Although antegrade ureteral catheterization is best approached from a middle or upper middle calix for the most favorable force vector. it is occasionally necessary to use a lower pole caliceal approach. A catheter technique is described for completing antegrade ureteral catheterization via the lower pole calix when conventional catheterguidewire combinations fail.
- Catheters, catheterization
- Stone extraction
- Ureter, kidney, intervention
ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging
- Cardiology and Cardiovascular Medicine