MRI Diagnosis of Pigmented Villonodular Synovitis of Knee Joint
Donglin Wang
Abstract
Donglin Wang
Abstract
Objective To evaluate the value of MRI in diagnosing pigmented villonodular synovitis(PVNS).Methods Total 12 patients of PVNS confirmed by operation and pathology were retrospectively analyzed and summarized.Results The main MRI signs of pigmented villonodular synovitis included irregular and nodular synovial proliferation,low-signal areas consistent with hemosiderin deposition,hydrarthrosis,and well-defined bony crosion.Conclusion lrregular,nodular synovial proliferation and hemosiderin deposition are the two main features of pigmented villonodular synovitis.MRI is the most valuable method for diagnosing PVNS.
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Objective To evaluate the value of MRI in diagnosing pigmented villonodular synovitis(PVNS).Methods Total 12 patients of PVNS confirmed by operation and pathology were retrospectively analyzed and summarized.Results The main MRI signs of pigmented villonodular synovitis included irregular and nodular synovial proliferation,low-signal areas consistent with hemosiderin deposition,hydrarthrosis,and well-defined bony crosion.Conclusion lrregular,nodular synovial proliferation and hemosiderin deposition are the two main features of pigmented villonodular synovitis.MRI is the most valuable method for diagnosing PVNS.
Key concepts: Pigmented villonodular synovitis, Hemosiderin, Medicine, Synovitis, Magnetic resonance imaging, Knee Joint, Pathology, Radiology