The Dwyer osteotomy is best described as which of the following?

The Dwyer osteotomy is best described as which of the following?

• A. Medial calc slide
• B. Lateral calc slide
• C. Plantarflexion osteotomy
• D. Tibial osteotomy

Answer: (A)

The Dwyer osteotomy is a medializing calcaneal osteotomy. It corrects hindfoot varus by shifting the calcaneal tuberosity medially, which is achieved by removing a wedge from the lateral aspect of the calcaneus so the posterior fragment translates toward the inside of the foot. This medial slide realigns the hindfoot into a more valgus position and improves overall foot biomechanics. It is not a plantarflexion osteotomy, not a tibial osteotomy, and not a lateralizing move, which is why describing it as a medial calcaneal slide best captures its effect.

The Dwyer osteotomy is a medializing calcaneal osteotomy. It corrects hindfoot varus by shifting the calcaneal tuberosity medially, which is achieved by removing a wedge from the lateral aspect of the calcaneus so the posterior fragment translates toward the inside of the foot. This medial slide realigns the hindfoot into a more valgus position and improves overall foot biomechanics. It is not a plantarflexion osteotomy, not a tibial osteotomy, and not a lateralizing move, which is why describing it as a medial calcaneal slide best captures its effect.