In 12 of 21 cystinuric patients, the components of cystine stones, either previously passed or removed at surgery, were studied by X-ray diffractometry and chemical analysis. The results of diffractometry suggested that, in addition to cystine, the stones contained sodium urate and ammonium magnesium orthophosphate hydrate, although chemical analysis was negative for these components. The role of uric acid in cystinuria is discussed.
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http://dx.doi.org/10.1159/000474088 | DOI Listing |
Urolithiasis is a multifactorial condition where stone composition is critical in guiding treatment and prevention strategies. Advanced diagnostic techniques, such as infrared spectroscopy, provide precise stone analysis, enabling clinicians to tailor interventions based on specific stone types and associated metabolic abnormalities. Calcium oxalate monohydrate stones often require invasive approaches like percutaneous nephrolithotomy, while uric acid responds well to dissolution therapy.
View Article and Find Full Text PDFSci Rep
December 2024
Department of Urology, Qinghai University Affiliated Hospital, Xining, 810000, China.
Urolithiasis
November 2024
Department of Urology, University of California San Francisco, San Francisco, CA, USA.
The Maillard reaction is a non-enzymatic reaction between an amino acid and carbohydrate. We hypothesized that continuous washing of cystine stones with glucose could theoretically prevent growth of an existing cystine stone or even reduce its size leading to a decrease in stone events. Sodium/Glucose Cotransporter 2 (SGLT2) inhibitors, well known for inducing glucosuria, were used to test this hypothesis in an initial series of patients.
View Article and Find Full Text PDFACS Med Chem Lett
November 2024
Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States.
Arch Iran Med
November 2024
Department of Laboratory, State Security Service Military Hospital, Baku, Azerbaijan.
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