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- Presentation
Combination Laser Treatments for Hypertrophic Scars and Keloids in High Phototypes
Description
The speaker explains how to manage hypertrophic scars and keloids in high-phototype patients by first distinguishing the two conditions: hypertrophic scars stay within the wound boundary and may regress, while keloids extend beyond it and show more disorganized collagen and vascularity. He emphasizes that successful treatment often requires combining modalities rather than relying on a single technique. Options discussed include intralesional corticosteroids, cryotherapy, 5-FU, microneedling radiofrequency, and multiple laser types such as ablative, non-ablative fractional, Nd:YAG, and picosecond lasers. His preferred approach in darker skin types is combining microchannel creation with microneedling or fractional technologies followed by non-ablative laser, because the laser targets water in the microchannels, improving heat delivery and results with low complication rates and less risk of post-inflammatory hyperpigmentation. He presents several case examples showing improvement after multiple sessions, including reduced thickness, pain, itching, and better mobility and quality of life. He also describes an early intervention protocol using fractional picosecond laser soon after surgery, with treatment started around suture removal and continued monthly, supported by photographic follow-up and ultrasound thickness measurements. His key take-home points are that early treatment matters, scar type should guide therapy, and combined treatments are the most effective for hypertrophic scars and keloids.
View moreConclusions
- Hypertrophic scars and keloids differ histologically and clinically, and understanding those differences is important for choosing treatment.
- Combined treatment strategies appear more effective than single modalities for improving hypertrophic scars and keloids.
- Laser-based therapies can improve scar thickness, redness, texture, and symptoms such as pain and itching, including in high phototypes.
- Non-ablative fractional laser combined with intralesional corticosteroid or 5-FU showed good clinical results in several cases.
- Ablative and non-ablative laser combinations, including Er:YAG or 1340 nm approaches, produced visible scar improvement after a small number of sessions.
- Microneedling RF followed by non-ablative laser seems especially useful in high phototypes because microchannels may enhance energy delivery while limiting complications.
- Picosecond laser in fractional mode may help prevent or reduce surgical scar hypertrophy when started early after suture removal.
- Early intervention during the proliferative phase of wound healing is emphasized as a way to shorten the repair process.
- Scar response should be assessed over time with photographs, standardized scar scales, and ultrasound thickness measurements when possible.
- Overall, the presentation concludes that individualized, early, combined laser-based therapy is the preferred approach for hypertrophic scars and keloids in phototypes IV-VI.
- Filippo, Md. Alexandre. “Pearl: my prefered laser combination to treat hypertrophic scars and keloids in Phototypes IV-VI.” American Academy of Dermatology Association presentation.
- Dra. Valéria Campos. Clinical slide on keloid scar treatment with “AFL 2940nm 100mtz/20d/500micras + Triancinolone 20mg injection.” American Academy of Dermatology Association presentation.