Imaging Findings of Metaplastic Breast Carcinoma with Chondroid Differentiation: A Case Reports

Metaplastic carcinoma of the breast is a heterogeneous group of neoplasms with mixed epithelial and mesenchymal differentiation.Metaplastic carcinoma of the breast is a rare and aggressive malignancy, with high recurrence and metastasis.Metaplastic carcinoma with chondroid differentiation is an uncommon subtype that Gas Filler Hose tends to have a relatively good prognosis than that of other subtypes.We report the imaging features of three cases of pathologically proven Steel Rope metaplastic carcinoma with chondroid differentiation as follows: a high-density mass with amorphous or coarse heterogeneous calcifications on mammography; a microlobulated or partially indistinct, complex cystic, and solid mass on sonography; and a relatively circumscribed or partially indistinct, irregular mass with heterogeneous T2 high-signal intensity and heterogeneous or rim enhancement with initial fast enhancement and delayed washout on MRI.