Medical Management of Unknown Stone Types
Evaluation and management of the patient with kidney stones of unknown composition present a difficult challenge to the clinician. In the event that a stone cannot be obtained for analysis, the work-up should include a targeted dietary and medical history with attention to comorbid conditions and vitamin supplements. Abdominal imaging and 24-hour urine collection add important information to the diagnostic evaluation to narrow the differential. Once a treatment plan is determined, regular laboratory and imaging surveillance is necessary to ensure that dietary and medication changes effectively reduce the risk of recurrent stone formation.
KeywordsUnknown stone composition Diagnostic tests Calcium oxalate Calcium phosphate Uric acid
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