Computed tomography (CT) is an advanced imaging technique that may lead to detect “incidentalomas”, unexpected asymptomatic lesions found during unrelated examinations. Their clinical meaning and management are not clear for veterinarians, who risk unnecessary investigations that harm the patients. This study is a retrospective analysis that aims to investigate incidentalomas in CT exams and to describe their prevalence, location, types and follow-up, their correlations and associations with the species, breed, sex, and age of patients examined and with the kind and number of sites scanned. The reports of 561 CT scans performed in 512 dogs and 49 cats in a veterinary facility over six years were reviewed and compared to the clinical records of the patients. Eighty incidentalomas were found in 57 dogs and four cats. A significant positive correlation was found in dogs between age and the prevalence of incidentalomas. In dogs, the prevalence of incidentalomas was significantly higher in Boxers and in neck, thoracic, and abdominal scans. Spinal incidentalomas were the most common typologies in dogs. This study can represent a tool that allows clinicians to acquire greater awareness about incidentalomas and to carry out the evidence-based clinical management of them.
The present clinical study was approved by the Review Board for Animals Care of the University of Parma prot N. 03/CESA /2023, which provided a consent to the clinical study: regulation (EU) no. 536/2014. (22A01712) (GU General Series n.65 of 18-03-2022); European Law (O.J. of E.C. L 358/1 12/18/1986), and USA Laws (Animal Welfare Assurance No A5594-01, Department of Health and Human Services, USA). The owners signed a voluntary informed consent form prior to the dogs’ enrollment in the study. Twenty female dogs, aged 1±1.5 months, and weighing 16± 0.5 kg were enrolled in the study. The inclusion criterion of the patients was to undergo ovariectomy surgery; dogs enrolled in this study had normal physiological, haematological and biochemical parameters.
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