halo-nevus

Halo nevus, also known as regressing nevus, Sutton’s nevus and leukoderma acquisitum centrifugum represents regression and in usually associated with a common/banal nevus. However it may also be seen with congenital nevus, dysplastic nevus, Spitz nevus, blue nevus and importantly with melanoma. A halo phenomenon may also be seen with a banal/common nevus in the…