TY - CHAP M1 - Book, Section TI - Skin Aging A1 - Kerns, Michelle L. A1 - Chien, Anna L. A1 - Kang, Sewon A2 - Kang, Sewon A2 - Amagai, Masayuki A2 - Bruckner, Anna L. A2 - Enk, Alexander H. A2 - Margolis, David J. A2 - McMichael, Amy J. A2 - Orringer, Jeffrey S. PY - 2019 T2 - Fitzpatrick's Dermatology, 9e AB - AT-A-GLANCEIntrinsic skin aging includes the inevitable physiologic changes of the skin that occur with time and are influenced by genetic and hormonal factors.Extrinsic skin aging is the preventable structural and functional changes of the skin that occur with exposure to environmental factors, the most important source being ultraviolet radiation.Intrinsic and extrinsic aging of the skin have distinct histologic and clinical manifestations.Oxidative damage is a common component of the multiple mechanisms of aging.Geriatric dermatoses include solar lentigines, seborrheic keratoses, senile angiomas, xerosis, asteatotic eczema, and pruritus.There is increased incidence of benign and malignant skin growths in the elderly population.Infections in the elderly often have distinctive causative organisms and increased morbidity and mortality relative to younger patients. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - accessmedicine.mhmedical.com/content.aspx?aid=1161334118 ER -