Cases reported "Ureteral Calculi"

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1/6. hair as nidus for ureteral calculus formation: case report.

    A 52-year-old man with a significant history of nephrolithiasis was found to have a calcium oxalate dihydrate ureteral calculus that apparently formed on a hair. This nidus may have been introduced during previous instrumentation, perhaps on the tip of the ureteroscope, laser fiber, or even during the placement of a ureteral stent.
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ranking = 1
keywords = nephrolithiasis
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2/6. sulfadiazine-induced nephrolithiasis detected by spiral CT scan.

    nephrolithiasis is a known complication of the use of sulfadiazine in the treatment of cerebral toxoplasmosis. Radiographic diagnosis of this complication has historically been challenging. Between March 1999 and June 2002, 11 patients were treated for cerebral toxoplasmosis with sulfadiazine-containing therapy. Four of these patients (36.4%) developed nephrolithiasis during this period. Case patients had received sulfadiazine for a median of 35.5 days prior to nephrolithiasis. All cases were diagnosed by spiral CT scans. Although studies are needed to evaluate the sensitivity and specificity of this modality, spiral CT may aid in the diagnosis of sulfadiazine-induced nephrolithiasis.
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ranking = 7
keywords = nephrolithiasis
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3/6. Gas-containing renal stones.

    Emphysematous pyelonephritis is a rare, but potentially lethal, possible sequela of nephrolithiasis, occurring most commonly in diabetic patients. The diagnosis of emphysematous pyelonephritis relies on the radiologic finding of gas in the renal parenchyma. We present the case of a patient with sarcoidosis, diabetes, and obstructing, gas-containing ureteral stones. Gas-containing renal stones are exceedingly rare, but have been linked to serious renal infections. The case management and a brief review of the published reports follow. We propose that gas-containing stones be considered evidence of emphysematous pyelonephritis in certain clinical settings.
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ranking = 1
keywords = nephrolithiasis
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4/6. Radiolucent urinary calculus in a transplant patient: an unsuspected cause of ureteropelvic obstruction.

    The occurrence of nephrolithiasis and nephrocalcinosis in the patient who has undergone a renal transplant is rare and is usually related to parathyroid hypersecretion. A case is presented in which the patient had a radiolucent stone that arose as a result of the use of nonabsorbable sutures. It is clear that nonabsorbable sutures. It is clear that nonabsorbable sutures should be avoided in renal allotransplant recipients.
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ranking = 1
keywords = nephrolithiasis
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5/6. Nephrobronchial fistula. Complication of perinephric abscess secondary to ureteral obstruction and pyonephrosis.

    A case of nephrolithiasis complicated by obstruction leading to pyonephrosis, perinephric abscess, and nephrobronchial fistula is presented. The patient was treated successfully by nephrectomy and drainage of the subphrenic space and the pleural cavity. Nephrobronchial fistula, while a rare complication of perinephric abscess, should be considered when a patient presents with perirenal suppurative process and chest x-ray findings consistent with pleural effusion or pulmonary infiltrates.
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ranking = 1
keywords = nephrolithiasis
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6/6. Enterococcal endocarditis after extracorporeal shock wave lithotripsy for nephrolithiasis.

    We report a case of enterococcal endocarditis following extracorporeal shock wave lithotripsy (ESWL) for ureteral stone. Although endocarditis following ESWL is very rare, transient bacteraemia occurs during ESWL. This case is a reminder that enterococcal endocarditis may follow innovative genitourinary procedures without appropriate prophylaxis.
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ranking = 4
keywords = nephrolithiasis
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