Perinephric stranding
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Perinephric strandingrefers to the appearance of oedema within within the fat of the perirenal space on CT or MRI. While a degree of symmetric bilateral perinephric stranding is common, particularly in the elderly, asymmetric or unilateral perinephric stranding is an important sign of renal inflammation or of acute obstruction. As such, it is seen in conditions such as acute pyelonephritis and with ureteric calculi.
-<p><strong>Perinephric stranding </strong>refers to the appearance of oedema within the fat of the <a href="/articles/perirenal-space">perirenal space</a> on CT or MRI. While a degree of symmetric bilateral perinephric stranding is common, particularly in the elderly, asymmetric or unilateral perinephric stranding is an important sign of renal inflammation or of acute obstruction. As such, it is seen in conditions such as <a href="/articles/acute-bacterial-pyelonephritis">acute pyelonephritis</a> and with <a href="/articles/ureteric-calculi">ureteric calculi</a>. </p>- +<p><strong>Perinephric stranding </strong>refers to the appearance of oedema within the fat of the <a href="/articles/perirenal-space">perirenal space</a> on CT or MRI. While a degree of symmetric bilateral perinephric stranding is common, particularly in the elderly, asymmetric or unilateral perinephric stranding is an important sign of renal inflammation or of acute obstruction. As such, it is seen in conditions such as <a href="/articles/acute-pyelonephritis-1">acute pyelonephritis</a> and with <a href="/articles/ureteric-calculi">ureteric calculi</a>. </p>
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Case 1b: pyelonephritis on left (zoomed in)
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Case 1c: pyelonephritis on left (zoomed in)
Image 4 CT (non-contrast) ( update )
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Case 12: on left due to ureteric stone
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