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  • Title: First cuneiform closing abductory osteotomy for reduction of metatarsus primus adductus.
    Author: Hara B, Beck JC, Woo RA.
    Journal: J Foot Surg; 1992; 31(5):434-9. PubMed ID: 1430821.
    Abstract:
    The closing subtraction osteotomy of the first cuneiform effectively reduces pronounced obliquity of the first metatarsal cuneiform joint and predictably reduces the intermetatarsal angle in patients with metatarsus primus adductus. This osteotomy is combined with other procedures in surgical realignment of the first ray. Cases best suited for this procedure must be selected carefully. The procedure involves resecting the existing bone block from the opposing surfaces of the first and second metatarsal bases and from the distal one half of the opposing surfaces of the first and second cuneiforms. A triangular-shaped wedge of bone is then resected from the midbody of the first cuneiform while retaining a medial hinge. Closure of the first cuneiform osteotomy should require only minimal pressure. Two threaded Steinman pins transfix the osteotomy site. The vascular cancellous bone of the first cuneiform assures adequate healing of the osteotomy site.
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