{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T00:24:58Z","timestamp":1769732698266,"version":"3.49.0"},"reference-count":16,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2016,6,27]],"date-time":"2016-06-27T00:00:00Z","timestamp":1466985600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Laryngoscope"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:sec><jats:title>Objectives\/Hypothesis<\/jats:title><jats:p>To provide an extended and treatment\u2010oriented classification of parotid duct stenosis that might be useful in the management of this condition.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Retrospective study in a tertiary referral center.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 550 symptomatic stenoses of the parotid gland excretory duct in 445 patients were analyzed. Sialendoscopy was performed with semirigid endoscopes. The tissue quality, location, grade of luminal narrowing, and length and number of the stenoses were assessed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Inflammation\u2010dominant stenosis (type 1) was found in 8.9% of the patients, web\u2010associated fibrous stenosis (type 2) in 19.5%, and fibrous (type 3) in 71.6%. Multiple stenoses (\u22653) were found in 2.8% of patients, and bilateral stenoses in 11.9%. Type 1 stenoses differed significantly from type 3 stenoses, with lower grades. Type 3 stenoses showed significantly higher grades of luminal narrowing than the other two types (<jats:italic>P<\/jats:italic> = .0001). Type 2 stenoses were significantly shorter in comparison with the other two types (<jats:italic>P<\/jats:italic> = .0001). Multiple stenoses were observed significantly more often in type 2 than in type 3 stenoses (<jats:italic>P<\/jats:italic> = .0001). Due to these differences, the type of stenosis appears to be the most important criterion in the treatment\u2010oriented classification.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Significant differences between the different stenoses were observed. Type 1 stenosis may be considered as a precursor of type 3 stenosis, but type 2 stenosis showed significantly different characteristics. The differences prescribed in this classification may be helpful in the management of parotid duct stenoses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>4. <jats:italic>Laryngoscope<\/jats:italic>, 2016 127:366\u2013371, 2017<\/jats:p><\/jats:sec>","DOI":"10.1002\/lary.26079","type":"journal-article","created":{"date-parts":[[2016,6,27]],"date-time":"2016-06-27T08:54:57Z","timestamp":1467017697000},"page":"366-371","source":"Crossref","is-referenced-by-count":27,"title":["Extended and treatment\u2010oriented classification of parotid duct stenosis"],"prefix":"10.1002","volume":"127","author":[{"given":"Michael","family":"Koch","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery, Friedrich Alexander University of Erlangen\u2013Nuremberg Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Heinrich","family":"Iro","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology Head and Neck Surgery, Friedrich Alexander University of Erlangen\u2013Nuremberg Erlangen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,6,27]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1259\/dmfr\/24118767"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00106-007-1563-3"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.otohns.2005.08.005"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1053\/joms.2001.22667"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2008.01.017"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2009.08.019"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1001\/archoto.2012.856"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.bjoms.2012.08.004"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.mlg.0000157832.23380.df"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1177\/000348940811700406"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.stomax.2008.07.004"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/lary.20522"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1001\/archoto.2012.1618"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1002\/lary.24534"},{"key":"e_1_2_6_16_1","first-page":"217","article-title":"Sialoendoscopy: state of the art, challenges and further perspectives. Round Table, 101(st) SIO National Congress, Catania 2014","volume":"35","author":"Gallo A","year":"2015","journal-title":"Acta Otorhinolaryngol Ital"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.otc.2009.08.002"}],"container-title":["The Laryngoscope"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Flary.26079","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Flary.26079","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/lary.26079","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,5]],"date-time":"2023-10-05T02:26:00Z","timestamp":1696472760000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/lary.26079"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016,6,27]]},"references-count":16,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2017,2]]}},"alternative-id":["10.1002\/lary.26079"],"URL":"https:\/\/doi.org\/10.1002\/lary.26079","archive":["Portico"],"relation":{},"ISSN":["0023-852X","1531-4995"],"issn-type":[{"value":"0023-852X","type":"print"},{"value":"1531-4995","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016,6,27]]}}}