Fast Five Quiz: Primary Hyperoxaluria Type 1 Screening and Diagnosis

Bradley Schwartz, DO


March 04, 2022

CT, in particular spiral CT without intravenous contrast, is quickly supplanting intravenous pyelography as the preferred method for evaluating patients who may have a urinary stone, such as those who present with acute flank pain.

Although CT has many advantages, stones composed of protease inhibitors are not easily distinguishable on CT scans; intravenous contrast may be used to clarify the diagnosis.

Unlike stones made up of protease inhibitors, uric acid stones appear clearly on CT scans.

Learn more about the workup for PH1.


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