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European Archives of Oto-Rhino-Laryngology

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01-06-2019 | Head & Neck

Endoscopic anatomical study of the trans-lateral molar approach to the infratemporal fossa

Authors: Wei-wei Cai, Yan Zou, Zhuang Kang, Jian-gang Liang, Hai-yong He, Qin-tai Yang

Published in: European Archives of Oto-Rhino-Laryngology | Issue 6/2019

Abstract

Background

The infratemporal fossa (ITF) is located deep in the skull base. Recently, the endoscopic transoral approach has enabled maxillofacial surgeons to access the ITF using a less invasive approach compared to the traditional transfacial and endonasal endoscopic approaches.

Objective

The present study aims to provide maxillofacial surgeons with new data concerning direct endoscopic measurement and precise anatomical topography features of the endoscopic trans-lateral molar approach to ITF by comparing the endoscopic and regional anatomy of ITF. A clinical case receiving the proposed surgical approach is used to determine the feasibility of this technique.

Method

The anatomical data were obtained by measuring the bone anatomical landmarks and analyzing the CT imaging data using GE’s Advance Windows 4.1 software on 25 subjects (50 sides). Morphological pictures of the regional anatomy and endoscopic anatomy were obtained from 6 (12 sides) adult cadaver heads, and the anatomical features were described. The present study reports the management of one case using the proposed surgical approach.

Results

The proposed surgical approach clearly revealed neurovascular, muscular, and surgical landmarks in the ITF. The surgical case supports the minimally invasive treatment approach, which could rapidly access the ITF and completely excise benign tumors.

Conclusion

The anatomical studies and surgical case presentation helps us understand the spatial relationship of surgical landmarks of the surgical approach to the ITF for the treatment of benign lesions in the deep cranial base area.

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Title: Endoscopic anatomical study of the trans-lateral molar approach to the infratemporal fossa
Authors: Wei-wei Cai
Yan Zou
Zhuang Kang
Jian-gang Liang
Hai-yong He
Qin-tai Yang
Publication date: 01-06-2019
Publisher: Springer Berlin Heidelberg
Published in: European Archives of Oto-Rhino-Laryngology / Issue 6/2019
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-019-05409-5

At a glance: The STEP trials

Springer Medicine

Endoscopic anatomical study of the trans-lateral molar approach to the infratemporal fossa

Abstract

Background

Objective

Method

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Objective

Method

Results

Conclusion

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