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Fig. 5 | Journal of Orthopaedic Surgery and Research

Fig. 5

From: Geometric analysis of indications for minimally invasive distal metatarsal osteotomy in treatment of hallux valgus

Fig. 5

Clinical examples of correct and improper MIDMO indication. Left part of the figure shows correct indication for MIDMO with sufficient postoperative contact between fragments and optimal postoperative correction. Right part of the figure shows MIDMO with improper indication because of too large bunion exostosis (5.5 mm) for the given subcapital neck width (13 mm). Geometrical analysis of preoperative radiograph predicts only 4 mm of postoperative contact, and this was even further reduced to 3 mm due to intraoperative plantar displacement of the distal fragment, finally resulting in pseudoarthrosis

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