Kidney stone x ray: Difference between revisions

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{{CMG}}; {{AE}}{{ADS}}
==Overview==
==Overview==
==X ray Findings==
 
*The relatively dense calcium renders these stones radio-opaque and they can be detected by a traditional [[X-ray]] of the abdomen that includes the '''K'''idneys, '''U'''reters and '''B'''ladder—[[Kidneys, ureters, and bladder|KUB]].
An x-ray may be helpful in the diagnosis of nephrolithiasis. Findings on an x-ray suggestive of nephrolithiasis include radiopaque stones such as [[Calcium oxalate]] [[calcium phosphate]], [[struvite]] and radiolucent stones which includes [[uric acid]] stones and [[cystine]] stones.
*This may be followed by an [[Intravenous pyelogram|IVP]] (Intravenous Pyelogram; (IntraVenous Urogram (IVU) is the same test by another name)) which requires about 50 ml of a special dye to be injected into the bloodstream that is excreted by the kidneys and by its density helps outline any stone on a repeated X-ray.
 
*These can also be detected by a [[Retrograde pyelogram]] where similar "dye" is injected directly into the ureteral opening in the bladder by a surgeon, usually a urologist.
==X Ray==
[[File:Staghorn calc.gif|thumb|center|250px|Staghorn calculus on an abdominal X-Ray, Source: Radiopedia<ref>Case courtesy of Dr Natalie Yang. From the case <"https://radiopaedia.org/cases/9733">rID: 9733</ref>]]
*An x-ray may be helpful in the diagnosis of nephrolithiasis Findings on an x-ray suggestive of nephrolithiasis include:<ref>{{cite book | last = Wein | first = Alan | title = Campbell-Walsh urology | publisher = Elsevier | location = Philadelphia, PA | year = 2016 | isbn = 1455775673 }}</ref>
**Radiopaque stones
***Calcium-containing stones
****[[Calcium oxalate]] +/- [[calcium phosphate]]
****[[Struvite]] (triple phosphate) - usually opaque but variable
****Pure [[calcium phosphate]]
**Radiolucent stones
***[[Uric acid]]
***[[Cystine]]


==References==
==References==
{{reflist|2}}
{{Reflist|2}}


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Latest revision as of 06:30, 22 June 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Amandeep Singh M.D.[2]

Overview

An x-ray may be helpful in the diagnosis of nephrolithiasis. Findings on an x-ray suggestive of nephrolithiasis include radiopaque stones such as Calcium oxalate calcium phosphate, struvite and radiolucent stones which includes uric acid stones and cystine stones.

X Ray

Staghorn calculus on an abdominal X-Ray, Source: Radiopedia[1]

References

  1. Case courtesy of Dr Natalie Yang. From the case <"https://radiopaedia.org/cases/9733">rID: 9733
  2. Wein, Alan (2016). Campbell-Walsh urology. Philadelphia, PA: Elsevier. ISBN 1455775673.

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