Urolithiasis

Chapter 9 Urolithiasis



Introduction, Terminology, and General Pathophysiology



Urine Is a Complex Solution Containing Many Organic and Inorganic Solutes










Urine Is Commonly Supersaturated With Crystalloids










Pathophysiology of Individual Stone Types



Struvite Urolithiasis














Oxalate Urolithiasis













9. Altered calcium metabolism may play a role in development of oxalate urolithiasis (Figure 9-8).







11. The role of diet in oxalate urolithiasis in dogs and cats is unclear. The following conclusions are based on recent studies of diet composition and risk of calcium oxalate urolithiasis:














Urate Urolithiasis





1. Urate stones in dogs usually are composed of the monobasic ammonium salt of uric acid (ammonium acid urate) (Figure 9-9). In human beings, they usually are composed of uric acid. Urate stones found in dogs with portosystemic shunts often contain struvite in addition to urate.












Cystine Urolithiasis



















Silicate Urolithiasis




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Jul 10, 2016 | Posted by in INTERNAL MEDICINE | Comments Off on Urolithiasis

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