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Normally, joints and tendons are lubricated by a special liquid which is
sealed in a small compartment. Sometimes, because of arthritis, an injury,
or just for no good reason, a leak occurs from the compartment. Now, the
liquid is thick, like honey, and if the hole is small, it can be like having
a pinhole in a tube of toothpaste - when you squeeze the tube, even though
the hole is small and the toothpaste is thick, it will leak out - and once
it is out, there is no way it can go back in on its own. It works almost
like a one way valve, and fills up a little balloon next to the area of
the leak. When we use our hands for normal activities, our joints squeeze
and create a tremendous pressure in the lubricating compartment - this
can pump up a balloon leak with so much pressure that it feels as hard
as a bone.
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The lubricating liquid has special proteins dissolved in it which make
it thick and also make it hard for the body to absorb it when it has leaked
out. The body tries to absorb the liquid, but may only be able to draw
out the water, making it even more thick. Usually, by the time the lump
is big enough to see, the liquid has gotten to be as thick as jelly.
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Common sites for ganglions are:
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The wrist - on the back ("dorsal wrist ganglion"), on the front ("volar
wrist ganglion"), or sometimes on the thumb side. These come from one of
the wrist joints, sometimes aggravated by a wrist sprain.
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The palm at the base of the finger ("flexor tendon sheath cyst"). These
come from the tube which holds the finger tendons in place, and are often
due to tendon irritation - tendinitis.
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The back of the end joint of the finger ("mucous cyst"), next to the base
of the fingernail. These can cause a groove in the fingernail, or rarely
can become infected and lead to a joint infection. These are usually due
to some arthritis or bone spurs in the joint.
source: http://www.eatonhand.com/hw/hw013.htm |
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4 cOmment{s}:
pergilah check kat hospital cnoor. if makin melarat, mcm mana? :(
haruslah pergi hospital cik adik. a fried of mine will undergo minor surgery next wed because of this ganglion. dekat bahagian ankle. huhu.
@soleil m plan nk g hospital gak. after convo perhaps?? huhu
@Hidayah Surea seriously?? huhu. tkt dgr. ye long. plan nak g hsptl gak nie. but x now.hehe :)
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thanks ◕‿◕✿