ICD-11 definition : Vitiligo is an acquired pigmentary disorder of the skin and mucous membranes where
progressive destruction of melanocytes results in loss of skin pigmentation. Half
of all cases first appear before the age of 20. The clinical course is unpredictable
but gradual extension of the areas involved is the norm. The disease may have a devastating
psychological impact, particularly in people with dark skin.;
Vitiligo is an acquired pigmentary disorder of the skin and mucous membranes where
progressive destruction of melanocytes results in loss of skin pigmentation. Half
of all cases first appear before the age of 20. The clinical course is unpredictable
but gradual extension of the areas involved is the norm. The disease may have a devastating
psychological impact, particularly in people with dark skin.