Renal dysplasia with giant rena; l calculus: management nightmare

Large Renal stones more than 5 cm are called as Giant Renal Calculus. They are rare and few cases are reported in literature which are more than 100 gm and more than 10 cm in maximum dimension. We are reporting a case of 72years female presented with left flank pain and a history of open Anderson Hynes pyeloplasty done 25 years back. On evaluation she was found to have a large Renal calculus 12 x 8.5 cmin a solitary functioning Kidney which was removed by performing Open Pyelolithotomy to deliver solitary large Renal calculus measuring 11.5 x 8.5 cm and weighing 457 gm.