Source:
PEIR Digital Library – Pathology Education
Instructional Resource

	Type: Micro Organ/System: Mammary Gland Description: Secretory Carcinoma. Intraductal component with microcystic features.
	Type: Micro Organ/System: Mammary Gland Description: 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.
	Type: EM Organ/System: Mammary Gland Description: Secretory Carcinoma. The cytoplasm contains large irregular vacuoles lined in part by microvilli. A nucleus is seen on the left (c12800).
	Type: Micro Organ/System: Mammary Gland Description: Secretory Carcinoma. Combined pattern with typical microcystic component below and solid growth above, composed of cells with apocrine cytology.
Image and description from the AFIP Atlas of Tumor Pathology.