[Mammography and echography in the diagnosis of expansive lesions in the dysplastic breast].

The authors evaluated 177 cases of expansive lesions observed in diffusely dysplasic breast. The size of the lesions was less or equal to cm 2. They found that mammography had its diagnostic difficulties in benign lesions such as fibroadenomas and fibrocystic disease. Ultrasonography was carried out on 106 of those patients. The sensitivity of ultrasonography was the same for the definition of benign and malignant lesions. Moreover, it was not modified by the diffuse dysplasia.