Types of Navicular Fractures

Three types of navicular body fractures have been described by Sangeorzan et al

• Type 1: The fracture line is in the coronal plane of the foot. No angulation of the forefoot is seen.
• Type 2: The fracture line is in the dorsal-lateral to plantar-medial plane. The forefoot is displaced medially.
• Type 3: Comminuted fracture in the sagittal plane of the navicular body. There is lateral forefoot displacement.

References

Sangeorzan BJ, Benirschke SK, Mosca V, Mayo KA, Hansen ST Jr. Displaced intra-articular fractures of the tarsal navicular. J Bone Joint Surg Am. 1989 Dec;71(10):1504-10.