pvns
A 32-year-old woman presents with 18 months of progressive left knee swelling and intermittent locking. She denies trauma. Examination reveals a moderate effusion with limited flexion. Aspiration yields 40mL of dark brown, hemorrhagic fluid. MRI shows diffuse synovial thickening with nodular areas demonstrating low signal intensity on both T1 and T2 weighted sequences, described as a "blooming artifact" on gradient echo sequences. **What is the MOST likely diagnosis?**
Mark each as TRUE or FALSE
Rheumatoid arthritis with hemarthrosis
Synovial chondromatosis
Diffuse pigmented villonodular synovitis (PVNS)
Synovial sarcoma
Hemophilic arthropathy
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Click T (True) or F (False) for each option