Peer-reviewed veterinary case report
Ultrasound and CT accuracy for measuring bladder tumors in dogs
By Honkisz, S I et al.·Published in Veterinary journal (London, England : 1997)·2018·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
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Original publication title: Evaluation of two-dimensional ultrasonography and computed tomography in the mapping and measuring of canine urinary bladder tumors.
- Species:
- dog
Plain-English summary
A group of dogs with urinary bladder tumors, specifically transitional cell carcinomas (TCCs), were evaluated using two-dimensional ultrasound and computed tomography to measure the size of the tumors. The study found that an experienced operator using a standardized ultrasound protocol could reliably determine tumor dimensions, which is important for tracking how the tumors grow and respond to treatment. However, differences in bladder fullness affected the measurements taken by ultrasound compared to those from CT scans. Overall, the findings suggest that ultrasound can be a useful tool for monitoring bladder tumors in dogs when performed by a skilled technician.
People also search for: dog bladder tumor treatment · transitional cell carcinoma in dogs · ultrasound for dog urinary problems
Abstract
Determining the dimensions of transitional cell carcinomas (TCCs) of the urinary bladder in dogs is important in assessing tumor progression and the response to treatment. The primary aim of this study was to evaluate the reliability of a standardized two-dimensional (2-D) ultrasound (US) protocol performed by a single experienced operator. Secondary aims were to compare World Health Organization (WHO) and Response Evaluation Criteria in Solid Tumors (RECIST) guidelines, and to compare measurements by two operators following these guidelines. These were evaluated by inter-operator and intra-operator reliability using the concordance correlation coefficient (CCC) and Cohen's κ statistics, which demonstrated substantial to better agreement by an experienced operator using either set of guidelines. It was demonstrated that 2-D US provides a reliable means to determine the dimensions of urinary bladder TCC when an experienced operator used a standardized protocol. In a subset of dogs, urinary bladder distension was varied, which resulted in differences in measurement with 2-D US and computed tomography.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/29428087/