Three-dimensional surface imaging showed that laser treatment reduced the average area of port wine stains and can help dermatologic surgeons monitor changes in port wine stains after laser treatment, according to a retrospective study published in the journal Lasers in Surgery and Medicine. Researchers used 3D surface imaging to measure the area and volume of the lesions before and after sequential pulsed dye laser treatment, with or without alexandrite laser treatments. The average measured area was reduced from an initial 44.3 square centimeters to 36.9 square centimeters, and average volume change was 1.9 cubic centimeters after five or more laser treatments.

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