Anatomical Features of the Opening of the Nasolacrimal Duct and the Lacrimal Fold (Hasner's Valve) for Intranasal Surgery: A Cadaveric Study

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dc.contributor.authorOrhan, Mustafa
dc.contributor.authorIkiz, Zuhre Asli Aktan
dc.contributor.authorSaylam, Canan Yurttas
dc.date.accessioned2019-10-27T21:19:47Z
dc.date.available2019-10-27T21:19:47Z
dc.date.issued2009
dc.departmentEge Üniversitesien_US
dc.description.abstractThe location and size of the opening of the nasolacrimal duct and the lacrimal fold (Hasner's valve) are variable. These features have clinical importance in nasal surgery because of the difficulty in determining their location. The aim of this study was to demonstrate the anatomical features of the opening of the nasolacrimal duct and the lacrimal fold and to discuss the importance of such knowledge in minimizing the risk of injury at surgery. Twenty sagittal head sections from formalin-fixed cadavers were examined. The sections showed no evidence of pathology or trauma. The type of opening of the nasolacrimal duct was a vertical sulcus in 14 of 20 (70%), an oblique sulcus in 2 of 20 (10%), an oblique fissure in 2 of 20 (10%), a vertical fissure in 1 of 20 (5%), and an anteroposterior fissure in 1 of 20 specimens (5%). The lacrimal fold was present in 16 of 20 specimens (80%). Five different forms of this fold were observed. Some morphological features were evaluated quantitatively. We believe that detailed anatomical knowledge of the opening of nasolacrimal duct will be useful in surgical approaches to this area. Clin. Anat. 22:925-931, 2009. (C) 2009 Wiley-Liss, Inc.en_US
dc.description.sponsorshipResearch Council of Ege UniversityEge University [04 TIP 025]en_US
dc.description.sponsorshipResearch Council of Ege University, Faculty of Medicine; Grant number: 04 TIP 025.en_US
dc.identifier.doi10.1002/ca.20866en_US
dc.identifier.endpage931en_US
dc.identifier.issn0897-3806
dc.identifier.issn1098-2353
dc.identifier.issue8en_US
dc.identifier.pmid19806670en_US
dc.identifier.startpage925en_US
dc.identifier.urihttps://doi.org/10.1002/ca.20866
dc.identifier.urihttps://hdl.handle.net/11454/44199
dc.identifier.volume22en_US
dc.identifier.wosWOS:000271446200012en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofClinical Anatomyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectnasolacrimal ducten_US
dc.subjectlacrimal fold (Hasner's valve)en_US
dc.subjectinferior nasal meatusen_US
dc.subjectintranasal surgeryen_US
dc.titleAnatomical Features of the Opening of the Nasolacrimal Duct and the Lacrimal Fold (Hasner's Valve) for Intranasal Surgery: A Cadaveric Studyen_US
dc.typeArticleen_US

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