7Naoki T, Kentaro I, Yosuke M. The naturai history of simple renal cysts [ J ]. I Urol,2002,167:21-23.
8Mohsen T, Ganha MA. Treament of symptanatic simple renal cysts by percutaneous aspiration and ethanol sclerotherapy [ J ]. BJU Int,2005, 96( 1 ) : 1369-1372.
9Akinci D, Akhan O, Omen M, et al. Long-tem results of single sessionpercutaneous drainage and ethanol sclerotherapy in sinple renalcysts [ J ]. Eur J Radio, 2005,54 ( 2 ) : 298-302.
10Gasparini D, Sponza M, Volotto C,et al. Renal cysts:can percutaneous ethanol injectiobns be considered an alternative to surgical? [ J]. Urol Int,2003,71 : 197-200.