Disease marked by abnormal pigmentation may be called chromatosis or melanosis, or melanopathy. Amelanism or amelanosis is the term used for a lack of pigmentation of the skin.
Some examples of chromatosis or melanosis:
- Vitiligo, an autoimmune disorder characterized by splotchy white patches of unpigmented skin.
- chloasma,
- Addison's disease
- hepatitis
Chromatosis, melanosis
Melanopathy is a term for disease of excess pigmentation.
melanopathy
Chromatosis, melanosis
melonopathy