Classification and surgical approaches for transnasal endoscopic skull base chordoma resection: a 6-year experience with 161 cases.

Classification and surgical approaches for transnasal endoscopic skull base chordoma resection: a 6-year experience with 161 cases.

Neurosurg Rev. 2016 Feb 3;

Authors: Gui S, Zong X, Wang X, Li C, Zhao P, Cao L, Zhang Y

Abstract
The aim of this study is to retrospectively analyze 161 cases of surgically treated skull base chordoma, so as to summarize the clinical classification of this tumor and the surgical approaches for its treatment via transnasal endoscopic surgery. Between August 2007 and October 2013, a total of 161 patients (92 males and 69 females) undergoing surgical treatment of skull base chordoma were evaluated with regard to the clinical classification, surgical approach, and surgical efficacy. The tumor was located in the midline region of the skull base in 134 cases, and in the midline and paramedian regions in 27 cases (extensive type). Resection was performed via the transnasal endoscopic approach in 124 cases (77 %), via the open cranial base approach in 11 cases (6.8 %), and via staged resection combined with the transnasal endoscopic approach and open cranial base approach in 26 cases (16.2 %). Total resection was achieved in 38 cases (23.6 %); subtotal resection, 86 cases (53.4 %); partial resection of 80-95 %, 29 cases (18 %); and partial resection <80 %, 8 cases (5 %). The clinical classification method used in this study seems suitable for selection of transnasal endoscopic surgical approach which may improve the resection degree and surgical efficacy of skull base chordoma. Gross total resection of skull base chordoma via endoscopic endonasal surgery (with addition of an open approach as needed) is a safe and viable alternative to the traditional open approach.

PMID: 26846667 [PubMed - as supplied by publisher]

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