543 Expert opinion about laser and Intense Pulsed Light induced vitiligo: a cross-sectional survey study

Vitiligo patients may desire laser hair removal, skin rejuvenation, vascular treatments and other or Intense Pulsed Light (IPL) assisted treatments. However, there is a risk of inducing new vitiligo patches (Koebner phenomenon). In absence guidelines on the safe use IPL in patients, dermatologists tend to be reluctant administer these The aim this survey study was provide an estimation occurrence related factors laser/IPL-induced vitiligo. A cross-sectional performed among 15 experts from 11 countries, with 14 questions about affected involved laser/IPL physicians’ approach. total 10670 reported 30 (0,0027%). Of these, 12 (40%) had medical history seven (58%) stable (>12 months) before treatment. Most frequently were removal procedures localization face legs. Side effects like blistering, crusting erosions occurred 56,7% cases. These based their advice treatment stability (43%) activity signs (50%), 50% discuss risks starting Relevant are Koebner phenomenon (57,1%), confetti lesions (57,1%) hypochromic borders (50%). Laser-induced uncommon phenomenon. Remarkably, minority which 58% stable. Consequently, most cases could not have been prevented by treating patients. majority damage. Therefore caution advised aggressive settings test-spots prior recommended. This showed significant variation current recommendations approach regarding