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Logo of annaldermaThis ArticleThis JournalAboutInformation for AuthorsOnline SubmissionAnnals of Dermatology
Ann Dermatol. 2009 February; 21(1): 102–105.
Published online 2009 February 28. doi:  10.5021/ad.2009.21.1.102
PMCID: PMC2883359

Two Cases of Annular Skin Defects Repaired with Quadruple Fan Flaps (O-X Flap)

Ji-Eun Oh, M.D., Sang-Min Lee, M.D.,1 and Kyu-Kwang Whang, M.D.corresponding author2


Nowadays, patients have high expectations when it comes to minimization of postoperative scarring after dermatologic surgical procedures. When an annular lesion is being excised, normal skin should be excised, as well, to prevent a dog ears resulting in a long scar. We introduce a new flap reducing the scar length in annular defects. In order to avoid a long scar, we designed a quadruple fan flap (O-X flap) that is a variation of the rotation flap. It consists of four rotation flaps arranged like fans, with open and closed configuration. We suggest that the quadruple fan flap (O-X flap) is a viable option for treating annular skin defects, because it shortens the scar line, preserves normal tissue, and provides a cosmetically favorable outcome.

Keywords: Annular skin defect, O-X flap, Quadruple fan flap

Articles from Annals of Dermatology are provided here courtesy of Korean Dermatological Association and Korean Society for Investigative Dermatology