Fusion of the primary and accessory navicular bones: a modification of the kidner procedure

Accessory navicular is a congenital anomaly. Present in about 9% of the population, it is symptomatic in only a small percentage. The pertinent anatomy, clinical presentation, classification system, and conservative treatment are discussed. Surgical options are reviewed. The surgical technique for a modified Kidner procedure in which the primary and accessory naviculars are fused is described in detail.