RT Book, Section A1 Saavedra, Arturo P. A1 Roh, Ellen K. A1 Mikailov, Anar SR Print(0) ID 1199568796 T1 Miscellaneous Epidermal Disorders T2 Fitzpatrick’s Color Atlas and Synopsis of Clinical Dermatology, 9e YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264278015 LK dermatology.mhmedical.com/content.aspx?aid=1199568796 RD 2024/04/25 AB Velvety thickening and hyperpigmentation of the skin, seen chiefly on the neck, axilla, groins, and other body folds. Usually symmetric.May be hyperkeratotic and associated with skin tags.A cutaneous marker related to heredity, obesity, endocrine disorders (particularly diabetes), medication, and malignancy.Benign and malignant types.