|Poll|October 2, 2014

Image IQ: 11-year old Female with Bilateral Knee Swelling

An 11-year-old female presents with persistent chronic swelling of the right greater than left knees and stiffness limiting mobility.

An 11-year-old female presents with persistent chronic swelling of the right greater than left knees and stiffness limiting mobility. Knee radiographs are unremarkable. Representative images from bilateral knee MRI were obtained.

Click on the images to enlarge.

What's your diagnosis?

Amyloid
Synovial chondromatosis
Pigmented villonodular synovitis
Synovial hemangioma

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