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Importance of Sufficient Petrosectomy in an Anterior Petrosal Approach: Relightening of the Kawase Pyramid

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dc.contributor.authorJung, IH-
dc.contributor.authorYoo, J-
dc.contributor.authorRoh, TH-
dc.contributor.authorPark, HH-
dc.contributor.authorHong, CK-
dc.date.accessioned2023-01-05T03:03:48Z-
dc.date.available2023-01-05T03:03:48Z-
dc.date.issued2021-
dc.identifier.issn1878-8750-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/23782-
dc.description.abstractBackground: In 1985, Kawase published an anterior petrosal approach to expose the posterior cranial fossa and to minimize retraction of the temporal lobe. However, some neurosurgeons still have difficulty with removing tumors through an anterior petrosal approach because a complete understanding of the Kawase pyramid has not been achieved. We hypothesized that if anterior petrosectomy were performed with three-dimensional understanding of the Kawase pyramid, it would have a positive effect on extent of tumor resection. Methods: We performed a retrospective study of patients who underwent surgical treatment for meningioma through an anterior petrosal approach. Patients were divided into total resection and subtotal resection groups, and statistical differences between the groups were analyzed. To identify factors predictive of complete tumor removal, univariable and multivariable logistic regression analyses were performed. Results: Width and height of the drilled internal auditory canal of the total resection group were significantly larger than those of the subtotal resection group (P = 0.001, P = 0.033). The operative angle of the total resection group was significantly larger than that of the subtotal resection group (P < 0.001). Regression analyses showed only drilled internal auditory canal width to be predictive of complete tumor removal, increasing the likelihood of complete tumor removal by 2.778-fold with an increase in drilled internal auditory canal width by 1 mm (P = 0.023). Conclusions: Insufficient petrosectomy during an anterior petrosal approach adversely affects the extent of tumor resection. Furthering three-dimensional understanding of the Kawase pyramid could aid in complete tumor resection and better outcomes without causing damage to the surrounding organs.-
dc.language.isoen-
dc.subject.MESHCranial Fossa, Posterior-
dc.subject.MESHFemale-
dc.subject.MESHHumans-
dc.subject.MESHLogistic Models-
dc.subject.MESHMale-
dc.subject.MESHMargins of Excision-
dc.subject.MESHMeningeal Neoplasms-
dc.subject.MESHMeningioma-
dc.subject.MESHMiddle Aged-
dc.subject.MESHNeurosurgical Procedures-
dc.subject.MESHOrgan Size-
dc.subject.MESHPetrous Bone-
dc.subject.MESHTumor Burden-
dc.titleImportance of Sufficient Petrosectomy in an Anterior Petrosal Approach: Relightening of the Kawase Pyramid-
dc.typeArticle-
dc.identifier.pmid34004357-
dc.subject.keywordAnterior petrosal approach-
dc.subject.keywordKawase pyramid-
dc.subject.keywordPetroclival meningioma-
dc.subject.keywordSkull base surgery-
dc.contributor.affiliatedAuthorRoh, TH-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/j.wneu.2021.05.017-
dc.citation.titleWorld neurosurgery-
dc.citation.volume153-
dc.citation.date2021-
dc.citation.startPagee11-
dc.citation.endPagee19-
dc.identifier.bibliographicCitationWorld neurosurgery, 153. : e11-e19, 2021-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn1878-8769-
dc.relation.journalidJ018788750-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Neurosurgery
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