Abstract
The purpose of this study was to determine the area of the talus that can be reached through combined anterior and posterior arthrotomy without medial malleolar osteotomy. Five fresh-frozen cadaver foot-ankle specimens were examined using posteromedial approach and anteromedial approach. We calculated the size of the marked area beginning from the posteromedial corner of the talus in the posteromedial approach and beginning from the anteromedial corner in the anteromedial approach. From the posteromedial talus, we can access 33% of the talus’ AP length and 30% of its medial to lateral length through a posteromedial approach. From the anteromedial arthrotomy, 50% of the AP length and 31% of the medial to lateral length can be reached. This leaves approximately 20% that is not accessible. If the osteochondral lesion is within the accessible area through either a posteromedial or anteromedial approach as viewed on MRI/CT, it can be safely reached without a medial malleolar osteotomy.
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Young, K.W., Deland, J.T., Lee, K.T. et al. Medial approaches to osteochondral lesion of the talus without medial malleolar osteotomy. Knee Surg Sports Traumatol Arthrosc 18, 634–637 (2010). https://doi.org/10.1007/s00167-009-1019-2
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DOI: https://doi.org/10.1007/s00167-009-1019-2