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Photodamaged Skin

2004 Edition, May 26, 2004

Complete Document

Detail Summary

Active, Most Current

Additional Comments:
ISBN: 978-0-8247-5677-2
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Product Details:

  • Revision: 2004 Edition, May 26, 2004
  • Published Date: May 26, 2004
  • Status: Active, Most Current
  • Document Language: English
  • Published By: CRC Press (CRC)
  • Page Count: 230
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


Chronic exposure to ultraviolet radiation produces the visible signs of photodamage. These signs can be of a cosmetic nature or more significantly may manifest as skin cancer. The three common types of skin cancer are basal cell carcinoma, squamous cell carcinoma, and melanoma. Current estimates indicate that there are about 1.3 million new cases of skin cancer per year in the United States alone. Of this total, about 80% are basal cell carcinoma, 15% are squamous cell carcinoma, and 5% are melanoma. Basal cell carcinoma arises de novo on normal appearing sun damaged skin. Therefore, treatment is not currently possible until a visible tumor is detected. In contrast, squamous cell carcinoma has a readily identifiable precursor, the actinic keratosis. Similarly, atypical, or dysplastic, nevi may be a marker for high-risk individuals predisposed to melanoma. The identification of precursors and risk markers allow the clinician the opportunity for early intervention and preventative measures.

Years of damaging ultraviolet light exposure may also manifest clinically as a sallow complexion with roughened surface texture and variable degrees of dyspigmentation, telangiectasias, wrinkling, and skin laxity. These conditions are labeled as benign because no irreversible cellular damage has occurred that leads to dysplasia or neoplasia. Photodamage begins when the first ray of ultraviolet radiation strikes the skin after birth. While photodamage may be imperceptible at this stage, the appearance of the first facial freckle about age 3 already signals the cumulative cutaneous effects of ultraviolet radiation that will continue throughout life, ultimately producing both benign and malignant photodamage. This condition afflicts both genders, is present at all ages, is found in all skin types, and is intimately associated with cutaneous aging.

This book evaluates the current knowledge as it relates to both malignant and benign photodamage. The first half of the book deals with ultraviolet induced pre-malignant and malignant photodamage. Actinic keratoses and atypical nevi, basal cell carcinoma, squamous cell carcinoma, and melanoma are discussed in sequential chapters. The unifying theme of each chapter is the epidemiology, pathogenesis, diagnosis, and treatment of these lesions. The second half of the book begins with a look at benign ultraviolet induced photodamage. Subsequent chapters review both the surgical and medical treatments of these cosmetic ultraviolet induced skin changes. A final chapter looks at the unique changes of photodamage in ethnic skin types.

It is this tremendous interest in photodamaged skin that has propelled the surgical, medical, and cosmetic industries to seek increasingly better treatments for these vary common conditions. Photodamaged skin can be seen in the patients of almost every medical practice. Thus, this book represents a guide for all physicians treating patients with both malignant and benign photodamage.