This report presents the case of a 51-year-old woman with intermittent left knee pain, especially during full flexion of the knee, which had been ongoing for 1 year. Magnetic resonance imaging (MRI) showed mild effusion and round mass at the posterior compartment without synovial changes. Computerized tomography (CT) indicated mass had homogeneous low attenuation and density measurement of -99.4±62.3 Hounsfield units (HU), correlated with a lipomatous lesion.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5530166PMC
http://dx.doi.org/10.14744/nci.2016.03016DOI Listing

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