NCIt definition : Abnormal lightening of skin due to decreased melanin production or deposition. Vitiligo,
albinism, and leukoderma are among the disorders that are associated with skin hypopigmentation.;
Alternative definition : CTCAE: A disorder characterized by loss of skin pigment.; NICHD: A condition characterized by an abnormal loss of color to the skin due to the
depletion of melanocytes or melanin.; FDA: Abnormal lightening of skin due to decreased melanin production or deposition.;