Definition Baker's cyst is a buildup of joint fluid (synovial fluid) that forms behind the knee. Alternative Names Popliteal cyst; Bulge-knee Causes, incidence, and risk factors A Baker's cyst is caused by swelling in the knee. The swelling is due to an increase in synovial fluid - the fluid that lubricates the knee joint. When pressure builds up, fluid bulges into the back of the knee. Baker's cyst commonly occurs with: A tear in the meniscal cartilage of the knee Knee arthritis (in older adults) Rheumatoid arthritis Other knee problems
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
What are ovarian cysts? Cysts are fluid filled sacs which can develop anywhere on the body. There are several different types of ovarian cysts:
Functional cyst - These form during the normal menstrual cycle. A sac containing eggs forms and usually breaks open to release the egg and the sac dissolves. Sometimes, the sac doesn’t break open and continues to grow, this is called a follicular cyst. It usually disappears in 30 to 90 days. Another type of functional cyst is called corpus luteum and it is when the sac doesn’t dissolve right away. This usually disappears on its own in a few weeks.
Endometriomas - This type of cyst can develop in women who have endometriosis . Tissue from the lining of the uterus grows outside the uterus and if it attaches to the ovary it can cause an cyst.
Cystadenomas - This type of cyst forms from the outer cells of the ovary.
Dermoid cysts - Cells in the ovary which develop hair, teeth or other tissue during pregnancy can become part of an ovari...
You should knowAnswers to your question are meant to provide general health information but should not replace medical advice you receive from a doctor. No answers should be viewed as a diagnosis or recommended treatment for a condition. Content posted by community members does not necessarily reflect the views of Remedy Health Media, which also reserves the right to remove material deemed inappropriate.