hyperpigmentation
darkening of an area of skin or nails caused by increased melanin
nevus of Ota
macular lesion on the side of the face
melanosis
hyperpigmentation associated with increased melanin
Tar melanosis
medical condition
terminal osseous dysplasia with pigmentary defects
Terminal osseous dysplasia-pigmentary defects syndrome is characterised by malformation of the hands and feet, pigmentary skin lesions on the face and scalp and digital fibromatosis