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Figure 1 | BMC Musculoskeletal Disorders

Figure 1

From: Prevalence of MRI-detected mediopatellar plica in subjects with knee pain and the association with MRI-detected patellofemoral cartilage damage and bone marrow lesions: data from the Joints On Glucosamine study

Figure 1

MRI classification scheme of mediopatellar plicae modified from the Sakakibara arthroscopic classification. (A) Type A lesion in the left knee consisting of a cord-like elevation in the synovial wall; (B) Type B lesion in the left knee, which has a shelf-like appearance but does not cover the anterior surface of the medial trochlea; (C) Type C lesion in the left knee, which has a large shelf-like appearance and covers the anterior surface of the medial trochlea.

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