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Outcomes After Transcranial and Endoscopic Endonasal Approach for Tuberculum Meningiomas-A Retrospective Comparison.
World Neurosurg. 2018 Jan;109:e434-e445
Authors: Song SW, Kim YH, Kim JW, Park CK, Kim JE, Kim DG, Koh YC, Jung HW
Abstract
BACKGROUND: Degree of resection and visual outcome are the main concerns in the surgical resection of tuberculum sellae meningioma (TSM). In addition to the transcranial approach (TCA), the endoscopic endonasal approach (EEA) has been used increasingly. However, the controversy regarding the optimal surgical approach is not clearly resolved.
METHODS: We compared the surgical outcomes of each approach for TSMs from 44 patients receiving EEA and 40 patients receiving TCA in 2 institutions between 2004 and 2015. We analyzed the surgical outcomes and affecting factors for the relapse of tumor and visual outcome.
RESULTS: Gross total resection rates and relapse-free survival were not different between the 2 groups; however, the locations of residual or recurred tumor definitely differed. All recurrences in the TCA group were in the sella turcica, whereas residual tumors in EEA group were mainly located at lateral or superior to the clinoid process. The complete or partial improvement rate of visual function in the EEA group was 97.7%, but 9 patients (23.7%) in the TCA group experienced visual deterioration after surgery. EEA and younger age (<55 years) were associated with favorable visual outcome. Cerebrospinal fluid leakage occurred in only one case in the EEA group.
CONCLUSIONS: Surgical approaches do not affect the gross total resection rates, but the locations of residual tumor or recurrence differ according to surgical approaches. EEA is superior to TCA in visual outcome. At least in pure TSMs, the trend seems to be shifting in favor of EEA, considering the huge difference in visual outcome.
PMID: 29017976 [PubMed - indexed for MEDLINE]
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