A<unk> , is an atypical mole; a mole whose appearance is different from that of common moles.<unk>  nevi are generally larger than ordinary moles and have irregular and indistinct borders. Their color frequently is not uniform and ranges from pink to dark brown; they usually are flat, but parts may be raised above the skin surface.<unk>  can be found anywhere, but are most common on the trunk in men, and on the calves in women.
Dysplastic nevus
Melanocytic nevus
White sponge nevus
Eccrine nevus
Acral nevus
Halo nevus
Giant congenital nevus
Blue nevus