MDCT showed clustered enhancement on the ipsilateral breast. Targeted sonography detected a hypoechoic lesion, but it was difficult to differentiate the surrounding tissue. An excisional biopsy was performed at the same time as breast lumpectomy to obtain a definitive diagnosis. The pathological diagnosis was columnar cell hyperplasia.
Nakano et al. BMC Medical Imaging 2012 12:13 doi:10.1186/1471-2342-12-13