Salomonowitz E, Castaneda-Zuniga W R, Lange P H, Cragg A H, Lund G, Hunter D W, Coleman C C, Amplatz K
Radiology. 1984 Mar;150(3):833-4. doi: 10.1148/radiology.150.3.6420836.
The successful performance of a percutaneous nephrostomy requires contrast material in the renal collecting system. For an exact delineation of all renal calices in a patient allergic to iodine, carbon dioxide was injected into the renal pelvis. The stone was removed successfully.