Samuel William Becker first described this nevus in 1848. It has also been referred to as “Nevoid Melanosis,” “Becker’s Melanosis,” and “Pigmented Hairy Epidermal Nevus.” It is a late-onset epidermal nevus that usually is not present at birth but develops just before puberty and almost all patients are males. It presents as a hyperpigmented, hypertrichotic… Read more »
Joseph Jadassohn first described this nevus in 1895. It is also referred to as organoid nevus. It is considered a congenital nevus (mole) presenting as a yellow-orange plaque with sharp margins. They are often linear and most often solitary. The scalp is the most common location (50%), but other areas of the head and neck… Read more »
Nevus Spilus is also referred to as Specked Lentiginous Nevus and is present at birth or in early childhood. It frequently occurs on the trunk and lower extremities and occurs in about 2% of the population. Although it may be less than 1 cm in diameter it is most often significantly larger and often follow a… Read more »
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 »