{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,29]],"date-time":"2026-06-29T23:42:41Z","timestamp":1782776561181,"version":"3.54.5"},"reference-count":20,"publisher":"Stichting Nase","issue":"0","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rhin"],"abstract":"<jats:p>Background: The anterior superior alveolar nerve (ASAN) plays a major role in innervation of the lateral nasal wall. Its damage during nasal surgery can cause dental paraesthesia and numbness around the upper lip. Methodology: Retrospective evaluation of the computed tomographic (CT) scans of 50 consecutive patients analysing 100 sides. We measured the mean distance from the shoulder of the inferior turbinate to the descending portion of the anterior superior alveolar nerve, to the anterior superior alveolar canal and the anterior-posterior distance between the \u201cshoulder\u201d of the inferior turbinate and the pyriform aperture. Results: The mean distance from the shoulder of the inferior turbinate to the descending portion of the anterior superior alveolar nerve was 6.4 \u00b1 2.33 mm, with no difference between sides The mean relative height of the shoulder in relation to the anterior superior alveolar nerve canal was 4.78\u00b1 2.31mm with no significant difference between the two sides. The anterior-posterior distance between the \u201cshoulder\u201d of inferior turbinate and the pyriform aperture was 6.96\u00b1 2.28mm, with no significant difference between the two sides. Conclusions: We found the anterior superior alveolar nerve to be a constant landmark in the lateral nasal wall. Therefore, the course of the ASAN should be assessed on a CT scan when a surgical approach through the pyriform aperture or anterior medial wall of the maxillary sinus is planned.<\/jats:p>","DOI":"10.4193\/rhin21.223","type":"journal-article","created":{"date-parts":[[2021,8,24]],"date-time":"2021-08-24T19:35:16Z","timestamp":1629833716000},"page":"0-0","source":"Crossref","is-referenced-by-count":7,"title":["Assessment of the anterior superior alveolar nerve and its impact on surgery of the lateral nasal wall"],"prefix":"10.4193","volume":"0","author":[{"given":"A.","family":"Machado","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.R.","family":"Briner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B.","family":"Schuknecht","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.","family":"Simmen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2708","published-online":{"date-parts":[[2021,8,24]]},"reference":[{"issue":"12","key":"ref0","doi-asserted-by":"publisher","first-page":"946","DOI":"10.1177\/000348940411301202","article-title":"Denker Operation is an Effective Surgical Approach in Managing Juvenile Nasopharyngeal Angiofibroma","volume":"113","author":"Hardillo","year":"2004","unstructured":"1. Hardillo J, Vander Velden L, Knegt P. Denker Operation is an Effective Surgical Approach in Managing Juvenile Nasopharyngeal Angiofibroma. Ann Otol, Rhinol Laryngol. 2004;113(12):946-950.","journal-title":"Ann Otol Rhinol Laryngol"},{"key":"ref1","unstructured":"2. Denker A. Ein neuer wegfur die operation der malignen nasentumoren. Munch Med Wochenschr. 1906;20:953-956."},{"key":"ref2","unstructured":"3. Sturmann D. Die intranasale Er\u00f6ffnung der Kieferh\u00f6hle. Berl Klin Wochenschr 1908; 27: 1273-1274."},{"key":"ref3","doi-asserted-by":"publisher","first-page":"1136","DOI":"10.1001\/jama.1908.25410140018002e","article-title":"The submucous resection of the lateral nasal wall in chronic empyema of the antrum, ethmoid and sphenoid","volume":"51","author":"Canfield","year":"1908","unstructured":"4. Canfield R. The submucous resection of the lateral nasal wall in chronic empyema of the antrum, ethmoid and sphenoid. JAMA 1908; 51: 1136-1141.","journal-title":"JAMA"},{"key":"ref4","doi-asserted-by":"publisher","unstructured":"5. Simmen D, Veerasigamani N, Briner HR, Jones N, Schuknecht B. Anterior maxillary wall and lacrimal duct relationship - CT analysis for prelacrimal access to the maxillary sinus. Rhinology. 2017 Jun 1;55(2):170-174.","DOI":"10.4193\/Rhin16.318"},{"key":"ref5","doi-asserted-by":"publisher","unstructured":"6. Simmen D, Jones N. Manual Of Endoscopic Sinus And Skull Base Surgery. Stuttgart: Georg Thieme Verlag; 2014.","DOI":"10.1055\/b-002-91656"},{"issue":"10","key":"ref6","doi-asserted-by":"publisher","first-page":"2205","DOI":"10.1002\/lary.26529","article-title":"Modified transnasal endoscopic medial maxillectomy through prelacrimal duct approach","volume":"127","author":"Suzuki","year":"2017","unstructured":"7. Suzuki M, Nakamura Y, Yokota M, Ozaki S, Murakami S. Modified transnasal endoscopic medial maxillectomy through prelacrimal duct approach. 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