MR Imaging of Intra- and Periarticular Cyst-Like Lesions of the Knee Joint in Workers with Occupational Kneeling

<table>Multiple cysts within the popliteus muscle. Sagittal proton fat-saturated MR image of the right knee without effusion or synovitis in a 56-year-old male floor layer. The lesions represent an abnormal extension of the popliteus tendon synovial recess.</table>

International Journal of Rheumatology

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Figure 5

Figure 5: MR Imaging of Intra- and Periarticular Cyst-Like Lesions of the Knee Joint in Workers with Occupational Kneeling 