Renal calculus - IVU control image
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Renal calculus - IVU control image
- This image shows a single focus of calcific density projected over the left kidney.
- Further investigation is required to determine if this is located within the renal collecting system.
- In this patient an Intravenous Urogram (IVU) was performed - see below.
Renal calculus - IVU image
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Renal calculus - IVU image
- (Same patient as image above)
- Following intravenous injection of contrast material the outlines of the kidneys and collecting systems are demonstrated. This helps to determine if a suspected stone is within the collecting system.
- In this case the renal stone (calculus) - which is less dense than the surrounding contrast material - appears as a filling defect in the renal pelvis.
Staghorn calculus
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Staghorn calculus
- Renal stones may be so large they partly or completely fill the renal pelvis and calyces, taking on the form of a staghorn.
- Both these calculi can be described as 'staghorn', the one on the right being particularly large.
Nephrocalcinosis
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Nephrocalcinosis
- Nephrocalcinosis is an uncommon form of renal calcification. Calcified material is seen in the renal parenchyma itself rather than in the collecting system.