Keystone flap for reconstruction of ulnar side defect of the hand: a case report

Soft tissue defects of the hand may present in various forms and are often challenging to treat. The goal surgical reconstruction includes both functional aesthetic aspects. keystone-design perforator island flap is a multi-perforator advancement with safe harvesting technique, reliable blood supply, minimal donor site morbidity, simple dissection process that obviates need for microsurgical techniques. Our patient was an 85-year-old man squamous cell carcinoma on left-hand ulnar side. had difficulty ambulation used affected area stand up. Thus, we planned using omega-variant type B keystone further reduce tension during insetting provide sufficient padding would protect against excessive pressure postoperatively. were closed primarily, without any postoperative complications. satisfied outcome after 19-month follow-up.