High prevalence of nephrolithiasis in males may also be due to hormonal factors, because androgens appear to increase urinary oxalate excretion and kidney calcium oxalate
deposition.6 In the present study most of the patients having stones were obese or overweight (70.91%).
High levels of calcium in the blood can predispose a cat to form calcium oxalate
Screening plate showing large transparent area formed after dissolution of calcium oxalate
Cromack K Jr, Sollins P, Graustein WC, Speidel K, Todd AW, Spycher G, Li CY, Todd RL (1979) Calcium oxalate
accumulation and soil weathering in mats of the hypogeous fungus Hysterangium crassum.
Secreted products of macrophages exposed to calcium oxalate
crystals induce epithelial mesenchymal transition of renal tubular cells via RhoA-dependent TGF-[beta]1 pathway.
Dietary calcium helps limit your body's absorption of oxalate, and low dietary calcium has been found to increase the risk of calcium oxalate
On the other hand, these drugs may induce the formation of calculi through its metabolic action by interfering with calcium oxalate
or purine metabolisms .
Pure stones Partial Substances detected (n) Agreement (n) agreement (n) Calcium oxalate
monohydrate (47) 44 3 Calcium oxalate
dihydrate (1) 1 0 Carboapatite (1) 1 0 Anhydrous uric acid (4) 4 0 Brushite (2) 2 0 Ammonium urate (1) 1 0 Cystine (10) 10 0 Proteins (5) 5 0 Total (71) 68 (95.7%) 3 (4.3%) Disagreement Substances detected (n) (n) Calcium oxalate
monohydrate (47) 0 Calcium oxalate
dihydrate (1) 0 Carboapatite (1) 0 Anhydrous uric acid (4) 0 Brushite (2) 0 Ammonium urate (1) 0 Cystine (10) 0 Proteins (5) 0 Total (71) 0 (0.0%) Table 3: Composition and agreement in pure stone with substances in trace group.
crystals have previously been reported in the diagnosis of an Aspergillus spp.
Stone size limits the use of Hounsfield units for prediction of calcium oxalate
(11,12) It has been suggested that the proximal tubule phenotype may contribute to the deposition of calcium oxalate
crystals that are characteristic of ACD-RCC.