Value of MR imaging in staging osteochondral lesions of the talus (osteochondritis dissecans): results in 14 patients.

摘要: Osteochondral lesions (osteochondritis dissecans) of the talus are common articular that usually traumatic in origin. Clinical management these is based on whether or not fragments attached. We studied value MR imaging determining stability osteochondral fragments. In 13 14 patients who had correlative surgery, we accurately predicted presence and extent attachment fragment to by performing preoperative imaging. The other patient a false-positive diagnosis chondral fragment. All seven partially attached an irregular high-signal zone T2-weighted images at fragment/talar interface. four unattached complete ring fluid surrounding lesion. On basis findings, think ankle can be used assess talar lesion aid clinical decision making.