Epidermal nevus syndrome (also known as "Feuerstein and Mims syndrome," and "Solomon's syndrome") was first described in 1968, and consists of extensive epidermal nevi with abnormalities of the CNS, skeleton, skin, cardiovascular system, gentiourinary system, and eyes. However, since the syndrome's first description, a broader concept for the "epidermal nevus" syndrome has been proposed, with at least six types being described:

• Schimmelpenning syndrome
  Schimmelpenning syndrome
  Schimmelpenning syndrome is a neurocutaneous condition characterized by one or more sebaceous nevi, usually appearing on the face or scalp, associated with anomalies of the central nervous system, ocular system, skeletal system, cardiovascular system, and genitourinary system.Synonyms include:...
  
  
• Nevus comedonicus syndrome
  Nevus comedonicus syndrome
  Nevus comedonicus syndrome is a cutaneous condition characterized by a nevus comedonicus associated with cataracts, scoliosis, and neurologic abnormalities....
  
  
• Pigmented hairy epidermal nevus syndrome
  Pigmented hairy epidermal nevus syndrome
  Pigmented hairy epidermal nevus syndrome is a cutaneous condition characterized by a Becker nevus, ipsilateral hypoplasia of the breast, and skeletal defects such as scoliosis....
  
  
• Proteus syndrome
  Proteus syndrome
  Proteus syndrome, also known as Wiedemann's syndrome , is a congenital disorder that causes skin overgrowth and atypical bone development, often accompanied by tumors over half the body....
  
  
• CHILD syndrome
  CHILD syndrome
  Congenital hemidysplasia with ichthyosiform erythroderma and limb defects is a genetic disorder with onset at birth seen almost exclusively in females...
  
  
• Phakomatosis pigmentokeratotica
  Phakomatosis pigmentokeratotica
  Phakomatosis pigmentokeratotica is a cutaneous condition characterized by the combination of an organoid sebaceous nevus and speckled lentiginous nevus....