Diagnostic Imaging Applications in Renal Diseases of Small Animals

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Veterinary Clinical Studies".

Deadline for manuscript submissions: 31 July 2026 | Viewed by 781

Special Issue Editors


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Guest Editor
Department of Veterinary Sciences, Veterinary Teaching Hospital “Mario Modenato”, University of Pisa, 56122 Pisa, Italy
Interests: radiology; ultrasound; computed tomography; contrast-enhanced ultrasound; elastography

E-Mail Website
Guest Editor
Department of Veterinary Sciences, Veterinary Teaching Hospital “Mario Modenato”, University of Pisa, 56122 Pisa, Italy
Interests: radiology; ultrasound; computed tomography; contrast-enhanced ultrasound; elastography

Special Issue Information

Dear Colleagues,

This Special Issue is dedicated to “Diagnostic Imaging Applications in Renal Diseases of Small Animals” and invites innovative research and comprehensive reviews in this field. Renal diseases in small animals comprise a wide spectrum of conditions, including acute kidney injury, chronic kidney disease, acute-on-chronic kidney disease, and congenital or hereditary nephropathies. These disorders, often characterized by structural and functional impairment of the kidneys, areclinically relevant conditions associated with considerable morbidity and a variable impact on survival in companion animals.

Medical imaging plays a key role in the detection, characterization, and monitoring of renal disorders. Beyond the evaluation of the urinary tract, imaging techniques also contribute to identifying secondary alterations in other abdominal organs, offering valuable insights into the systemic impact of renal disease. Establishing standardized imaging protocols and assessing their prognostic value could significantly improve the diagnostic and therapeutic approach to affected patients, especially given the complexity, cost, and variable prognosis associated with advanced treatments such as dialysis.

We encourage submissions of original research and review articles that address the application of diagnostic imaging techniques in small animals with renal diseases. Contributions may include studies on diagnostic accuracy, disease characterization, prognostic evaluation, and the development of innovative imaging strategies to improve clinical management.

Dr. Caterina Puccinelli
Prof. Dr. Simonetta Citi
Guest Editors

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Keywords

  • acute kidney injury
  • chronic kidney disease
  • nephropathy
  • ultrasound
  • radiology
  • computed tomography
  • contrast-enhanced ultrasound
  • small animals

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Published Papers (1 paper)

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Research

11 pages, 2376 KB  
Article
Ultrasonographic Features of Gastropathy in Dogs with Acute Kidney Injury and Acute-on-Chronic Kidney Injury
by Caterina Puccinelli, Tina Pelligra, Astrid Bracco, Ilaria Lippi, Francesca Perondi, Tommaso Mannucci and Simonetta Citi
Animals 2025, 15(18), 2666; https://doi.org/10.3390/ani15182666 - 11 Sep 2025
Viewed by 296
Abstract
Despite the frequent gastrointestinal involvement, no studies have described the ultrasonographic appearance of the stomach in dogs with acute kidney injury (AKI) or acute-on-chronic kidney disease (ACKD). This retrospective study aimed to characterize the ultrasonographic features of gastropathy in such patients. Dogs diagnosed [...] Read more.
Despite the frequent gastrointestinal involvement, no studies have described the ultrasonographic appearance of the stomach in dogs with acute kidney injury (AKI) or acute-on-chronic kidney disease (ACKD). This retrospective study aimed to characterize the ultrasonographic features of gastropathy in such patients. Dogs diagnosed with AKI or ACKD and showing gastric abnormalities on ultrasound between January 2014 and January 2024 were included. A total of 113 dogs met the inclusion criteria. Gastric wall thickening was observed in all cases. Mucosal and/or submucosal abnormalities were present in 86.7% of dogs. Mucosal changes alone were found in 54.9%, including hyperechoic band or stripe and diffusely increased echogenicity, suggestive of possible mucosal mineralization. The most common mucosal finding was a hyperechoic band (48.4%), associated with higher calcium–phosphorus product levels. Submucosal changes alone were seen in 20.3% of dogs, typically as thickening with decreased echogenicity, consistent with possible submucosal edema. Both mucosal and submucosal abnormalities were present in 11.5% of cases. Mucosal changes were more frequent in ACKD, while submucosal alterations were more common in AKI. This study provides the first detailed description of gastric ultrasonographic features in dogs with AKI and ACKD. Full article
(This article belongs to the Special Issue Diagnostic Imaging Applications in Renal Diseases of Small Animals)
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