European urology
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To assess the prognostic value of microscopic venous invasion (MVI) in a long-term follow-up series. ⋯ It seems that MVI is an independent prognostic factor of survival for patients with pT1 to pT3b N0 M0 renal cell carcinoma.
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Randomized Controlled Trial Clinical Trial
Stent positioning after ureteroscopy for urinary calculi: the question is still open.
We conducted a study to assess the need for routine ureteral stenting after ureteroscopic stone removal using Lithoclast pneumatic intracorporeal lithotripsy. ⋯ In our experience, using Swiss Lithoclast ballistic energy to fragment stones, routine stent placement is advisable also after uncomplicated ureteroscopic lithotripsy without ureteral dilation. Further prospective randomized studies are needed to assess the role of stenting after ureteroscopic lithotripsy, considering different energies sources, scopes, diameter and site of the stones in the ureter.