Le laser excimer (308nm)(pour les professionnels)

Presentation -acts by inducing apoptosis of type T lymphocytes. -advantage: selective action -disadvantage: limited treatment surface and expensive -indications: psoriasis : we can combine the treatment with steroids and vitamin D derivatives. treatment of the plantar type unsatisfactory vitiligo: doses of 50-200mJ/cm2 (small doses) 2 treatment sessions per week for a maximum of 24 weeks…

IPL (Lampe flash) vs le laser à colorant pulsé (LCP)(pour les professionnels)

IPL (Intense-Pulsed Light) vs Pulsed-Dye Laser (PDL) (For Professionals) Introduction -IPL (Intense pulsed light): since 1994 many devices lots of indications (but overall less efective) usage by non doctors and lower doses easy to use but applicator more heavy than that of PDL. -Pulsed dye laser (PDL): only two devices a lot easier to use…

Les lasers ablatifs vs les lasers non-ablatifs (pour les professionnels)

Ablative Versus Non-Ablative Lasers (For Professionals) Introduction -ablative lasers (work by photocoagulation) or non-ablative lasers (work by photovaporisation)? -fractionated lasers use the prinicple of fractionated photothermolysis (concept introduced by Rox Anderson): small holes are created in the skin which stimulate deep in the dermis neocollagenesis. -fractionative lasers work deeper than classical lasers: 600-1000 microns. -3…