title: Angiokeratoma circumscriptum naeviforme: successful treatment with carbon-dioxide laser vaporization.
abstract: BACKGROUND
  Angiokeratoma circumscriptum naeviforme (ACN) is an unusual type of localized angiokeratoma that occurs more frequently in females and is usually located on the buttocks or thighs, showing a unilateral distribution. ACN usually causes large lesions, which may require laser ablation because they often are too extensive to perform surgical excision. Carbon-dioxide laser is a known alternative for treating angiokeratomas.
  
  
  OBJECTIVE
  Report of two cases of ACN treated with carbon-dioxide laser vaporization.
  
  
  METHODS
  A 28-year-old woman with a hyperkeratotic, violaceus plaque on her left buttock and a 24-year-old woman with a similar lesion on her right buttock were treated with a carbon-dioxide laser. Two laser passes were performed on each lesion within a single session.
  
  
  RESULTS
  A successful cosmetic aspect of treated areas was obtained, with minimal pigmentary or textural changes. After a 2-year follow-up in the first patient and a 6-month follow-up in the second patient, no recurrence of the lesions was observed.
  
  
  CONCLUSIONS
  Our results, obtaining relevant cosmetic improvement after a few sessions of treatment, with low morbidity and minimal secondary effects, suggest that continuous-wave carbon-dioxide laser vaporization is a safe and effective treatment for ACN.
authors.affiliation: Department of Dermatology, Hospital Juan Canalejo, La Coruña, Spain. del_pozo@canalejo.org
authors.forename: Jesús
authors.initials: J
authors.lastname: del Pozo
authors.forename: Eduardo
authors.initials: E
authors.lastname: Fonseca
mesh_terms: D000328:Adult; D000794:Angiokeratoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery*; D002081:Buttocks / Q000473:pathology / Q000601:surgery; D002245:Carbon Dioxide; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D053685:Laser Therapy / Q000379:methods; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery*
chemical_list: D002245:Carbon Dioxide