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Dermatol Ther. 2015 Mar-Apr;28(2):74-8. doi: 10.1111/dth.12187. Epub 2014 Dec 4.

Treatment of keloids with laser-assisted topical steroid delivery: a retrospective study of 23 cases.

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Department of Dermatology, University Hospital of Nice, Nice, France.


Topical or intralesional corticosteroids are referred to as gold standard treatments for keloids. Recent studies showed that ablative fractional laser (AFL) treatment facilitates delivery of topical drug deeply into the skin by creating vertical channels. The objective of the present study was to assess the ablative erbium laser in fractionated mode, combined with topical high potent corticosteroid cream for treating resistant keloid scars. We conducted a retrospective study in the laser center of the Department of Dermatology (University Hospital of Nice, France), from January 2010 to June 2012, on patients with keloids who were resistant to a first-line of treatment. A 2940-nm ablative fractional erbium laser was used. Topical betamethasone cream was applied twice a day under occlusion with transparent film dressings. A total of 23 patients with 70 keloids were treated from January 2010 to June 2012. The median percentage of improvement was 50% (range -43 to 84). The mean follow-up was 8 months (range 3-18), and a recurrence was observed for eight lesions (22%). Although this observation warrants a prospective comparative evaluation, it supports the interest of the laser-assisted delivery of steroids for treating keloids scars.


ablative fractional laser; keloid treatment; laser-assisted drug delivery; topical corticosteroids; transepidermal drug delivery

[Indexed for MEDLINE]

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