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A Cadaveric Analysis of the Ideal Costal Cartilage Graft for Asian Rhinoplasty

 Dong-Hak Jung  ;  Seung-Ho Choi  ;  Samuel M. Lam  ;  Jung-Hyuk Im  ;  In-Hyuk Chung  ;  Hyoung-Jin Moon 
 PLASTIC AND RECONSTRUCTIVE SURGERY, Vol.114(2) : 545-550, 2004 
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Issue Date
Asian Continental Ancestry Group* ; Cartilage/pathology ; Cartilage/transplantation* ; Cicatrix/pathology ; Humans ; Postoperative Complications/pathology ; Rhinoplasty/methods* ; Ribs/pathology ; Ribs/surgery ; Tissue and Organ Harvesting/methods ; Wound Healing/physiology
Augmentation rhinoplasty of the Asian nose may be effectively accomplished with alloplastic materials. However, certain circumstances mandate the use of autologous grafts (e.g., dorsal augmentation that exceeds 8 mm and patient intolerance of alloplastic implants). Septal and auricular cartilages are inadequate for dorsal augmentation of the Asian nose. The use of costal cartilage for autologous augmentation in select Asian patients has proven to be a reliable method in more than 500 operative cases during a 10-year period. This study was designed to evaluate the ideal costal cartilage graft for augmentation rhinoplasty. Forty-two preserved cadavers were studied for the relationship of the individual rib cartilages to the surrounding tissue and for the length and caliber of each costal cartilage. The seventh rib was found to be the ideal rib graft by virtue of its safe location and overall size for grafting. The seventh rib is situated over the abdominal cavity, so the risk of pneumothorax is insignificant. The internal thoracic artery and vein descend in close apposition behind the first to sixth ribs but begin a course medial to the ribs inferior to this point, and therefore vascular injury during seventh-rib harvesting is unknown. The seventh rib also provides the greatest overall available length (90.7 mm, right; 89.6 mm, left) and thickness (17.6 mm, right; 17.5 mm, left). Despite the more conspicuous location of the incision required to harvest the seventh rib, the limited 3-cm incision that is used has healed favorably in almost all cases. The other major drawback for seventh-rib harvesting is the dissection required through the overlying rectus abdominis muscle, but little technical difficulty or postoperative morbidity is added with muscle dissection. The seventh rib is advocated as the ideal choice for augmentation rhinoplasty and potentially other recipient sites.
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1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
Yonsei Authors
Chung, In Hyuk(정인혁)
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