This article is about a condition that evolves as an extra bone in the foot. Up to 2.5% of individuals are born with an extra bone right over the navicular bone in the foot in the middle of the arch.

Accessory navicular bone disorders represent a significant yet frequently under‐diagnosed anomaly in the paediatric foot. The accessory navicular is an extra ossicle located adjacent to the navicular ...

I just recently developed severe pain at the small bump (bone) above my right foot arch. If surgery is only a temporary solution, since the cartilage grows back, what can be done to relieve or prevent ...

Accessory ossicles are bony structures (normal congenital variant) that separate from adjacent bone and are usually embedded within tendons. More than 40 different types of accessory ossicles have ...