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Histologic characteristics of carcinoma in situ involving sclerosing adenosis
| Feature | % of cases |
|---|---|
| Lobulocentric pattern | 100 |
| ME cells visible | 100 |
| Separate areas of SA | 93.5 |
| Separate areas of DCIS/LN | 51.6 |
| Hyaline basement membranes | 45.2 |
| Calcifications | 38.7 |
| Desmoplasia | 19.4 |
| Single cells enveloped by ME cells | 19.4 |
| Inflammation | 12.9 |
ME myoepithelial, SA sclerosing adenosis, DCIS ductal carcinoma in situ, LN lobular neoplasia
