Peer-reviewed veterinary case report
Diuretic renal scans to check kidney stones in cats
By Hecht, Silke et al.Ā·Published in Journal of feline medicine and surgeryĀ·2010Ā·Department of Small Animal Clinical Sciences, United StatesĀ·View original on PubMed ā
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Original publication title: (99m)Tc-DTPA diuretic renal scintigraphy in cats with nephroureterolithiasis.
- Species:
- cat
Plain-English summary
A group of cats with kidney stones (nephroureterolithiasis) underwent a special imaging test called diuretic renal scintigraphy to check for blockages in their urinary system. The results showed that some cats had normal kidney function, while others had signs of obstruction or unclear results. Unfortunately, many of the tests were inconclusive, especially in cats with poor kidney function. While this imaging technique can help diagnose urinary blockages in some cases, it may not be reliable for all cats, particularly those with existing kidney issues.
People also search for: cat kidney stones treatment Ā· cat urinary blockage symptoms Ā· diuretic renal scintigraphy in cats
Abstract
The purpose of this study was to evaluate results of diuretic renal scintigraphy in 32 feline kidneys with nephroureterolithiasis and variable degrees of renal pelvis/ureteral dilation. Six kidneys showed a non-obstructive scintigraphic pattern, with a downward slope of time-activity curves (TAC) and a median excretion half-time of radiopharmaceutical (T((1/2))) of 6.09 (5.08-8.43) min. Eight kidneys showed an obstructive pattern, with a continuous rise of TAC and median T((1/2)) of -7.91 (-43.13-0.00) min. In one kidney with presumptive partial obstruction scintigraphic results were equivocal. Seventeen kidneys, most of which had an individual kidney glomerular filtration rate below 0.5ml/min/kg, had non-diagnostic studies. Diuretic renal scintigraphy may be a useful adjunct modality in the diagnosis of ureteral obstruction in some cats if renal function is maintained. However, the large number of non-diagnostic studies in animals with decreased renal function represents a clear limitation of the technique.
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Search related cases āOriginal publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20303309/