Although accessory ossicles and sesamoid bones are generally considered clinically insignificant anatomic variations, they can become symptomatic.
We have reviewed a spectrum of pathology involving accessory ossicles and sesamoid bones.
Accessory ossicles and sesamoid bones of the ankle and foot: Imaging findings, clinical significance and differential diagnosis.
This article reviews a spectrum of accessory ossicle and sesamoid pathology and provides guidelines for the preferred imaging modality for the suspected abnormality.
The os calcaneus secundarius is an accessory ossicle of the anterior facet of the calcaneus, which may be mistaken for a fracture of the anterior process.