We report a case of an unusual uroepithelial cyst arising from a renal cali
x in an African-American man with sickle cell trait, The lesion was incised
and decompressed using a 7.5F flexible ureteroscope in conjunction with th
e holmium:YAG laser and a 200-mum quartz laser fiber. To our knowledge, end
ourologic management of this type of lesion has not been described in the l
iterature.