Rates of stone passage were highest in stones that began their journey in the upper area of the kidney known as the calyx. Since renal stones greater than 6 mm have only, at best, a 1% chance of ...

Calyceal calculi. The renal calyces are the most common location for asymptomatic urinary calculi, which are often incidentally discovered on an imaging study performed for another indication.

Background Transcatheter renal artery embolization is an effective and minimally invasive treatment option for acute renal bleeding. Early post-interventional complications include groin hematoma ...