When (and how) to surgically treat asymptomatic renal stones.

01:56 EDT 26th October 2014 | BioPortfolio

Summary of "When (and how) to surgically treat asymptomatic renal stones."

Asymptomatic renal stones are identified in 8-10% of screened populations. With the increasing utilization of CT, the number of patients seeking urologic care for incidentally diagnosed renal calculi is likely to increase. Such patients present an important management dilemma: differentiating those to treat surgically from those who can be safely observed. Observational studies have revealed that approximately 50% of asymptomatic stones will progress, but most will not require surgery. Stones >15 mm in diamater and located in the renal pelvis are at highest risk of progression. Although no guidelines exist for the optimal monitoring regimen for asymptomatic stones, follow-up studies may include serum creatinine, plain radiography, ultrasonography, and CT. Shock wave lithotripsy (SWL) does not seem to offer significant benefit over observation for asymptomatic calyceal stones. Percutaneous nephrolithotomy does improve stone-free rates compared to SWL or observation. Additional research is needed to characterize the role of ureteroscopic management of asymptomatic renal stones.

Affiliation

Duke University Medical Center, Division of Urologic Surgery, 200 Trent Drive, DUMC 3167, Durham, NC 27710, USA.

Journal Details

This article was published in the following journal.

Name: Nature reviews. Urology
ISSN: 1759-4820
Pages:

Links

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Medical and Biotech [MESH] Definitions

Stones in the URETER that are formed in the KIDNEY. They are rarely more than 5 mm in diameter for larger renal stones cannot enter ureters. They are often lodged at the ureteral narrowing and can cause excruciating renal colic.

Organs or parts of organs surgically formed from nearby tissue to function as substitutes for diseased or surgically removed tissue.

The prototypical uricosuric agent. It inhibits the renal excretion of organic anions and reduces tubular reabsorption of urate. Probenecid has also been used to treat patients with renal impairment, and, because it reduces the renal tubular excretion of other drugs, has been used as an adjunct to antibacterial therapy.

A chronic inflammatory condition of the KIDNEY resulting in diffuse renal destruction, a grossly enlarged and nonfunctioning kidney associated with NEPHROLITHIASIS and KIDNEY STONES.

A diuretic and renal diagnostic aid related to sorbitol. It has little significant energy value as it is largely eliminated from the body before any metabolism can take place. It can be used to treat oliguria associated with kidney failure or other manifestations of inadequate renal function and has been used for determination of glomerular filtration rate. Mannitol is also commonly used as a research tool in cell biological studies, usually to control osmolarity.

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