ArticleJournal of veterinary internal medicine2020
The ultrasonographic medullary "rim sign" versus medullary "band sign" in cats and their association with renal disease.
Article in Journal of veterinary internal medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed, 14 citations in OpenAlex.
- Analysis of risk factors, clinical data, treatment outcomes for cats with feline infectious peritonitis using GS-441524 (2020-2024).Scientific reports · 2025Article
- Feline Renal Cortical Thickness-Aortic Diameter Ratio in Healthy Versus Diseased Kidneys: Comparative Ultrasonographic Evaluation.Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association · 2025Article
- Association of preoperative ultrasonographic parameters of the contralateral kidney with long-term serum creatinine in cats treated for unilateral ureteral obstruction.Frontiers in veterinary science · 2025Article
- Comparison of serum creatinine, point-of-care symmetric dimethylarginine and renal imaging with glomerular filtration rate measured by renal scintigraphy in healthy and early chronic kidney diseased cats.Veterinary research communications · 2023Article
- The ultrasonographic medullary "rim sign" versus medullary "band sign" in cats and their association with renal disease.Journal of veterinary internal medicine · 2020Article
- Renal scintigraphy as an early and efficient method for detecting loss of renal function in a cat.JFMS open reportsArticle
- Diagnostic Value of Echocardiography in Cats With and Without Ultrasonographic Evidence of Renal Infarction.Journal of veterinary internal medicineArticle
- Perirenal cyst-like lesions associated with feline infectious peritonitis in a Maine Coon cat.JFMS open reportsArticle
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMedullary rim sign (MRS) refers to a hyperechoic line in the renal medulla, reported on ultrasound examination (US) in both dogs and cats with and without kidney disease (KD).
objectiveTo describe the different aspects of MRS in cats and to assess its association with KD. ANIMALS: Cats that underwent US examination, with MRS (study group) with and without KD and without MRS with and without KD (control groups).
methodsRetrospective case-control study: cats with MRS, with or without KD (rim sign groups) and cats without MRS, with or without KD (control groups). Ultrasonographic images were blindly reviewed with attention given to the thickness and margins of the MRS recorded.
resultsEighty-four cats with MRS were included and 60 cats recruited for each control group. The MRS had 2 distinct aspects: a thin hyperechoic line with well-defined margins (MRS-line) in 50/84 cats (59%) and a thick hyperechoic band with ill-defined margins (MRS-band) in 34/84 cats (41%). Twenty of 50 (40%) cats with MRS-line and 25/34 (74%) of cats with MRS-band had KD. The frequency of MRS-line was higher in cats without KD, whereas the presence of MRS-band was more frequent in cats with KD (P = .003). CONCLUSIONS AND CLINICAL IMPORTANCE: A thick hyperechoic ill-defined band (for which the term medullary band sign is proposed) was more frequently associated with KD, whereas a thin hyperechoic well-defined line (true MRS) may be seen in cats with or without KD.
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