Remoçäo percutânea de cálculo em ureter de rim transplantado em paciente grávida / Percutaneous removal of an ureteral calculous from a transplanted kidney in a pregnant patient

We report a case of nephro-ureteral lithiasis causing obstruction in a pregnant woman at 23 weeks of gestation, treated successfully by percutaneous surgery. The kidney was punctured and dilated to 18 Fr. The ureter was antegrade accessed with a rigid ureteroscope (11.5 Fr) and the calculous was fragmented and retrieved with stone forceps. A double-J cateter was left in place and a nephrostomy tube was placed. The patient did well and the pregnancy was uneventful until a health newborn at term