RT Book, Section A1 Saavedra, Arturo P. A1 Roh, Ellen K. A1 Mikailov, Anar SR Print(0) ID 1199568731 T1 Ichthyoses 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 accessmedicine.mhmedical.com/content.aspx?aid=1199568731 RD 2024/10/10 AB A group of hereditary disorders characterized by an excess accumulation of cutaneous scale, varying from very mild and asymptomatic to life threatening.More than 20 ichthyoses exist; most are extremely rare and often part of multiorgan syndromes. The most common types are discussed here along with a brief discussion of two syndromic ichthyoses and ichthyosis affecting the newborn.Acquired ichthyosis can be a manifestation of systemic disease, malignancy, drugs, endocrine disease, autoimmune disease, and HIV as well as other infections.