{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T01:38:20Z","timestamp":1777426700040,"version":"3.51.4"},"reference-count":15,"publisher":"SAGE Publications","issue":"9","license":[{"start":{"date-parts":[[2018,6,21]],"date-time":"2018-06-21T00:00:00Z","timestamp":1529539200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Ann Otol Rhinol Laryngol"],"published-print":{"date-parts":[[2018,9]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>Multiple investigators have sought to identify risk factors for cerebrospinal fluid (CSF) leak following cerebellopontine angle (CPA) tumor resection. We evaluated whether pneumatization of the petrous apex (PA) is a risk factor for CSF fistula.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method:<\/jats:title>\n                    <jats:p>We conducted a retrospective chart review at 2 major tertiary academic institutions undergoing CPA tumor resection and analyzed their respective head or temporal computed tomography (CT) scans if available.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>A total of 91 cases were identified; 51 (64%) demonstrated PA pneumatization, and a total of 17 CSF leaks were identified. We discovered higher rates of CSF leak (25.0% vs 13.7%; P = .273) and CSF rhinorrhea (15.0% vs 5.9%; P = .174) in patients with PA pneumatization compared to those without PA pneumatization.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Isolated PA pneumatization may be a risk factor and communication pathway for CSF fistula. Further studies will need to be broadened across multiple institutions to draw any additional and stronger conclusions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0003489418781934","type":"journal-article","created":{"date-parts":[[2018,6,21]],"date-time":"2018-06-21T05:03:06Z","timestamp":1529557386000},"page":"604-607","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":12,"title":["Petrous Apex Pneumatization: Influence on Postoperative Cerebellopontine Angle Tumor Cerebrospinal Fluid Fistula"],"prefix":"10.1177","volume":"127","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7971-377X","authenticated-orcid":false,"given":"Matthew","family":"Shew","sequence":"first","affiliation":[{"name":"University of Kansas Department of Otolaryngology-Head and Neck Surgery, Kansas City, Kansas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8479-5263","authenticated-orcid":false,"given":"Thomas","family":"Muelleman","sequence":"additional","affiliation":[{"name":"University of Kansas Department of Otolaryngology-Head and Neck Surgery, Kansas City, Kansas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Harris","sequence":"additional","affiliation":[{"name":"The Ohio State University Department of Otolaryngology-Head and Neck Surgery, Columbus, Ohio, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Li","sequence":"additional","affiliation":[{"name":"The Ohio State University Department of Otolaryngology-Head and Neck Surgery, Columbus, Ohio, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kevin","family":"Sykes","sequence":"additional","affiliation":[{"name":"University of Kansas Department of Otolaryngology-Head and Neck Surgery, Kansas City, Kansas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0348-3015","authenticated-orcid":false,"given":"Hinrich","family":"Staecker","sequence":"additional","affiliation":[{"name":"University of Kansas Department of Otolaryngology-Head and Neck Surgery, Kansas City, Kansas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Oliver Fr","family":"Adunka","sequence":"additional","affiliation":[{"name":"The Ohio State University Department of Otolaryngology-Head and Neck Surgery, Columbus, Ohio, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James","family":"Lin","sequence":"additional","affiliation":[{"name":"University of Kansas Department of Otolaryngology-Head and Neck Surgery, Kansas City, Kansas, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2018,6,21]]},"reference":[{"key":"bibr1-0003489418781934","doi-asserted-by":"publisher","DOI":"10.3171\/2012.6.FOCUS12163"},{"key":"bibr2-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1097\/00129492-200405000-00030"},{"key":"bibr3-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-200403000-00022"},{"key":"bibr4-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-200406000-00011"},{"key":"bibr5-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1177\/019459989110400115"},{"key":"bibr6-0003489418781934","doi-asserted-by":"publisher","DOI":"10.3171\/2014.10.JNS14432"},{"key":"bibr7-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-199401000-00009"},{"key":"bibr8-0003489418781934","doi-asserted-by":"publisher","DOI":"10.2176\/nmc.43.334"},{"key":"bibr9-0003489418781934","first-page":"509","volume":"67","author":"Stieglitz LH","year":"2010","journal-title":"Neurosurgery"},{"key":"bibr10-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1016\/j.clineuro.2011.07.029"},{"key":"bibr11-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1055\/s-2008-1058132"},{"key":"bibr12-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1097\/MAO.0b013e31814619bd"},{"key":"bibr13-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1097\/01.mao.0000265188.22345.d4"},{"key":"bibr14-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1007\/s12070-014-0745-z"},{"key":"bibr15-0003489418781934","doi-asserted-by":"publisher","DOI":"10.1055\/s-0034-1376421"}],"container-title":["Annals of Otology, Rhinology &amp; Laryngology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0003489418781934","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/0003489418781934","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0003489418781934","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T11:32:03Z","timestamp":1777375923000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0003489418781934"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,6,21]]},"references-count":15,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2018,9]]}},"alternative-id":["10.1177\/0003489418781934"],"URL":"https:\/\/doi.org\/10.1177\/0003489418781934","relation":{},"ISSN":["0003-4894","1943-572X"],"issn-type":[{"value":"0003-4894","type":"print"},{"value":"1943-572X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,6,21]]}}}