Reason: evaluate left facial mass; r/o parotid mass History: left facial swelling At the site of the patient's reported palpable abnormality in the superficial soft tissues of the left preauricular area, there is an ovoid mass measuring 2.7 x 1.4 x 2.4 cm which is heterogeneous but predominantly hypoechoic and lacks internal vascularity. The mass demonstrates an apparent "tail" extending to the skin surface.
Avascular mass within the superficial left preauricular region, favor benign etiology such as a sebaceous cyst.