Difference between revisions of "Invasive breast cancer"
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**But papillary DCIS should be negative for myoepithelial cells within the focus of DCIS | **But papillary DCIS should be negative for myoepithelial cells within the focus of DCIS | ||
**Papillary intracystic carcinoma does not show myoepithelial cells at the periphery of the involved spaces | **Papillary intracystic carcinoma does not show myoepithelial cells at the periphery of the involved spaces | ||
*Invasive papillary carcinoma of the breast | |||
**Similar architecture but no cystic space, frankly invasive. | |||
*Invasive carcinoma arising in association with papillary intracystic carcinoma | *Invasive carcinoma arising in association with papillary intracystic carcinoma | ||
**Epithelial entrapment in the encysting fibrous tissue should not be interpreted as invasion. | **Epithelial entrapment in the encysting fibrous tissue should not be interpreted as invasion. | ||