Pyelonephritis other imaging findings: Difference between revisions
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==Overview== | ==Overview== | ||
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'''Acute Pyelonephritis''' | '''Acute Pyelonephritis''' | ||
*Acute pyelonephritis consist of focal areas of striated or wedge-shaped hypoperfusion, resulting in a characteristic '''striated nephrogram'''. | *Acute pyelonephritis consist of focal areas of striated or wedge-shaped [[hypoperfusion]], resulting in a characteristic '''[[striated]] nephrogram'''. | ||
*Striations result from stasis of contrast material within edematous tubules that demonstrates increasing attenuation over time. | *Striations result from stasis of contrast material within edematous tubules that demonstrates increasing attenuation over time. | ||
*The infected kidney is usually enlarged, and there is often stranding in the perinephric fat. | *The infected kidney is usually enlarged, and there is often stranding in the [[perinephric fat]]. | ||
*Delayed views of the infected kidney may demonstrate a nephrogram with increased attenuation. | *Delayed views of the infected kidney may demonstrate a nephrogram with increased attenuation. | ||
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[[Category:Needs content]] | [[Category:Needs content]] | ||
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{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
Revision as of 15:04, 27 September 2012
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Please help WikiDoc by adding more content here. It's easy! Click here to learn about editing. Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Other Imaging Findings
Contrast Nephrograms
Acute Pyelonephritis
- Acute pyelonephritis consist of focal areas of striated or wedge-shaped hypoperfusion, resulting in a characteristic striated nephrogram.
- Striations result from stasis of contrast material within edematous tubules that demonstrates increasing attenuation over time.
- The infected kidney is usually enlarged, and there is often stranding in the perinephric fat.
- Delayed views of the infected kidney may demonstrate a nephrogram with increased attenuation.
Urography
Xanthogranulomatous Pyelonephritis
- Classic urographic triad in diffuse xanthogranulomatous pyelonephritis consists of unilaterally decreased or (more commonly) absent renal excretion, a staghorn calculus, and a poorly defined mass or diffuse renal enlargement.