Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery

Abstract Most spinal meningiomas arise from the thoracic dura in middle-aged and elderly women. Simpson grade 1 resection is recommended to avoid recurrence. For ventral and ventrolateral tumors, reconstruction after total dural resection is difficult, and spinal fluid leakage is likely. To overcome...

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Autores principales:	Hiroyuki Tominaga, Ichiro Kawamura, Kosei Ijiri, Kazunori Yone, Noboru Taniguchi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/53d1ed22c8684073a08da9ec0eac0294
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spelling	oai:doaj.org-article:53d1ed22c8684073a08da9ec0eac02942021-12-02T12:11:50ZSurgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery10.1038/s41598-021-83712-02045-2322https://doaj.org/article/53d1ed22c8684073a08da9ec0eac02942021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83712-0https://doaj.org/toc/2045-2322Abstract Most spinal meningiomas arise from the thoracic dura in middle-aged and elderly women. Simpson grade 1 resection is recommended to avoid recurrence. For ventral and ventrolateral tumors, reconstruction after total dural resection is difficult, and spinal fluid leakage is likely. To overcome this concern, Saito et al. developed the technique of resecting the tumor with the inner dural layer, preserving the outer dural layer. Although meningioma rarely recurs, the recurrence period is approximately 8 years postoperatively. No studies have evaluated long-term (> 10-year) outcomes of the Saito method. Here, we report 10 cases of the Saito method with > 10-year follow-up and compare outcomes with those of other standard approaches. Twenty-nine pathology-confirmed meningioma patients underwent surgery in our department, ten with the Saito method. We investigated resection method (dura mater treatment), pathological type, and recurrence and compared pre- and postoperative clinical findings. The median follow-up was 132 months. Recurrence occurred after Simpson grades 3 and 4 resection. Simpson grades 1, 2, and the Saito method resulted in no recurrence. Neurological symptoms improved in all patients at final follow-up. This is the first report of long-term outcomes of the Saito method. The method achieved good neurological improvement with no recurrence in > 10-year follow-up.Hiroyuki TominagaIchiro KawamuraKosei IjiriKazunori YoneNoboru TaniguchiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hiroyuki Tominaga Ichiro Kawamura Kosei Ijiri Kazunori Yone Noboru Taniguchi Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery
description	Abstract Most spinal meningiomas arise from the thoracic dura in middle-aged and elderly women. Simpson grade 1 resection is recommended to avoid recurrence. For ventral and ventrolateral tumors, reconstruction after total dural resection is difficult, and spinal fluid leakage is likely. To overcome this concern, Saito et al. developed the technique of resecting the tumor with the inner dural layer, preserving the outer dural layer. Although meningioma rarely recurs, the recurrence period is approximately 8 years postoperatively. No studies have evaluated long-term (> 10-year) outcomes of the Saito method. Here, we report 10 cases of the Saito method with > 10-year follow-up and compare outcomes with those of other standard approaches. Twenty-nine pathology-confirmed meningioma patients underwent surgery in our department, ten with the Saito method. We investigated resection method (dura mater treatment), pathological type, and recurrence and compared pre- and postoperative clinical findings. The median follow-up was 132 months. Recurrence occurred after Simpson grades 3 and 4 resection. Simpson grades 1, 2, and the Saito method resulted in no recurrence. Neurological symptoms improved in all patients at final follow-up. This is the first report of long-term outcomes of the Saito method. The method achieved good neurological improvement with no recurrence in > 10-year follow-up.
format	article
author	Hiroyuki Tominaga Ichiro Kawamura Kosei Ijiri Kazunori Yone Noboru Taniguchi
author_facet	Hiroyuki Tominaga Ichiro Kawamura Kosei Ijiri Kazunori Yone Noboru Taniguchi
author_sort	Hiroyuki Tominaga
title	Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery
title_short	Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery
title_full	Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery
title_fullStr	Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery
title_full_unstemmed	Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery
title_sort	surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/53d1ed22c8684073a08da9ec0eac0294
work_keys_str_mv	AT hiroyukitominaga surgicalresultsoftheresectionofspinalmeningiomawiththeinnerlayerofduramorethan10yearsaftersurgery AT ichirokawamura surgicalresultsoftheresectionofspinalmeningiomawiththeinnerlayerofduramorethan10yearsaftersurgery AT koseiijiri surgicalresultsoftheresectionofspinalmeningiomawiththeinnerlayerofduramorethan10yearsaftersurgery AT kazunoriyone surgicalresultsoftheresectionofspinalmeningiomawiththeinnerlayerofduramorethan10yearsaftersurgery AT noborutaniguchi surgicalresultsoftheresectionofspinalmeningiomawiththeinnerlayerofduramorethan10yearsaftersurgery
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Surgical results of the resection of spinal meningioma with the inner layer of dura more than 10 years after surgery

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