Abstract
MRI is a reliable modality to evaluate the size, grade and location of osteochondral lesions. Thus, it is an important aid in surgical planning and in follow-ups. It assesses the condition of the overlying articular cartilage, the congruity of the articular surfaces, the viability of the bone fragment, the stability or degree of healing between the osteochondral fragment and the donor site and the location of the osteochondral fragment if it has become displaced within the joint space.
MRI showed excellent results when compared to arthroscopic evaluation and CT scan. Due to the remarkable reliability of this diagnostic modality, many classifications for osteochondral lesions are currently using MRI findings to stage the defects. Nowadays the best MRI sequence is still a matter of debate, with new advancements gaining more and more popularity.
MRI is one of the diagnostic modalities of choice in patients with clinical suspicions of osteochondral lesions with negative plain radiographs. MR is an important tool for the follow-up of patients that underwent to different kind of surgical treatments with particular regards on new modality of cartilage reconstruction.
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Giannini, S., Spinnato, P., Vannini, F. (2015). MRI in the Evaluation of Osteochondral Lesion. In: Canata, G., van Dijk, C. (eds) Cartilage Lesions of the Ankle. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46332-1_1
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