We report a case of synchronous bilateral breast cancer with ductal and medullary carcinoma. A 60-year-old woman presented with lesion in both breasts which were mammographically found two years ago. Ultrasonography proved two suspected masses in breasts. Fine needle cytology was performed and confirmed bilateral carcinoma but with different cytological findings. The cytological feature of the left breast suggested ductal carcinoma and of the right breast raised possibility of a medullary carcinoma. Patient underwent bilateral quadrectomy with evacuation of axillary lymph nodes. Histological examination showed bilateral carcinoma with two different histological features: ductal in the left and medullary carcinoma in the right breast.
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