A member asked:

What would cause a cyst to form under my knee cap?is there any help for nerve pain one year after total knee replacement?

A doctor has provided 1 answer
Dr. David Fisher answered

Specializes in Orthopedic Surgery

Arthritis: A cyst under the patella (kneecap) will often develop as a result of articular cartilage degeneration which can occur with arthritis or other conditions that lead to damage of the cartilage. These can be found in any joint. The cyst is a fluid filled cavity that will often connect with the joint at the area of cartilage damage. If the cyst has occurred after tka it is likely something else.

Answered 2/16/2020

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