Journal of Foot and Ankle Research

Introduction: Sesamoids, which are ovoid bones with variable size and shape in the course of tendons, can be found in different parts of skeletal system.

Case presentation: As a case report we observed a large accessory bone which was located anterior to left ankle joint in a 61 years old woman. Since such accessory bones are found very infrequently, their presence may cause some diagnostic confusion.

Conclusion: Regarding complaints in foot area one has to be familiar with such bones in order to make a correct diagnosis.