{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T03:39:16Z","timestamp":1790739556942,"version":"4.1.0"},"reference-count":29,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2023,5,1]],"date-time":"2023-05-01T00:00:00Z","timestamp":1682899200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Feline Medicine and Surgery"],"published-print":{"date-parts":[[2023,5]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>This multicentre, retrospective observational study aimed to describe the clinical presentation, diagnostic methods, treatment and outcomes of cats with tracheal masses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Eighteen cats from five academic or secondary\/tertiary animal hospitals were included.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The median age at diagnosis was 10.7 years (mean 9.5; range 1\u201317). There were nine castrated males, seven spayed females, one intact male and one intact female. Fourteen (78%) were domestic shorthairs, one (6%) was an Abyssinian, one (6%) was an American Shorthair, one (6%) was a Bengal and one (6%) was a Scottish Fold. The most common presenting complaints included chronic respiratory distress or dyspnoea (n\u2009=\u200914), followed by wheezing\/gagging (n\u2009=\u200912), coughing (n\u2009=\u20095) and voice changes (n\u2009=\u20095). There was cervical tracheal involvement in 16\/18, and two showed involvement of the intrathoracic trachea. The following methods were used for diagnosis: ultrasound-guided fine-needle biopsy (UG-FNB) and cytology (n\u2009=\u20098), bronchoscopic forceps biopsy and histopathology (n\u2009=\u20095), surgical resection and histopathology (n\u2009=\u20093), forceps biopsy via an endotracheal tube (n\u2009=\u20091) and histology of tissue sputtered from a cough (n\u2009=\u20091). Lymphoma was most often diagnosed (n\u2009=\u200915), followed by adenocarcinoma (n\u2009=\u20092) and squamous cell carcinoma (n\u2009=\u20091). Most lymphoma cases received chemotherapy with or without radiation according to various protocols, and partial (n\u2009=\u20095) or complete responses (n\u2009=\u20098) were noted. Kaplan\u2013Meier survival data for cats with lymphoma revealed a median survival time of 214 days (95% confidence interval &gt;149 days), which was significantly longer than that of other types of tumours (21 days).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions and relevance<\/jats:title>\n                    <jats:p>Lymphoma was the most prevalent diagnosis, and showed a good response to chemotherapy with or without radiation therapy. Various diagnostic procedures were performed, and UG-FNB and cytology are good diagnostic procedures for cervical tracheal lesions. Owing to the variety of treatment protocols at different centres, it was impossible to compare outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1098612x231164611","type":"journal-article","created":{"date-parts":[[2023,5,18]],"date-time":"2023-05-18T10:14:05Z","timestamp":1684404845000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":11,"title":["Retrospective study of feline tracheal mass lesions"],"prefix":"10.1177","volume":"25","author":[{"given":"Hideyuki","family":"Kanemoto","sequence":"first","affiliation":[{"name":"ER Hachioji Advanced Animal Medical and Critical Care Centre, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0386-3728","authenticated-orcid":false,"given":"Aki","family":"Fujiwara-Igarashi","sequence":"additional","affiliation":[{"name":"Laboratory of Veterinary Radiology, Nippon Veterinary and Life Science University, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0100-8579","authenticated-orcid":false,"given":"Tetsuya","family":"Kobayashi","sequence":"additional","affiliation":[{"name":"Japan Small Animal Cancer Center, Saitama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kei","family":"Harada","sequence":"additional","affiliation":[{"name":"Japan Small Animal Cancer Center, Saitama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masanao","family":"Ichimata","sequence":"additional","affiliation":[{"name":"Japan Small Animal Cancer Center, Saitama, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sangho","family":"Kim","sequence":"additional","affiliation":[{"name":"Hokkaido University Veterinary Teaching Hospital, Hokkaido, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenji","family":"Hosoya","sequence":"additional","affiliation":[{"name":"Hokkaido University Veterinary Teaching Hospital, Hokkaido, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirotaka","family":"Tomiyasu","sequence":"additional","affiliation":[{"name":"Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7592-6391","authenticated-orcid":false,"given":"Aki","family":"Ohmi","sequence":"additional","affiliation":[{"name":"Department of Veterinary Internal Medicine, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, 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