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Three observers independently reviewed CT images of 36 rabbits with OM. For both OM and material within the external ear canal, a grade of I to IV was used, (I=mild, IV=severe\u2009disease) and the level of agreement between reviewers was statistically evaluated. The study demonstrated that grades from the three reviewers showed a strong level of interobserver agreement. Comparisons between clinical signs and CT grade were also evaluated. Rabbits with grade IV OM had a high grade of material in the external ear canal. A high proportion of rabbits (83 per cent) underwent CT scanning conscious, demonstrating that diagnostic quality CT images are achievable without the need for anaesthetic intervention, minimising patient risk. This novel CT\u2010based grading scale provides a methodology to correlate grade of disease with clinical signs, ear canal cytology, predisposing factors, treatment options and outcomes for rabbits with ear disease.<\/jats:p>","DOI":"10.1136\/vr.104980","type":"journal-article","created":{"date-parts":[[2019,5,30]],"date-time":"2019-05-30T12:09:04Z","timestamp":1559218144000},"page":"679-679","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":33,"title":["Computed tomographic grading of middle ear disease in domestic rabbits (\n                    <i>Oryctolagus cuniculi<\/i>\n                    )"],"prefix":"10.1002","volume":"184","author":[{"given":"Jenna","family":"Richardson","sequence":"first","affiliation":[{"name":"Dick Vet Rabbit and Exotic Practice Royal (Dick) School of Veterinary Studies Roslin Midlothian 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