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J Am Acad Dermatol. 2010 Dec;63(6):1006-10. doi: 10.1016/j.jaad.2009.11.032. Epub 2010 Mar 11.

Increased prevalence of left-sided skin cancers.

Author information

  • 1Department of Dermatology, Saint Louis University School of Medicine, Saint Louis, Missouri 63104, USA. suzybutler1@gmail.com

Abstract

BACKGROUND:

Previous research has shown an increase in photodamage and precancers on the left side of the face.

OBJECTIVE:

We sought to determine whether there is a higher frequency of skin cancer development on the left side of the body than the right.

METHODS:

The study was a retrospective review of patients with skin cancer referred to our Mohs micrographic surgery and cutaneous oncology unit in 2004.

RESULTS:

When including all types of skin cancers and both sexes, more cancers occurred on the left (52.6%) than the right (47.4%) (P = .059), with a stronger trend in men (P = .042). There were significantly more malignant melanoma in situ on the left (31/42, 74%) than the right (11/42, 26%) (P = .002).

LIMITATIONS:

Population was comprised of patients referred to an academic medical center and often for Mohs micrographic surgery.

CONCLUSIONS:

There were significantly more skin cancers on the left than the right side in men. This discrepancy was even more profound in malignant melanoma in situ.

Copyright © 2009 American Academy of Dermatology, Inc. Published by Mosby, Inc. All rights reserved.

PMID:
20226568
[PubMed - indexed for MEDLINE]
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