HealthDay News — The majority of melanomas arise from new lesions rather than existing moles, according to a review published online in the Journal of the American Academy of Dermatology.1

Researchers conducted a review of 38 previously published medical studies involving 20,126 melanomas.

The findings showed that only 29.1% of the skin cancers started in moles patients already had, while 70.9% arose as new lesions on the skin.


Continue Reading

“In conclusion, in this systematic review and meta-analysis we found that less than one-third of melanomas were nevus-associated and that nevus-associated melanomas were less thick than de novo melanomas,” the authors write.

“Among nevus-associated melanomas, we found no significant differences in the distribution of dysplastic and nondysplastic remnants.”

Related Articles

Reference

  1. Pampena R, Kyrgidis A, Lallas A, Moscarella E, Argenziano G, Longo C. A meta-analysis of nevus-associated melanoma: prevalence and practical implications [published online August 22, 2017]. J Am Acad Dermatol. doi: 10.1016/j.jaad.2017.06.149