“…There have been numerous modified surgical procedures since the first report by Malone et al [6,8,9,12,13,[16][17][18][19]21,22,[24][25][26][27][28][29]. When the appendix is inadequate for the conduit because of adhesions or inappropriate structures, when the appendix is surgically absent, or when the appendix is previously used for a continent urinary channel, alternate techniques are required.…”