It can include discoloration of the nail, or dyschromia.

Jeanmougin M, et al.: Nail dyschromia.

He asked the computer to search through all the medical histories on all the admissions for the words "tattoo" or "dyschromia," the medical word for aberrant pigmentation.

It offers an answer to solve all related skin problems such as Congenital origin, Traumatic origin and Dermatological origin ( angiomas, couperose, redness, teleangectasy, vitiligo, skin dyschromia, sunspots, senile spots, acne, results of burns, stretch-mark, scars, bruises, blue stains, eye sockets, tattoos).