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Use of the O-Z flap as an alternative to free tissue transfer for reconstruction of large scalp defects
Journal article   Open access   Peer reviewed

Use of the O-Z flap as an alternative to free tissue transfer for reconstruction of large scalp defects

Austin C. Cao, Ryan M. Carey, Mitali Shah, Kevin Chorath, Robert M. Brody, Steven B. Cannady, Jason G. Newman, Rabie M. Shanti and Karthik Rajasekaran
World Journal of Otorhinolaryngology-Head and Neck Surgery
30 Apr 2022
DOI: https://doi.org/10.1016/j.wjorl.2021.04.006
url
https://doi.org/10.1016/j.wjorl.2021.04.006View
Published, Version of Record (VoR)CC BY-NC-ND V4.0,  Open

Abstract

Facial plastics Free flap reconstruction Head and neck cancer Local flaps Microvascular surgery Scalp reconstruction
The reconstruction of large scalp defects poses both functional and cosmetic challenges. While free tissue transfer remains the standard for defects larger than 30 cm2, prolonged anesthesia and postoperative complications remain significant limitations. The purpose of this study is to evaluate the use of O-Z flaps for the reconstruction of large scalp defects and to describe the techniques employed. This is a retrospective analysis of ten patients who underwent reconstructive surgery using an O-Z flap approach for large scalp defects between July 2017 and June 2019. The parameters included in this study were patient demographics, tumor characteristics, and postoperative management, collected for at least a year after surgery. In this cohort, the mean age was 76.1 years and 90% were male. All patients were treated for neoplastic skin lesions, with 70% located on the vertex and 30% located on the temporoparietal region. The mean size of defect was 52.0 cm2 (range: 38.6–63.8 cm2). The maximum hospital stay was two days, and no patients were readmitted within 30 days of surgery. There were no cases of wound infection or flap necrosis. All patients reported pain control with acetaminophen and ibuprofen. Four patients received adjuvant radiation, and there was no delay to receiving treatment following surgery. The O-Z flap is a reliable alternative for the reconstruction of non-irradiated scalp defects in the vertex and temporoparietal regions up to 63 cm2. This technique provides advantages for patients, including hairline preservation, shorter hospital stays, and decreased postoperative complications.

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