Symmetrical Pseudopods Focal Pseudopods

Symmetrical Radial Streaming Focal Radial Streaming

For melanoma, a For melanoma, a blue-white veil is blue-white veil is asymmetrically asymmetrically located or diffuse located or diffuse throughout the throughout the lesion.lesion.

Benign Lesions Malignant Lesions

Blue – White Veil

Extremely rare

Blue-white veil diffuse throughout the lesion

Summary

Color

Benign MalignantThree or fewer colors

Greater than three colors

Colors often associated with a melanoma include:

•Red

•Blue

•Gray

•White

Colors often associated with a nevus include:

•Light brown

•Dark brown

•Black

•Brown

•Black

Summary

Benign Malignant

The overall dermoscopic pattern is symmetric

The overall dermoscopic pattern is asymmetric

*Symmetry of lesion shape is not a requirement

Symmetry refers to the distribution of colors and structures on either side of the axis and not by shape.

Summary

Benign Malignant

The overall dermoscopic pattern is organized.

The overall dermoscopic pattern is disorganized.

Organization refers to the uniformity of structures and their distribution in specific locations within the lesion.