Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.

<h4>Objectives</h4>Many studies have investigated the surgical outcome and predictive factors of acoustic neuroma using different approaches. The present study focused on large tumors due to the greater likelihood of internal acoustic meatus involvement and the greater application of sur...

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Autores principales:	Kuan-Wei Chiang, Sanford P C Hsu, Tsui-Fen Yang, Mao-Che Wang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/45cd8d4d111c472e8ff5b728911934e3
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spelling	oai:doaj.org-article:45cd8d4d111c472e8ff5b728911934e32021-12-02T20:18:42ZImpact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.1932-620310.1371/journal.pone.0253338https://doaj.org/article/45cd8d4d111c472e8ff5b728911934e32021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253338https://doaj.org/toc/1932-6203<h4>Objectives</h4>Many studies have investigated the surgical outcome and predictive factors of acoustic neuroma using different approaches. The present study focused on large tumors due to the greater likelihood of internal acoustic meatus involvement and the greater application of surgical intervention than radiosurgery. There have been no previous reports on outcomes of internal acoustic meatus tumor removal. We investigated the impact of the extent of internal acoustic meatus tumor removal using a translabyrinthine approach for large acoustic neuroma surgery and predictive factors of tumor control.<h4>Methods</h4>This retrospective study reviewed 104 patients with large cerebellopontine angle tumor >3 cm treated by translabyrinthine approach microsurgery. Predictive factors of postoperative facial palsy, tumor control, and extent of internal acoustic meatus tumor removal were assessed.<h4>Results</h4>The mean tumor size was 38.95 ± 6.83 mm. Postoperative facial function showed 76.9% acceptable function (House-Brackmann grade 1 or 2) six months after surgery. The extent of internal acoustic meatus tumor removal was a statistically significant predictor factor of poor postoperative facial function. Younger age, larger tumor size needing radiosurgery, and more extensive removal of tumor were associated with better tumor control.<h4>Conclusion</h4>More extensive internal acoustic meatus tumor removal was associated with poor postoperative facial function and better tumor control.Kuan-Wei ChiangSanford P C HsuTsui-Fen YangMao-Che WangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0253338 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kuan-Wei Chiang Sanford P C Hsu Tsui-Fen Yang Mao-Che Wang Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.
description	<h4>Objectives</h4>Many studies have investigated the surgical outcome and predictive factors of acoustic neuroma using different approaches. The present study focused on large tumors due to the greater likelihood of internal acoustic meatus involvement and the greater application of surgical intervention than radiosurgery. There have been no previous reports on outcomes of internal acoustic meatus tumor removal. We investigated the impact of the extent of internal acoustic meatus tumor removal using a translabyrinthine approach for large acoustic neuroma surgery and predictive factors of tumor control.<h4>Methods</h4>This retrospective study reviewed 104 patients with large cerebellopontine angle tumor >3 cm treated by translabyrinthine approach microsurgery. Predictive factors of postoperative facial palsy, tumor control, and extent of internal acoustic meatus tumor removal were assessed.<h4>Results</h4>The mean tumor size was 38.95 ± 6.83 mm. Postoperative facial function showed 76.9% acceptable function (House-Brackmann grade 1 or 2) six months after surgery. The extent of internal acoustic meatus tumor removal was a statistically significant predictor factor of poor postoperative facial function. Younger age, larger tumor size needing radiosurgery, and more extensive removal of tumor were associated with better tumor control.<h4>Conclusion</h4>More extensive internal acoustic meatus tumor removal was associated with poor postoperative facial function and better tumor control.
format	article
author	Kuan-Wei Chiang Sanford P C Hsu Tsui-Fen Yang Mao-Che Wang
author_facet	Kuan-Wei Chiang Sanford P C Hsu Tsui-Fen Yang Mao-Che Wang
author_sort	Kuan-Wei Chiang
title	Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.
title_short	Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.
title_full	Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.
title_fullStr	Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.
title_full_unstemmed	Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.
title_sort	impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/45cd8d4d111c472e8ff5b728911934e3
work_keys_str_mv	AT kuanweichiang impactofextentofinternalacousticmeatustumorremovalusingtranslabyrinthineapproachforacousticneuromasurgery AT sanfordpchsu impactofextentofinternalacousticmeatustumorremovalusingtranslabyrinthineapproachforacousticneuromasurgery AT tsuifenyang impactofextentofinternalacousticmeatustumorremovalusingtranslabyrinthineapproachforacousticneuromasurgery AT maochewang impactofextentofinternalacousticmeatustumorremovalusingtranslabyrinthineapproachforacousticneuromasurgery
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Impact of extent of internal acoustic meatus tumor removal using translabyrinthine approach for acoustic neuroma surgery.

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