Most of the light that enters it, instead of passing through, is reflected back inside. It's used as a means of determining whether it's a benign naevus or a potentially malignant melanoma (melanomas tend to have a low internal reflectivity).
Most of the light that enters it, instead of passing through, is reflected back inside. It's used as a means of determining whether it's a benign naevus or a potentially malignant melanoma (melanomas tend to have a low internal reflectivity).
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