Presentation
Known case of pigmented villonodular synovitis. Referred for radiograph and knee ultrasound.
Patient Data
Age: about 45 yrs
Gender: Female
From the case:
Pigmented villonodular synovitis- ultrasound
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Radiographs : Joint space reduction, dense soft tissue shadow involving joint.
From the case:
Pigmented villonodular synovitis- ultrasound
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Ultrasound : Hypoechoic well-defined masses with vascularity in suprapatellar - infrapatellar region, along medial - lateral joint lines, posterior aspect of knee . Herniation of synovial proliferation through previous arthroscopy port sites - both sides of patella.