Thirty-nine patients were treated with pulsed dye laser and thirty-three patients were treated with LPNY laser. Seventy-two patients with recalcitrant warts were evaluated. We retrospectively analyzed the medical records of patients with recalcitrant warts treated with laser therapy between January 2013 and February 2016. In this study, we compared the effectiveness of pulsed dye laser (PDL) and long pulsed Nd:YAG (LPNY) laser in the treatment of recalcitrant viral warts. But the treatment of recalcitrant warts is still challenging. Viral warts are common infectious skin disease induced by human papillomavirus (HPV). Shin, Yo Sup Cho, Eun Byul Park, Eun Joo Kim, Kwang Ho Kim, Kwang Joong However, there is a risk of dyspigmentation when using the LPPAL.Ī comparative study of pulsed dye laser versus long pulsed Nd:YAG laser treatment in recalcitrant viral warts. Targeting of deoxyhemoglobin, deeper penetration, and higher fluence may explain the effectiveness of LPPAL in purple, hypertrophic PWSs. ![]() LPPAL works best with hypertrophic, purple PWSs, while LPPDL yields better clinical improvements with the flat, pink PWSs. Hypopigmentation was seen in one area treated with LPPAL, but not in any of the areas treated with LPPDL. Hyperpigmentation was seen in two areas treated with LPPDL and in three areas treated with LPPAL. Both LPPDL and LPPAL treatment are effective in the treatment of PWSs. The patients' PWSs were evaluated for efficacy of elimination of erythema and for treatment-related side effects. ![]() One section of each patient's PWS was treated with LPPDL and another section was treated with LPPAL. Eleven patients with Fitzpatrick skin types III-IV were enrolled in this study. In the present study, we compare the efficacy and complications of the long- pulse pulsed dye laser (LPPDL) and the long- pulse pulsed alexandrite laser (LPPAL) in the treatment of PWSs. Recently, a long- pulse pulsed alexandrite laser was used to treat bulky vascular malformations. ![]() Port wine stains (PWSs) are commonly treated by the pulsed dye laser. Li, Li Kono, Taro Groff, William Frederick Chan, Henry H Kitazawa, Yoshihiko Nozaki, Motohiro Comparison study of a long- pulse pulsed dye laser and a long- pulse pulsed alexandrite laser in the treatment of port wine stains.
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