Hosokawa K, Susuki T, Kikui T, Masada Y, Hashimoto H
Department of Plastic Surgery, Sumitomo Hospital, Osaka, Japan.
Ann Plast Surg. 1990 Aug;25(2):134-5. doi: 10.1097/00000637-199008000-00011.
The trapdoor deformity has been thought to be the result of contraction of the semicircular scar of the skin surface. The hypothesis is presented that a sheet of internal scar is primarily responsible for raising the skin inside the semicircle.