title: Single-center experience with potassium titanyl phosphate (KTP) laser for superficial cutaneous vascular lesions in face.
abstract: OBJECTIVE
  Superficial cutaneous vascular lesions (SCVLs) are quite common. Several types of lasers have been used to treat these lesions; however, there are no dedicated treatment guidelines and few studies in the literature addressed their treatment.
  
  
  OBJECTIVE
  In this paper, we aimed to report our clinical experience with potassium titanyl phosphate (KTP) laser treatment on different types of facial SCVLs including telangiectasia, spider angioma, and erythema.
  
  
  METHODS
  Data were retrospectively collected from 146 patients with SCVLs, who had been treated with the 532-nm wavelength laser at our outpatient dermatology clinic. Treatment responses were graded as four groups: clearance (> 75% improvement compared with the previous session), marked improvement (50-75%), partial improvement (25-50%), and no response (< 25%).
  
  
  RESULTS
  The rate of clearance plus marked improvement (favorable outcome) was 66.1% for telangiectasia group, 93.5% for spider angioma group, and 26.7% for erythema group. Mean number of treatments was 2.9 ± 1.4 for telangiectasia group, 1.4 ± 0.8 for spider angioma group, and 2.9 ± 1.7 for facial erythema group. Only minimal adverse effects related to treatment procedure were detected in 5 out of 146 (3.4%) patients.
  
  
  CONCLUSIONS
  Our results demonstrated that KTP laser might be a safe and effective laser modality for SCVLs, which may be associated with physiological problems due to cosmetic concerns.
authors.affiliation: a Department of Dermatology , School of Medicine, Sakarya University , Sakarya , Turkey.
authors.forename: Berna
authors.initials: B
authors.lastname: Solak
authors.affiliation: b Department of Dermatology , Sakarya University Training and Research Hospital , Sakarya , Turkey.
authors.forename: Bahar
authors.initials: B
authors.lastname: Sevimli Dikicier
authors.affiliation: b Department of Dermatology , Sakarya University Training and Research Hospital , Sakarya , Turkey.
authors.forename: Rabia
authors.initials: R
authors.lastname: Oztas Kara
authors.affiliation: a Department of Dermatology , School of Medicine, Sakarya University , Sakarya , Turkey.
authors.forename: Teoman
authors.initials: T
authors.lastname: Erdem
mesh_terms: D000328:Adult; D003357:Cosmetic Techniques / Q000009:adverse effects / Q000295:instrumentation; D004890:Erythema / Q000532:radiotherapy*; D005260:Female; D006391:Hemangioma / Q000532:radiotherapy*; D006801:Humans; D053844:Lasers, Solid-State / Q000009:adverse effects / Q000627:therapeutic use*; D028022:Low-Level Light Therapy / Q000295:instrumentation / Q000379:methods*; D008297:Male; D008875:Middle Aged; D013684:Telangiectasis / Q000532:radiotherapy*
keywords: Facial erythema; potassium titanyl phosphate (KTP) laser; spider angiomas; telangiectasia