Sonography of Unusual Breast Neoplasms

The various manifestations of unusual breast neoplasms-ranging from no imaging abnormalities in a young patient with a clinical finding such as a palpable mass, to a benign appearance or overtly malignant imaging features-should be kept in mind. It is important to recognize the varied features of unusual breast neoplasms and systemic conditions affecting the breast because the prognosis and the management algorithms differ significantly for each disease and from those of primary breast carcinoma.