PhD Kaj Lambers

The general focus of this thesis lies on ankle injuries that are not always or not yet visible on regular post-injury radiographs, namely (osteo)chondral defects (OCDs) of the talus. In up to 85% of patients with a talar OCD, a history of trauma is described. They can occur after a single ankle strain or as a result of repeated trauma. Patients are often young and active. For this thesis we look at the outcome of a new operative technique (Lift-Drill-Fill-Fix), a radiographic innovative technique (3D ultrasound) in the post-operative follow up period, and long term outcome and sport activity after bone marrow stimulation.