{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,25]],"date-time":"2025-09-25T17:15:47Z","timestamp":1758820547996,"version":"3.44.0"},"reference-count":29,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,8,14]],"date-time":"2025-08-14T00:00:00Z","timestamp":1755129600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Vet Radiology Ultrasound"],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Feline nasopharyngeal stenosis (NPS), characterized by narrowing of the nasopharyngeal passage, results in chronic stertor and increased inspiratory effort. While rhinoscopy is the definitive diagnostic modality for NPS, the utility of nasopharyngeal radiography in diagnosis remains under\u2010documented. The purpose of this study is to evaluate the diagnostic accuracy and describe the characteristic radiographic findings in cats with NPS by comparing radiographic findings in cats with stertor but without stenosis. This is a multicenter, retrospective, cross\u2010sectional study. Fifty\u2010two cats with stertor who underwent both rhinoscopy and lateral nasopharyngeal radiography were included. They were divided into two groups: those with NPS (<jats:italic>n<\/jats:italic> = 21) and those with stertor without stenosis (ND group, <jats:italic>n<\/jats:italic> = 31). Radiographs were reviewed by two board\u2010certified radiologists to determine the presence, location, and morphology (broad or membranous) of NPS, as well as the morphology of the soft palate and the presence of oropharyngeal gas. Radiographic evaluation demonstrated a high diagnostic accuracy for NPS with a sensitivity of 100%, specificity of 83.9%, and overall accuracy of 90.4%. The radiographic morphology of the NPS was broad in 18 cats and membranous in 3 cats. A \u201cbent\u201d soft palate was observed only in the NPS group (19%, <jats:italic>n<\/jats:italic> = 4). The presence of oropharyngeal gas was similar in both groups (57.1 vs. 58.1%). However, because radiographic diagnoses were made by consensus between two radiologists, the reported accuracy may be overestimated. Given its high sensitivity, nasopharyngeal radiography serves as an effective initial screening tool for NPS, likely streamlining the diagnostic pathway in cats with stertor.<\/jats:p>","DOI":"10.1111\/vru.70072","type":"journal-article","created":{"date-parts":[[2025,8,14]],"date-time":"2025-08-14T14:19:52Z","timestamp":1755181192000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Radiographic Characteristics of Feline Nasopharyngeal Stenosis"],"prefix":"10.1111","volume":"66","author":[{"given":"Ayano","family":"Masuyama","sequence":"first","affiliation":[{"name":"Department of Veterinary Clinical Sciences College of Veterinary Medicine, Purdue University  West Lafayette Indiana USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiro","family":"Suematsu","sequence":"additional","affiliation":[{"name":"AMC Suematsu Animal Hospital  Oita Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caroline","family":"Fulkerson","sequence":"additional","affiliation":[{"name":"Department of Veterinary Clinical Sciences College of Veterinary Medicine, Purdue University  West Lafayette Indiana USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tetsuya","family":"Taniguchi","sequence":"additional","affiliation":[{"name":"Hyogo Pet Medical Center  Kobe Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masaya","family":"Nakamori","sequence":"additional","affiliation":[{"name":"Kyoto Animal Medical Center  Kyoto Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kanami","family":"Nakao","sequence":"additional","affiliation":[{"name":"AMC Suematsu Animal Hospital  Oita Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiro","family":"Murakami","sequence":"additional","affiliation":[{"name":"Department of Veterinary Clinical Sciences College of Veterinary Medicine, Purdue University  West Lafayette Indiana USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,8,14]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cvsm.2016.01.005"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1053\/j.ctsap.2005.12.013"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1177\/2055116917729987"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsap.13048"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tvjl.2008.02.026"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.5326\/15473317-34-6-497"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.2460\/javma.253.10.1300"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jfms.2011.01.007"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.2460\/javma.229.3.385"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.1186\/2046-0481-66-8"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.1988.tb02294.x"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1177\/1098612X12444998"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jfms.2003.08.005"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1177\/1098612X14533692"},{"key":"e_1_2_12_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.2002.tb00036.x"},{"key":"e_1_2_12_17_1","doi-asserted-by":"publisher","DOI":"10.1136\/vr.157.9.257"},{"key":"e_1_2_12_18_1","doi-asserted-by":"publisher","DOI":"10.2460\/javma.233.9.1432"},{"key":"e_1_2_12_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsap.13739"},{"key":"e_1_2_12_20_1","doi-asserted-by":"publisher","DOI":"10.5326\/15473317-35-6-457"},{"key":"e_1_2_12_21_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1748-5827.2000.tb03166.x"},{"key":"e_1_2_12_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1740-8261.2003.tb01449.x"},{"key":"e_1_2_12_23_1","doi-asserted-by":"publisher","DOI":"10.5326\/15473317-35-3-251"},{"key":"e_1_2_12_24_1","doi-asserted-by":"publisher","DOI":"10.1111\/vru.12278"},{"key":"e_1_2_12_25_1","volume-title":"Atlas of Normal Radiographic Anatomy and Anatomic Variants in the Dog and Cat","author":"Thrall D. 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