Hypopigmentation of the skin Partial albinism Congenital partial albinism on face, trunk, or limbs HP:0007443 SNOMEDCT_US:6479008 Congenital partial leucoderma UMLS:C0080024 Partial absent skin pigmentation SNOMEDCT_US:718122005 Absence of melanin pigment in various areas, which is found at birth and is permanent. The lesions are known as leucoderma and are often found on the face, trunk, or limbs. HP:0001044