In 1916, the dermatologist Richard Lightburn Sutton described two young women with pigmentary changes he called “leukoderma acquisitum centrifugum,” better known as Sutton nevus or halo nevus. He thought that the cases he presented were varieties of vitiligo, not nevi. The correlation of leukoderma acquisitum centrifugum with melanocytic nevus was made by John H. Stokes, as… Read more »