"A disorder characterized by darkening of the skin due to excessive melanin deposition.CTCAE" . "Skin Hyperpigmentation"^^ . . "Darkening of the skin due to excessive melanin deposition. Causes include skin injuries, pregnancy, eczema, and Addison disease.NCI" . "Finding"^^ . "Skin HyperpigmentationPTNCI" . "C79731"^^ . "C0162834"^^ . . "Skin hyperpigmentationPTCTCAEE13718" . "Skin_Hyperpigmentation"^^ . . "Skin Hyperpigmentation"^^ .