Stephen Bird

Hi Xue,

I think I use these words interchangeably.

Ganglion cyst / synovial cyst

I agree this is a synovial cyst / ganglion and given the location and appearance it is almost certainly arising from the proximal tibia-fbular joint. It would indicate some prior injury or underlying degenerative condition of the joint giving rise to the ganglion.

As the cyst is in communication with the joint it may fluctuate in size ( a bit like a Bakers cyst can do in the knee)

Remember in this joint there is a possibility for a ganglion to extend into the articular branch of the common peroneal nerve and become an intramural ganglion.

Not in this case however.


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