History of corticosteroid injection around the knee
Previous knee surgery
A Baker cyst may cause:
Rounded swelling behind the knee that may get bigger with activity
Pain or pressure in the back of the knee joint—may travel to the calf muscle
Aching or tenderness after exercise and bending the knee
Your doctor will ask about your symptoms and medical history. A physical exam will be done. The doctor will look for a soft mass in the back of the knee. The range of motion in both knees will be tested and compared. The doctor may also shine a special light through the cyst. This will show that the cyst is filled with fluid and not solid.
Images of the knee occasionally needed to look for the cause and extent of the cyst . Images may be taken with:
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