Fracture of a Talocalcaneal Coalition as a Differential Diagnosis in an Acute Ankle Sprain

Authors' contributions
DW was involved in drafting the manuscript and preparing the figures; NG and JE performed the clinical investigation and contributed in the appropriate sections to the manuscript. ACS and MJR did the drawings and assisted writing the Review section. SO was responsible to create the algorithm and in writing the manuscript. All authors read and approved the final manuscript. All authors were involved in the final approval of the submitted version.

Authors' information
DW, NG, JE and ACS are residents at the Department of Trauma, Hand and Reconstructive Surgery of the University Hospital Münster, they are clinically and scientifically mainly focused on foot and ankle surgery, MJR is the head of the Department, SO is the head of the Foot and Ankle Group.

Acknowledgements
We acknowledge support by Deutsche Forschungsgemeinschaft and Open Access Publication Fund of University of Muenster.