July 31, 2007

Allison Zwingenberger, in Ultrasound Tuesday

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Mirror Image Artifact

We all know that there are artifacts on just about every ultrasound image we look at. The physics of the sound waves interacting with tissues is complicated! But many of these artifacts need to be recognized and acknowledged so that you can move on with interpreting the images. The mirror image artifact is one that [...]

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July 24, 2007

Allison Zwingenberger, in Ultrasound Tuesday

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Feline chronic renal disease – acute presentation

Last week I wrote about the signs of chronic renal disease in cats. Ultrasound often shows small kidneys that may be irregular, have poor corticomedullary distinction, mineralization or pyelectasia. We see these changes commonly in cats with no or minimal clinical or biochemical signs of renal disease, and they stay quite stable. But acute decompensations [...]

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July 17, 2007

Allison Zwingenberger, in Ultrasound Tuesday

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Ultrasound of cats with chronic renal disease

Chronic renal disease is one of the most common ultrasonographic findings in older cats. If you’re doing ultrasounds on cats, you’re sure to see signs of chronic renal changes on a daily basis. Today I’ll talk about the renal features to evaluate. The normal kidney Normal kidneys in cats are oval or bean-shaped. They’re shorter [...]

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