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Treatment of a resistant port-wine stain with a new variable pulse-duration pulsed-dye laser
1Laser Surgery and Cosmetic Dermatology Centers, Bryn Mawr, PA, USA. dermguy@hotmail.com
Background And Objectives:
Because of the heterogeneity in port-wine stains, a number of them prove resistant to treatment with the pulsed-dye laser (PDL). A new variable pulse-duration PDL improves a refractory port-wine stain.
Study Design/Materials And Methods:
A 26-year-old man with a congenital port-wine stain underwent eight treatments with the 1.5-ms pulse-duration PDL resulting in minimal improvement. A single treatment was then administered with the 3-ms pulse-duration PDL.
Results:
Initial results of treatment with the 3-ms pulse-duration PDL on this patient's port-wine stain show dramatic clearance in areas previously treated with significantly higher fluences, an identical spot size, but with a pulse duration half as long.
Conclusion:
Vessel heterogeneity may require changing pulse durations once a port-wine stain or a portion of a port-wine stain becomes refractory to given pulse-duration.