Fig. 1.

(A): The starting point of osteotomy and the direction of osteotomy was from the distal to the proximal; (B): An Akin osteotomy was undertaken through a dorsomedial approach using a 1.5 × 20 mm burr; (C): The distal second metatarsal osteotomy was performed with a 1.5 × 20 mm burr without screw fixation; (D): One or two the hollow nail guidewires were inserted through separate incisions to fix the osteotomy.