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Biportal endoscopic transorbital approach: a quantitative anatomical study and clinical application

Authors
 Jaejoon Lim  ;  Tae Hoon Roh  ;  Woohyun Kim  ;  Ju-Seong Kim  ;  Je Beom Hong  ;  Kyoung Su Sung  ;  Ju Hyung Moon  ;  Eui Hyun Kim  ;  Chang-Ki Hong 
Citation
 ACTA NEUROCHIRURGICA, Vol.162(9) : 2119-2128, 2020-09 
Journal Title
 ACTA NEUROCHIRURGICA 
ISSN
 0001-6268 
Issue Date
2020-09
Keywords
Anatomic study ; Biport ; Cavernous sinus ; Endoscopic transorbital ; Skull base surgery
Abstract
Background: We devised a biportal endoscopic transorbital approach (BiETOA) to gain surgical freedom by making a port for the endoscope and investigated the benefits and limitations of BiETOA. Methods: A cylindrical port was designed and 3-D printed using biocompatible material. The port was inserted through a keyhole between the superolateral side of the orbital rim and the temporal muscle. An endoscope was inserted through the port, and other instruments were inserted through the conventional transorbital route. BiETOA was used to dissect eight cadaveric heads, and the angle of attack and surgical freedom were assessed. Results: The mean maximal angle of attack was significantly different in BiETOA and endoscopic transorbital approach (ETOA) (P < 0.01) but not in BiETOA and ETOA lateral orbital rim (LOR) osteotomy (P = 0.207, P = 0.21). The mean surgical freedom was significantly different in BiETOA and ETOA (P < 0.01) and in BiETOA and ETOA LOR osteotomy (P < 0.01). In the clinical cases, tumors were removed successfully without any complications. Conclusions: BiETOA provided increased surgical freedom and better visibility of deep target lesion and resulted in good surgical and cosmetic outcomes.
Full Text
https://link.springer.com/article/10.1007%2Fs00701-020-04339-0
DOI
10.1007/s00701-020-04339-0
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eui Hyun(김의현) ORCID logo https://orcid.org/0000-0002-2523-7122
Moon, Ju Hyung(문주형)
Hong, Chang Ki(홍창기) ORCID logo https://orcid.org/0000-0002-2761-0373
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179737
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