biostudies-literatureUnknown1(1)Takagi T<h4>Introduction</h4>It is sufficient to correct posttraumatic cubitus varus deformity in only the coronal plane in children under the age of ten years to allow more precise and stable correction, and a modified step-cut (reverse V) osteotomy is one of the best methods.<h4>Step 1 expose the distal part of the humerus</h4>With the patient in a lateral decubitus position, expose the distal part of the humerus both medially and laterally, using gentle retraction to avoid radial nerve palsy.<h4>Step 2 resect bone</h4>Using a triangular template made prior to surgery, perform the osteotomy.<h4>Step 3 reduce deformity</h4>Increase the degree of correction to reduce the deformity.<h4>Step 4 fixation and skin closure</h4>Cross-pin with Kirschner wires, taking care to avoid hyperextension at the osJBJS essential surgical techniquese3https://www.ebi.ac.uk/biostudies/studies/S-EPMC7821968biostudies-literatureA Modified Step-Cut (Reverse V) Osteotomy to Treat Posttraumatic Cubitus Varus Deformity.PMC7821968Seki ATakagi TTakayama SYun YHfalseA Modified Step-Cut (Reverse V) Osteotomy to Treat Posttraumatic Cubitus Varus Deformity.<h4>Introduction</h4>It is sufficient to correct posttraumatic cubitus varus deformity in only the coronal plane in children under the age of ten years to allow more precise and stable correction, and a modified step-cut (reverse V) osteotomy is one of the best methods.<h4>Step 1 expose the distal part of the humerus</h4>With the patient in a lateral decubitus position, expose the distal part of the humerus both medially and laterally, using gentle retraction to avoid radial nerve palsy.<h4>Step 2 resect bone</h4>Using a triangular template made prior to surgery, perform the osteotomy.<h4>Step 3 reduce deformity</h4>Increase the degree of correction to reduce the deformity.<h4>Step 4 fixation and skin closure</h4>Cross-pin with Kirschner wires, taking care to avoid hyperextension at the os2011-01-01T00:00:00Z2011 Jun2025-04-04T21:15:56.588Z2025-04-04T21:15:56.588ZS-EPMC78219683373812810.2106/JBJS.ST.K.0001110.2106/jbjs.st.k.00011