Skin Lesions

Look carefully at this "Rogue’s Gallery" of skin lesions, used with permission of the American Academy of Dermatology National Library of Dermatologic Teaching Slides and the Sulzberger Institute for Dermatologic Education:

This is characterized by relating larger size, irregular borders and irregular coloration:

Somewhat different in appearance, this is also a form of melanoma, characterized by a very darkly pigmented nodule.


The next three pictures are NOT melanoma, but are benign moles (nevi):

This is the type of mole called a blue nevus, a mole with blue coloration. Common blue nevi are harmless but may mimic melanoma in appearance. One type of blue nevus, called cellular blue nevus, has a malignant potential.

This is a compound nevus, the most common type of mole.

This is a congenital pigmented nevus, a nevus which is apparent at birth. Some congenital nevi have a malignant potential.


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