Atypical Sonographic Patterns of Fibroadenoma of the Breast : Pathologic Correlation

the major controversies in breast imaging, though the most important goal of breast ultrasound is to avoid unnecessary surgery. Many reports describing the findings of ultrasound have stated that most solid breast lesions have the characteristics of both benign and malignant m a s s e s ( 1-4). Approximately 10-17% of malignancies have well circumscribed margins(5,6), whereas some benign lesions may have shown features of malignancy. The form of many fibroadenomas is that of a well-cirJ Korean Radiol Soc 1999;40:5 97-6 0 2