Incision site tissue necrosis after dacryocystorhinostomy.

Incision site tissue necrosis (ISTN) after surgical procedures of the facial area is rare. In this article, two patients who have suffered from ISTN after dacryocystorhinostomy (DCR) are reported. No known causes have been found for this complication; however, over-cauterization could be considered a contributing factor in at least one of our cases.