the california college of podiatric medicine has evaluated the complications encountered in the austin-type bunionectomy and compiled the following list of possible causes : 1 ) improper preoperative criteria , 2 ) incorrect angle between arms of the v-osteotomy , 3 ) incorrect direction of the osteotomy on the transverse plane , 4 ) removal of too little or too much bone medially in a bi-correctional procedure , 5 ) transposition of capital fragment too far laterally , 6 ) failure to remove medial wedge at least 80 % through the head , 7 ) placement of v-osteotomy in cystic or osteoporotic bone , and 8 ) improper instrumentation .
C0029468
osteotomy
C0262950
bone