Treating pre-cancerous skin spots with a type of light therapy may be more effective than the usual therapy -- freezing the lesions with liquid nitrogen, a new study suggests.
This review of prior research found that people who underwent the light treatment -- called photodynamic therapy -- were 14 percent more likely to have the lesion completely cleared three months later than those who had the freezing treatment known as cryotherapy.
The treatment might be a good alternative for people who have 20 or 30 lesions, he said, since photodynamic therapy can treat them all at once, while cryotherapy deals with each lesion individually.
The report was published online Aug. 27 in JAMA Dermatology. Full news here.
Study mentioned:
JAMA Dermatol. 2014 Aug 27. doi: 10.1001/jamadermatol.2014.1253. [Epub ahead of print]
Efficacy of Photodynamic Therapy vs Other Interventions in Randomized Clinical Trials for the Treatment of Actinic Keratoses: A Systematic Review and Meta-analysis.
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