Presentation
Knee pain.
Patient Data
Age: 50 years
Gender: Female
From the case:
Localized pigmented villonodular synovitis - knee
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A nodular synovial proliferation in the superolateral aspect of the Hoffa's fat pad. The lesion is hypointense on T1WI and hyperintense on PD fat suppression with some foci of low signal in both sequences.
Case Discussion
Localized pigmented villonodular synovitis (PVNS) represents a nodular hypertrophic process that originates from a small area of the synovium with pigmentation from hemosiderin.
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