Dear Editor, We enjoyed reading the well-illustrated report of 2 cases published by Valkering et al. [6]. They describe 2 patients with persisting anterior ankle impingement after an ankle sprain due to a web-like intra-articular fibrous band. One year after arthroscopic dissection of these bands, both patients were free of complaints. The authors and also others suggest that these transarticular fibrous strands could be induced by the intra-articular accumulation of blood after a trauma [2, 6]. Therefore, they advise that considering the aetiology of these bands, the consequence of observing one should prompt a careful inspection of the ankle joint for additional post-traumatic pathology. However, we have two comments on this article, and the conclusions of the authors should be seen in this light.
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