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Ganglionic cysts are fluid-filled masses that can
arise from either a joint or tendon sheath. Essentially, the mass is filled with joint fluid. As a result, depending on
activity level, the mass can fluctuate in size and shape. In time, the mass can grow following a path of least resistance
which often makes finding the source of the fluid difficult.
MRI's are critical for pre-operative planning. Too many
surgeons underestimate ganglions, thus why there is such a high re-occurrence rate.
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Common site in the foot. Mass arises off the peroneus tertius or extensor tendon sheath.
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The mass is superficial while the nerve is in the upper portion of the incision, thus explaining
why the mass hurts
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Ideally, you always receive higher style points when you can get the mass out without busting it
open. You can see the bifurcate ligament.
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This mass is multi-lobulated and likely is arising from the subtalar joint
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As the MRI shows, the cyst is coming from the subtalar joint.
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This ganglion was coming off the peroneal tendon sheath
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This was a keeper, over 10cm long. Major style points rewarded for pulling it out intact!
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Intra-tendinous mass of the peroneus longus tendon
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