| Source: Secretory carcinoma intraductal component
with microcystic features. |
| Secretory carcinoma secretion evident in microcysts
of varying size tends to shrink toward the center of the lumen. in larger microcysts, secretion may have a scalloped border. some tumor cells have vacuolated or clear cytoplasm.  |
| Secretory carcinoma the cytoplasm contains
large irregular vacuoles lined in part by microvilli. a nucleus is seen on the left (x12800).  |
| Secretory carcinoma combined pattern with typical
microcystic component below and solid growth above composed of cells with apocrine cytology.  |
