The earliest studies on the laser treatment of vascular disorders were on port wine stains (PWS) and published in the 1970s using both the argon and ruby lasers (Table 2.1). Most work was undertaken with the argon laser. In the 1980s this was the most frequently used laser worldwide for the treatment of PWS. The argon laser emits light at six different wavelengths in the blue green portion of t...

BACKGROUND The use of cryogen spray cooling in the course of dye laser treatment of port-wine stains has established itself in recent years because of its good analgesic and epidermally protective effects. The disadvantages of this kind of evaporative cooling are the cost and, in the case of dichlorodifluoromethane, the effects on the ozone layer. Cold air is an innovative cooling method that c...

introduction: port wine stains (pws) are congenital vascular malformations. pulsed dye laser (pdl) is the treatment of choice till now, although many lesions do not respond completely. one of possible options is long pulsed alexandrite laser. some literatures confirmed its efficacy. the aim of the present study is to determine the efficacy of this laser as an option in treating refractory pws i...

Sturge-Weber syndrome (SWS) is a neurocutaneous disorder characterized by cutaneous facial angioma, leptomeningeal angioma associated with seizures and other neurologic complications including mental retardation, and glaucoma. Only limited information about long-term outcome, including the societal integration of adult patients, is available in the literature. Data on 52 adults with SWS, ages 1...

We suggest a novel method that uses artificial blood cells (hemoglobin vesicles, Hb-Vs) as photosensitizers in dye laser treatment (at 595-nm wavelength) for port-wine stains (i.e., capillary malformations presenting as red birthmarks) based on the results of animal experiments. As compared with human red blood cells, Hb-Vs have the same absorbance of 595 nm wavelength light and produce the sam...