TABLE 1.

Pathological types of skin lesions and ultrasonic imaging

	n	2D	Color Doppler (blood flow signals)	SWE(mean ± standard deviation)
BCC	86	Heterogeneous, Gravel calcifications Skin thickening, roughness, varying degrees of epidermal defects	More, dispersed	36.7 ±5.2 KPA
Seborrheic keratosis	29	Only present in the epidermis, no obvious changes in the dermis	Dendritic	19.6 ± 4.8 KPA
Pigmented nevus	9	Slightly higher than BBC, thicken of epidermis	Poor	23.6 ± 4.7 KPA