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논문 기본 정보

자료유형
학술저널
저자정보
Daekwan Chi (The PLUS Plastic Surgery Seoul) 이석기 (Department of Plastic and Reconstructive Surgery Chungnam National University College of Medicine) Jae-Hee Kim (The PLUS Plastic Surgery) Taek Kyun Kim (The PLUS Plastic Surgery Clinic) Jae Yong Jeong (The PLUS Plastic Surgery) Sunje Kim (Chungnam National University Hospital) Sang-Ha Oh (Chungnam National University Hospital)
저널정보
대한미용성형외과학회 Archives of Aesthetic Plastic Surgery Archives of Aesthetic Plastic Surgery Vol.27 No.1
발행연도
2021.1
수록면
12 - 17 (6page)

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Ear cartilage is a preferred graft material in rhinoplasty. However, after harvest, instability of the auricular framework may arise as a form of donor site morbidity. In the harvest of ear cartilage, the posterior auricular ligament (PAL) is usually sacrificed in order to obtain as much cartilage as possible. Since damage to the PAL may cause auricular instability, we studied the periauricular anatomy using cadavers and evaluated auricular stability during surgery. Methods Six ears from hemifacial cadavers were studied to clarify the exact anatomy of the PAL. Then, the recoil force of the auricle was serially measured to evaluate the stability of the auricular framework in 30 patients during surgery: before making the skin incision (M1), before and after cutting the PAL (M2, M3), and after harvesting the cymba concha (M4). The differences in force observed after cutting the PAL (ΔM2– M3) and after harvesting the cymba concha (ΔM3–M4) were statistically analyzed. Results In the cadaveric study, the PAL was identified between the superficial and deep mastoid fasciae and connected the caudal aspect of the cymba concha to the deep mastoid fascia. During surgery, the PAL accounted for 16.20% of the total auricular recoil force. The recoil force decreased by 13.61 N and 11.25 N after cutting the PAL and harvesting the cymba concha, respectively. These decreases were statistically significant (P<0.05). Conclusions The results suggest that the PAL is a supporting structure of the auricle. Therefore, to preserve auricular stability, minimizing damage to the PAL while harvesting the ear cartilage may be helpful.

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