Additonal Observations Using a Pulsed Carbon Dioxide Laser With a Fixed Pulse Duration

We read with interest the articles by Fitzpatrick et al^1,2in recent issues of theArchives. We recently evaluated the histopathologic features seen in the skin of a weanling pig at 30 to 60 minutes after laser débridement using 1, 2, and 3 passes of a pulsed carbon dioxide laser (Tru-Pulse, Tissue Technologies, Albuquerque, NM). In addition to routine hematoxylin-eosin staining, we used nitroblue— tetrazolium chloride (NBTC) staining,...