{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T17:29:46Z","timestamp":1776878986240,"version":"3.51.2"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,2,15]],"date-time":"2023-02-15T00:00:00Z","timestamp":1676419200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Vet Radiology Ultrasound"],"published-print":{"date-parts":[[2023,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Ultrasonography (US) and computed\u00a0tomography\u00a0(CT) are used to diagnose neoplastic and non\u2010neoplastic focal renal lesions\u00a0in\u00a0dogs\u00a0and\u00a0cats; however, comparative studies between these two diagnostic tools are lacking. The aim of this retrospective, methods comparison study was to evaluate and compare the performance of US compared to CT in identifying at least one renal nodule in animals with confirmed focal renal lesions. Imaging studies of animals with uni\u2010 or bilateral renal nodules smaller than 3\u00a0cm that underwent both US and CT and\u00a0that\u00a0had\u00a0a\u00a0pathologically\u00a0confirmed\u00a0diagnosis\u00a0were reviewed. Animals with renal cysts and infarcts were excluded. Recorded features for both modalities\u00a0included\u00a0the\u00a0following: shape, size, number, localization, margins, renal profile. For CT only, recorded\u00a0features\u00a0also\u00a0included\u00a0attenuation (HU) and pattern of enhancement.\u00a0 For US only,\u00a0recorded\u00a0features\u00a0also\u00a0included echogenicity, echostructure, and rate of visibility. Final diagnosis was obtained by cytology or histopathology. Using CT, lesions were identified in all 39 (100%) kidneys of 18 dogs and seven cats. Most lesions were multiple, cortical, well\u2010defined, iso\u2010attenuating (precontrast), hypo\u2010attenuating, and moderately enhancing (postcontrast). Using US, lesions were identified in 29 of 39 (74%) kidneys. Overall, nine (31%) lesions were poorly visible; 10 (26%) kidneys appeared normal; in 17 (59%) organs, lesions\u2019 number was underestimated. Isoechoic, non\u2010protruding lesions were difficult to identify by US. Ultrasonography underestimated renal lesions compared to CT in 59% of the kidneys (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.001). Final diagnoses included metastatic disease (n\u00a0=\u00a016), infiltration by feline lymphoma (n\u00a0=\u00a04), primary neoplasia (n\u00a0=\u00a03), and non\u2010neoplastic benign lesions (n\u00a0=\u00a02).<\/jats:p>","DOI":"10.1111\/vru.13219","type":"journal-article","created":{"date-parts":[[2023,2,15]],"date-time":"2023-02-15T15:48:48Z","timestamp":1676476128000},"page":"439-447","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Comparison of sonographic and CT findings for the identification of renal nodules in dogs and cats"],"prefix":"10.1111","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6402-930X","authenticated-orcid":false,"given":"Federica","family":"Rossi","sequence":"first","affiliation":[{"name":"Clinica Veterinaria dell'Orologio  Sasso Marconi Bologna 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