Your doctor can usually diagnose seborrheic keratosis by inspecting the growth. If the diagnosis is uncertain, particularly if the lesion might be cancer, your doctor might recommend removal so the tissue can be examined under a microscope.
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- Goldsmith LA, et al., eds. Fitzpatrick's Dermatology in General Medicine. 8th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=740. Accessed July 3, 2013.
- Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed July 3, 2013.
- Seborrheic keratosis. American Academy of Dermatology. http://www.aad.org/dermatology-a-to-z/diseases-and-treatments/q---t/sebhorrheic-keratoses. Accessed July 3, 2013.
- AskMayoExpert. Seborrheic keratosis. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2013.
- Goldstein BG, et al. Overview of benign lesions of the skin. http://www.uptodate.com/home. Accessed July 3, 2013.