Columnar Cell Change and Columnar Cell Hyperplasia of the Breast
Clinical
- Columnar cell lesions are frequently associated with microcalcifications
- They are increasingly being recognized and diagnosed in biopsies of mammographically detected lesions
- Columnar cell lesions may be associated with or adjacent to ductal carcinoma in situ or invasive carcinoma
- More frequently seen in flat epithelial atypia (columnar cell lesions with atypia)

