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Squamous cell carcinoma (24 MHz; left cheek).
Grayscale (A) and power Doppler (B) show a hypoechoic lesion (*) with irregular borders located in the dermis and upper hypodermis. There is an upward displacement of the epidermis and increased echogenicity of the surrounding hypodermis. On power Doppler, there is prominent hypervascularity within the lesion and its periphery.
