“…198 Case reports have described improvement or resolution of skin lesions, especially popular and nodular sarcoidosis, scar sarcoidosis, and lupus pernio, 199 with several lasers, including pulsed dye laser (PDL), [200][201][202] carbon dioxide (CO 2 ), 203,204 neodymium:yttrium aluminum garnet, 205 and Q-switched ruby lasers. 206 In one of these reports, significant improvement of lupus pernio recalcitrant to systemic steroids and steroid-sparing agents was achieved with PDL therapy followed by nonablative fractional resurfacing. 207 However, ulceration after PDL treatment 208 and induction of sarcoidal lesions after CO 2 laser ablation 209 have also been reported.…”