<unk>  (also known as "Leukoderma acquisitum centrifugum," "Perinevoid vitiligo," and "Sutton nevus") is a mole that is surrounded by a depigmented ring or 'halo'.
Halo nevus
Woolly hair nevus
Acral nevus
Spitz nevus
Eccrine nevus
Ink spot lentigo
Becker's nevus
Blue nevus