A–D, Modified Pauwels intertrochanteric osteotomy for acquired coxa vara or nonunion. (Redrawn from Magu NK, Rohilla R, Singh R, et al: Modified Pauwels’ intertrochanteric osteotomy in neglected femoral neck fracture. Clin Orthop Relat Res 467:1064, 2009.) SEE TECHNIQUE 36.21.