Fig. 4.

Unusual histologic features of mammary analogue secretory carcinoma. (A) Microcystic growth pattern showing dedifferentiation with transitional area. (B) Solid growth pattern with high-grade cellular features.

Unusual histologic features of mammary analogue secretory carcinoma. (A) Microcystic growth pattern showing dedifferentiation with transitional area. (B) Solid growth pattern with high-grade cellular features.