[Marginal nephrectomy for the removal of coral calculi].

Efforts aimed at surgical solutions conserving the organs obtained importance also in renal surgery in recent years. This fact meant a milestone in the life of patients suffering from coral calculi, since it has been recommended to perform nephrectomy only in rare cases, and in the majority of cases young mothers were concerned. On the basis of the operation material comprising 12 cases--out of which some cases are described--the points of view of the marginal nephrectomy are discussed in detail. Among the modified techniques on the one hand the hairpin-shaped suture, on the other in the case of the local disease of the calyx system the marginal nephrectomy combined with wedge-shaped resection are explained, for the reduction of the danger of a recidivation of calculi an essential importance is ascribed to the last mentioned method.