The authors of this study attempted to find out how many people develop ganglion cysts in their leg. A ganglion cyst forms when fluid builds up inside the lining of a joint. The joint studied by these authors is the upper tibiofibular joint, which sits on the outer edge the knee. It is the upper connecting point of the thin fibula bone that runs down the lower leg next to the larger shin bone, the tibia. Prevalence is the term for how many people in a given place have this condition if we counted today. These researchers found that the prevalence of tibiofibular joint ganglion cysts in patients sent to an orthopedic doctor for a knee MRI is less than one percent. How can these details be found? Doctors who take the time to review MRIs gather this information. In fact, this study is the first to report prevalence of tibiofibular ganglion cysts. Only a few other studies have described the cysts. The authors of this study reviewed 654 knee-MRI scans over a six-month period of time. A tota...
Definition A cyst is a closed pocket or pouch of tissue. It can be filled with air, fluid, pus, or other material. Considerations Cysts may form within any tissue in the body. Cysts within the lung generally are air-filled, while cysts involving the lymph system or kidneys are fluid-filled. Certain parasites, such as trichinosis , dog tapeworm ( Toxocara canis ), and echinococcus , can form cysts within the muscles, liver, brain, lungs, and eyes. Cysts are common on the skin. They develop as a result of infection, clogging of sebaceous glands (acne-related cysts), or around a foreign object stuck in the skin. See also: Pilonidal dimple Common Causes
Risk Factors Uterine fibroids are the most common tumor found in female reproductive organs. Age Fibroids are most common in women who are their 30s through early 50s. (After menopause, fibroids tend to shrink.) About 20 - 40% of women age 35 and older have fibroids of significant enough size to cause symptoms. Race and Ethnicity Uterine fibroids are particularly common in African-American women, and these women tend to develop them at a younger age than white women. Family History Family history, (having a mother or sister who had fibroids), may increase risk. Other Possible Risk Factors Obesity and high blood pressure may possibly be associated with increased fibroid risk
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