Urine

Comprehensive morpho-constitutional analysis of urinary stones improves etiological diagnosis and therapeutic strategy of nephrolithiasis

… A more comprehensive method combining careful morphologic examination of the surface and the section of stones with detailed FTIR analysis of the nature, location, crystalline phases and a respective proportion of stone constituents, therefore termed ‘morphoconstitutional’ analysis, as used in our laboratory for four decades provides more complete etiologic information. In common idiopathic CaOx … Leggi tutto

A lavatory urine color (LUC) chart method can identify hypohydration in a physically active population

To provide a new and efcient at-the-toilet-bowl method of self-assessing urine concentration via urine color (Uc) to identify hypohydration. … Urine color was scored similarly by subjects and investigators (P=0.99). Based on receiver operating curves (ROC), the method scored fair, i.e., the area under the curve ranging 0.73–0.82, with an accuracy of participants and investigators … Leggi tutto

Concomitant Urinary Triple Phosphate and Cystine Crystals

A 37-year-old man with cystinuria was seen in the nephrology clinic for routine follow-up. He had received a diagnosis of cystinuria at 1 year of age, when he had presented with nephrolithiasis and pyelonephritis; subsequent workup had shown elevated 24-hour cystine urinary excretion and homozygous variants in the gene SLC3A1. … n engl j med … Leggi tutto