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A 0.7-cm cyst developed during 1 year in a 46-year-old man. a View of the cyst. b A hole about 2 mm in diameter created by multiple punctures of a carbon dioxide laser. c Partial cystic contents exuded through the hole by gentle pressure and squeezing. d Reduced cyst 36 days after the laser treatment. The total cystal wall is easy to remove completely under direct vision. e The resulting scar is not noticeable 1 week after removal of the cystal wall
