Stones: Evaluation and Medical Management: Difference between revisions
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***US and CT measurements correlate 2/3 of the time | ***US and CT measurements correlate 2/3 of the time | ||
=== '''CT''' === | === '''CT scan (without contrast)''' === | ||
* '''Findings''' | * '''Findings''' | ||
**'''Pure uric acid stones have much lower Hounsfield units than calcium types''' | **'''Pure uric acid stones have much lower Hounsfield units than calcium types''' | ||
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**Availability | **Availability | ||
**Cost | **Cost | ||
=== MRI === | |||
* Findings | |||
** Stones appear as filling defects | |||
* Advantages | |||
** No exposure to radiation | |||
* Disadvantages | |||
** Availability | |||
** Cost | |||
== Diagnosis and Evaluation of Metabolic Stone Disease == | == Diagnosis and Evaluation of Metabolic Stone Disease == | ||