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4Sagittal plane osteotomy

Preoperative planning

Preoperative planning is very important when performing an osteotomy for deformity correction.
The sagittal plane osteotomy is performed with the mid-portion of the osteotomy (b) in the sagittal plane midway between the medial and lateral cortex centered over the deformity.
The proximal limb of the osteotomy (a) can be oriented either medially or laterally, the distal limb (c) is then oriented towards the opposite cortex. The connecting limb of the osteotomy is made in the sagittal plane.