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

Figure 2

Sagittal (a) and transverse (b) ultrasound images show a well-defined lobular-shaped complex solid mass in the left parotid gland. Bright discrete echoes suggest calcifications (blue arrow; shadowing not clearly demonstrated), while an anechoic component indicates cystic fluid or necrosis (yellow arrow). Note the lack of color flow on the transverse image.

(a)

(b)