Slide show: Sun damage

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Slide show: Sun damage

Previous Next 9 of 10 Actinic keratoses

Actinic keratoses (ak-TIN-ik ker-uh-TOE-seez) appear as rough, scaly patches that can range from tan or dark pink to brown. Also called solar keratoses, these patches are commonly found on the sun-exposed areas of people who have light skin. If left untreated, actinic keratoses may progress to a type of skin cancer known as squamous cell carcinoma.

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Dinulos JGH. Light-related diseases and disorders of pigmentation. In: Habif's Clinical Dermatology. 7th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed Nov. 24, 2020.
Grimes PE, et al. Melasma: Epidemiology, pathogenesis, clinical presentation, and diagnosis. https://www.uptodate.com/contents/search. Accessed Nov. 24, 2020.
Wolff K, et al. Photosensitivity, photo-induced disorders and disorders by ionizing radiation. In: Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology. 8th ed. McGraw Hill; 2017. https://www.accessmedicine.mhmedical.com. Accessed Feb. 24, 2021.
Kang S, et al., eds. Melanocytic nevi. In: Fitzpatrick's Dermatology. 9th ed. McGraw Hill; 2017. https://www.accessmedicine.mhmedical.com. Accessed March 10, 2021.
Chien AL, et al. Photoaging. https://www.uptodate.com/contents/search. Accessed March 4, 2021.
AskMayoExpert. Melasma. Mayo Clinic. 2020.
Schaffer JV, et al. Benign pigmented skin lesions other than melanocytic nevi (moles). https://www.uptodate.com/contents/search. Accessed March 10, 2021.
AskMayoExpert. Actinic keratosis. Mayo Clinic. 2020.
Dinulos JGH. Nevi and malignant melanoma. In: Habif's Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 7th ed. Elsevier; 2021. http://www.clinicalkey.com. Accessed Feb. 24, 2021.
Wolff K, et al. Precancerous lesions and cutaneous carcinomas. In: Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology. 8th ed. McGraw Hill; 2017. https://www.accessmedicine.mhmedical.com. Accessed Feb. 24, 2021.
Gawkrodger DJ, et al. Dermatology: An Illustrated Colour Text. 7th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed March 10, 2021.
Soutor C, et al. Structure and functions of the skin. In: Clinical Dermatology. McGraw Hill; 2013. https://www.accessmedicine.mhmedical.com. Accessed March 10, 2021.
Are some people more likely to get skin damage from the sun? American Cancer Society. https://www.cancer.org/healthy/be-safe-in-sun/sun-damage.html. Accessed March 10, 2021.
Office of Patient Education. How to recognize melanoma (skin cancer). Mayo Clinic; 2016.

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