Diagnosis of the acute OS peroneum fracture

Acute fracture of the os peroneum is a relatively uncommon injury. However physicians must be cognizant of its occurrence and include it in their differential diagnosis of acute ankle trauma. A careful clinical evaluation as well as awareness of its radiographic appearance and of the possibility for injury to other surrounding structures is important in the appropriate diagnosis and management of this fracture. We present the case of a patient who sustained an os peroneum fracture and review the relevant literature.