A Rare De Novo Myoepithelial Carcinoma Ex Pleomorphic Adenoma in a Young Woman

Figure 5

Low power microscopic sections show areas of typical pleomorphic adenoma with chondromyxoid matrix (H&E, ×40) (a), transitioning to the areas composed of cellular nests of atypical cells (arrows) (H&E, ×100) (b) with infiltration and seeding of the surrounding adipose tissue (arrows) (H&E, ×40) (c, d).

(a)

(b)

(c)

(d)