PMC4012245_01
MRI of intra-articular ganglion cyst. (A) Axial T2-weighted image shows a mildly septated T2 hyperintense fluid intensity lesion within or projecting into the superolateral aspect of the knee. (B) Sagittal proton density weighted image shows a slightly elongated fluid intensity area adjacent to or within the upper aspect of the joint space.
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F1
Magnetic resonance imaging (MRI) of the left knee showed a moderate joint effusion with an approximately 1.5 cm diameter loculation slightly offset laterally which corresponded to the patient's knee mass (Figure 1).