Stones: Evaluation and Medical Management: Difference between revisions
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=== '''CT''' === | === '''CT''' === | ||
* '''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''' | ||
**'''Forniceal extravasation''' | |||
* '''Forniceal extravasation''' | *** Usually associated with a small distal ureteral calculus. | ||
** Usually associated with a small distal ureteral calculus. | *** '''Should be similarly to other ureteral stones:''' intervention should be undertaken when there is an associated fever, nausea/vomiting, or unrelenting pain. Otherwise, conservative observation is appropriate. | ||
** '''Should be similarly to other ureteral stones:''' intervention should be undertaken when there is an associated fever, nausea/vomiting, or unrelenting pain. Otherwise, conservative observation is appropriate. | *'''Advantages''' | ||
*Advantages | **'''Most sensitive modality for stones''' | ||
**Most sensitive modality for stones | |||
*Disadvantages | *Disadvantages | ||
**Exposure to radiation | **Exposure to radiation | ||