We report on 3 cases of stone formation in the prostatic urethra after cryosurgical ablation of the prostate. This complication occurred late in the course, many months after the normal postoperative healing process apparently was finished and patients enjoyed normal voiding. Transrectal ultrasound proved to be useful in making the diagnosis. Treatment included lithotripsy and cold resection of residual dead tissue.
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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.
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Surgical intervention is currently the primary treatment for hepatolithiasis; however, some patients still experience residual stones and high recurrence rates after surgery. Cholesterol metabolism seems to play an important role in hepatolithiasis pathogenesis. A high cholesterol diet is one of the significant reasons for the increasing incidence of hepatolithiasis.
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To investigate the role of the intestinal bacterial microbiota in the pathogenesis of calcium oxalate nephrolithiasis in cats, a condition characterized by the formation of kidney stones, it is desirable to identify a sample collection method that accurately reflects the microbiota's composition. The objective of this study was to evaluate the impact of fecal sample collection methods on the intestinal microbiota composition in two cat populations: healthy cats and kidney stone-diseased cats. The study included eighteen cats from the same colony, comprising nine healthy cats and nine cats with spontaneously occurring presumed calcium oxalate kidney stones.
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