Ganglion cysts used to be treated by slamming them with a heavy book such as a Bible - which explains the term 'Bible therapy'. Needle aspiration (a fine needle is used to draw off fluid, which is then examined in a laboratory).Ganglion cysts are diagnosed using a number of tests including: If your ganglion cyst is painful, or if it interferes with your mobility or causes sensations of numbness or pins and needles, see your doctor. However, it is always best to consult your doctor to make sure the lump isn't a symptom of some other disease. Small tears in the tendon membrane or joint capsule allow the contents to squeeze out.Īround 30 to 50 per cent of ganglion cysts disappear by themselves without the need for medical treatment.
The body responds to injury, trauma or overuse by forming an internal 'blister'.No one knows what causes a ganglion cyst to form. Other sites include the back of the knee (Bakers cyst), ankle, foot, palm and fingers.The back of the hands and wrists are most commonly affected.The affected tendon may cause a sensation of muscular weakness.The ache and pain is made worse by moving any nearby joints.In some cases, the lump is painful and aching, particularly those at the base of fingers.The lump is able to change its size, including going away completely only to return.However, it is best to consult your doctor to make sure the swelling is not a symptom of some other type of illness. Around one third to one half of ganglion cysts disappear on their own without the need for medical treatment. Depending on the individual, there may be just one large lump or a collection of many smaller ones attached to a single 'stalk' deeper in the tissue. A ganglion cyst is the most common lump on the hand, and tends to target women between the ages of 20 and 40 years of age, for reasons unknown.Īs tendons anchor muscle to bone, a ganglion cyst on a tendon may cause muscle weakness. The backs of the hands and wrists are most commonly affected, but ganglion cysts can sometimes grow on the feet, knees and ankles. A ganglion cyst is a benign (non-cancerous) ball of fluid that grows on the membrane or sheath that covers these tendons and joints. Tendons and joints have a covering of membrane that produces a lubricating fluid to assist their function. A tendon is a tough band of connective tissue that joins muscle to bone.
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