Melanocytic nevus causes: Difference between revisions
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==Overview== | ==Overview== | ||
Scientists suspect that overexposure to [[ultraviolet]] light, including excessive sunlight, may play a role in the formation of acquired moles.<ref>Arne van Schanke, Gemma M.C.A.L. van Venrooij, Marjan J. Jongsma, H. Alexander Banus, Leon H.F. Mullenders, Henk J. van Kranen and Frank R. de Gruijl. Induction of Nevi and Skin Tumors in Ink4a/ArfXpa Knockout Mice by Neonatial, Intermittent, or Chronic UVB Exposures. Cancer Res 2006; 66 (5), 2608-15.</ref> However, more [[research]] is needed in this area. | |||
==Causes== | ==Causes== | ||
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Editors-In-Chief: Martin I. Newman, M.D., FACS, Cleveland Clinic Florida, [1]; Michel C. Samson, M.D., FRCSC, FACS [2]
Overview
Scientists suspect that overexposure to ultraviolet light, including excessive sunlight, may play a role in the formation of acquired moles.[1] However, more research is needed in this area.
Causes
Sunlight
Some scientists suspect that overexposure to ultraviolet light, including excessive sunlight, may play a role in the formation of acquired moles.[2] However, more research is needed in this area.
Genes
Genes can also have an influence on a person’s moles.
Dysplastic nevi or atypical mole syndrome is a hereditary condition which causes the person to have a large quantity of moles (often 100 or more) with some larger than normal or atypical. This often leads to a higher risk of melanoma, a serious skin cancer.[3] A slight majority of melanomas do not form in an existing mole, but rather create a new growth on the skin. Nevertheless, those with more dysplastic nevi are at a higher risk of this type of melanoma occurrence.[4][5] Such persons need to be checked regularly for any changes in their moles and to note any new ones.
References
- ↑ Arne van Schanke, Gemma M.C.A.L. van Venrooij, Marjan J. Jongsma, H. Alexander Banus, Leon H.F. Mullenders, Henk J. van Kranen and Frank R. de Gruijl. Induction of Nevi and Skin Tumors in Ink4a/ArfXpa Knockout Mice by Neonatial, Intermittent, or Chronic UVB Exposures. Cancer Res 2006; 66 (5), 2608-15.
- ↑ Arne van Schanke, Gemma M.C.A.L. van Venrooij, Marjan J. Jongsma, H. Alexander Banus, Leon H.F. Mullenders, Henk J. van Kranen and Frank R. de Gruijl. Induction of Nevi and Skin Tumors in Ink4a/ArfXpa Knockout Mice by Neonatial, Intermittent, or Chronic UVB Exposures. Cancer Res 2006; 66 (5), 2608-15.
- ↑ Burkhart, C.G MPH, MD. Dysplastic nevus declassified; even the NIH recommends elimination of confusing terminology. SKINmed: Dermatology for the Clinician 2(1):12-13, 2003.
- ↑ D.J. Pope, T. Sorahan, J.R. Marsden, P.M. Ball, R.P. Grimley and I.M. Peck. Benign pigmented nevi in children. Arch of Dermatology 2006;142:1599-1604
- ↑ D.E. Goldgar, L.A. Cannon-Albright, L.J. Meyer, M.W. Pipekorn, J.J. Zone, M.H. Skolnick. Inheritance of Nevus Number and Size in Melanoma and Dysplastic Nevus Syndrome Kindreds. Journal of the National Cancer Institute 1991 83(23):1726-1733