Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/348565
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dc.contributor.CRUESPUNIVERSIDADE ESTADUAL DE CAMPINASpt_BR
dc.contributor.authorunicampOliveira, Evandro Pinto da Luz de-
dc.typeArtigopt_BR
dc.titleMicrosurgical anatomy of the safe entry zones on the anterolateral brainstem related to surgical approaches to cavernous malformationspt_BR
dc.contributor.authorRecalde, Rodolfo J.-
dc.contributor.authorFigueiredo, Eberval G.-
dc.contributor.authorOliveira, Evandro de-
dc.subjectAnatomiapt_BR
dc.subject.otherlanguageAnatomypt_BR
dc.description.abstractTo study the microanatomy of the brainstem related to the different safe entry zones used to approach intrinsic brainstem lesions. Ten formalin-fixed and frozen brainstem specimens (20 sides) were analyzed. The white fiber dissection technique was used to study the intrinsic microsurgical anatomy as related to safe entry zones on the brainstem surface. Three anatomic landmarks on the anterolateral brainstem surface were selected: lateral mesencephalic sulcus, peritrigeminal area, and olivary body. Ten other specimens were used to study the axial sections of the inferior olivary nucleus. The clinical application of these anatomic nuances is presented. The lateral mesencephalic sulcus has a length of 7.4 to 13.3 mm (mean, 9.6 mm) and can be dissected safely in depths up to 4.9 to 11.7 mm (mean, 8.02 mm). In the peritrigeminal area, the distance of the fifth cranial nerve to the pyramidal tract is 3.1 to 5.7 mm (mean, 4.64 mm). The dissection may be performed 9.5 to 13.1 mm (mean, 11.2 mm) deeper, to the nucleus of the fifth cranial nerve. The inferior olivary nucleus provides safe access to lesions located up to 4.7 to 6.9 mm (mean, 5.52 mm) in the anterolateral aspect of the medulla. Clinical results confirm that these entry zones constitute surgical routes through which the brainstem may be safely approached.The white fiber dissection technique is a valuable tool for understanding the three-dimensional disposition of the anatomic structures. The lateral mesencephalic sulcus, the peritrigeminal area, and the inferior olivary nucleus provide surgical spaces and delineate the relatively safe alleys where the brainstem can be approached without injuring important neural structurespt_BR
dc.relation.ispartofOperative neurosurgerypt_BR
dc.publisher.cityNew York, NYpt_BR
dc.publisher.countryEstados Unidospt_BR
dc.publisherOxford University Presspt_BR
dc.date.issued2008-
dc.date.monthofcirculationMar.pt_BR
dc.language.isoengpt_BR
dc.description.volume62pt_BR
dc.description.issuesupplement1pt_BR
dc.description.firstpageONS9pt_BR
dc.description.lastpageONS17pt_BR
dc.rightsFechadopt_BR
dc.sourceWOSpt_BR
dc.identifier.issn2332-4252pt_BR
dc.identifier.eissn2332-4260pt_BR
dc.identifier.doi10.1227/01.neu.0000317368.69523.40pt_BR
dc.identifier.urlhttps://academic.oup.com/ons/article-abstract/62/suppl_1/ONS9/2408432pt_BR
dc.date.available2020-09-02T17:29:13Z-
dc.date.accessioned2020-09-02T17:29:13Z-
dc.description.provenanceSubmitted by Susilene Barbosa da Silva (susilene@unicamp.br) on 2020-09-02T17:29:13Z No. of bitstreams: 0en
dc.description.provenanceMade available in DSpace on 2020-09-02T17:29:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2008en
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/348565-
dc.contributor.departmentDepartamento de Neurologiapt_BR
dc.contributor.unidadeFaculdade de Ciências Médicaspt_BR
dc.subject.keywordBrainstempt_BR
dc.subject.keywordCavernous malformationpt_BR
dc.subject.keywordSafe entry zonespt_BR
dc.subject.keywordSurgical approachespt_BR
dc.identifier.source000255268700003pt_BR
dc.creator.orcidSem informaçãopt_BR
dc.type.formArtigopt_BR
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