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The subcapital oblique osteotomy, or Weil osteotomy, is commonly used for other lesser toe deformities but has been infrequently described as a technique for correcting the bunionette deformity due to a large metatarsal head or mild increase in 4-5 intermetatarsal angle. Combined with distal soft tissue realignment, this technique is effective and has the advantage of allowing for elevation of the metatarsal head when increased plantar pressure presents as part of the pathology.
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Cooper et al. (2010) studied this question.
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