A left retrograde pyelogram was performed.A 11/13 boston scientific ureteral access sheath was advanced over the working wire and into the ureter under fluoroscopic guidance.It passed easily to the level of the renal pelvis.The inner dilator and working wire were then removed.A flex-x flexible ureteroscope was passed into the access sheath for examination of the ureter, renal pelvis, and calyces.There were multiple stones within the left kidney that were fragmented and basketed.Large left ureteral stone was fragmented a 273 micron holmium laser fiber and removed.There were 2 stones within the left kidney which were large enough to require fragmentation with the laser.Both of these were lasered into small fragments and the fragments were removed.A 2mm portion of the distal end of the holmium laser fiber broke off during the ureteral stone lithotripsy.Physician tried to basket this fragment, however it slipped out of the basket and he was unable to see where it went.Physician spent a significant amount of time attempting to find the laser fiber fragment, however, he was never able to find it.The fragment was too small to be located with radiographic imaging.
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