Thursday, April 12, 2012

two important notes: guidelines on urolithiasis and invasive bladder cancer

Guidelines on Urolithiasis

Statements LE GR
US is the method of choice for practical and safe evaluation of pregnant women. 1a A
In symptomatic patients with suspicion of ureteral stones during pregnancy, limited IVU, MRU, or isotope renography is a possible diagnostic method.

Guidelines on Bladder Cancer Muscle-invasive

In 2006 a link between gadolinium-based contrast agents (Gd CA) and nephrogenic systemic fibrosis (NSF) was established. 
NSF may result in a fatal or debilitating systemic fibrosis. 
Patients with impaired renal function are at risk of developing NSF. 
For this group of patients, non-ionic linear Gd-CAs should be avoided (gadodiamide, gadopentetate dimeglumine, and gadoversetamide) and a stable macrocyclic contrast agent used (gadobutrol, gadoterate meglumine, or gadoteridol). 
Alternatively, contrast enhanced CT could be performed using iodinated contrast media (32) (LE: 4).



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