Genitourinary ❯ Renal Stone
CT Protocol for Renal Stone
Problem | Does the patient have a renal stone |
Protocol | This is a non contrast protocol which focuses on the kidney but the scan extends thru the bladder. Therefore the study requires no oral or IV contrast although it is helpful to have the patient drink 500-1000cc of water prior to the study. The scans should be done with thin section CT and use a lower dose protocol. Images should be reviewed in axial and coronal plane. |
Pearls | The accuracy for detecting stones likely approaches 100% but there are certain pitfalls involved. Some of the things to remember are;
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