: Different features of cystic breast lesions are demonstrated by elastography according to histological results, representing a useful and easily applicable method for differentiating benign from malignant breast lesions.

Keywords : Breast cyst; Ultrasonography; Breast.

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