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Abstract Background The calcaneus secundarius (CS) is an accessory ossicle of the anterior facet of the calcaneus and is usually asymptomatic. This accessory bone can be frequently mistaken for a fracture of the anterior process of the calcaneus. Few reports of symptomatic CS have been published, and physicians need to be familiar with imaging strategies when encountering chronic ankle pain or in case of suspicion of fracture of the anterior process of the calcaneus. Case presentation We describe the case of symptomatic CS in a professional soccer player injured during a match. First, computed tomography showed a large CS. Second, magnetic resonance imaging (MRI) demonstrated synchondrosis between the CS and the calcaneus, as well as edema (high MR T2 signal) within it, corresponding to posttraumatic edema. The patient was successfully treated with nonsteroidal anti-inflammatory drugs and physiotherapy; no surgical management was necessary. At the 4-week follow-up, he was pain-free and returned to activity. Conclusion This case illustrates the role of imaging for the diagnosis of CS in cases of acute pain of the foot. CT, as well as MRI, helped to confirm the diagnosis of CS traumatized synchondrosis, which can be mistaken for a fracture.

The aim of this publication is to draw a comparison between dental studies in the EU and in Switzerland. For this purpose, Swiss students from the graduation years 2015-2018 were surveyed about their practical training. These results could be compared with figures from the EU. Of the 34 treatments compared, 26 were performed more often by Swiss students. In addition to the comparison with the EU area, it was also possible to determine that over two-thirds of the students felt well-prepared for the world of work. However, the students wished for more in-depth training in the areas of fixed prosthetics as well as surgery.