Flap advancement coverage after excision of large mucous cysts.

Mucous cysts are common problems seen by hand surgeons. Surgical excision of symptomatic cysts is the most commonly accepted treatment. Removal of large mucous cysts often requires simultaneous flap coverage or skin grafting for the resulting defect. We present the use of a dorsal advancement flap to permit excellent skin coverage after cyst excision with a tension-free closure.