[Coagulum technic for removal of kidney calix calculi]

Coagulum pyelolithotomy is a useful adjunct for the extraction of renal caluli. This article describes a simplified technique using cryoprecipitated plasma, thrombin and calcium chloride. The method has been tested in vitro with twenty cadaver kidneys filled with stones. The results are analyzed. The technique is of definite interest when performed under the conditions described. The excellent results for patients make it very valuable. The limitations and advantages of the technique are discussed.