Figure 4.

(A,B): Histological features of salivary gland anlage tumor (Hematoxylin-eosin stain, magnification 10×). (C): Smooth muscle actin staining highlights both ductal epithelium and myoepithelial cells. (D): FISH analysis revealed 2 copies of 12p13.2 and 12 centromeres with no loss or gain of 1p36 or 1q25.