Use of Carbon dioxide Laser Vaporization for Treatment of HPV Infection Carbon dioxide laser vaporization is actively used in the treatment of HPV-related lesions including anogenital warts, mucosal warts, perurethral warts, vaginal warts and vaginal SILs. Moreover, this procedure is first choice for treatment of pregnant women with HPV-related lesions who fail to respond to trichloroacetic acid (TCA).