Fluid-filled sacs that develop behind the knee are called popliteal cysts . They can be hard to get rid of and come back repeatedly after treatment. They often have thick, twisted roots that go deep. Two doctors from South Korea report on the use of arthroscopy to remove large popliteal cysts. The study included 14 patients with cysts that caused loss of knee motion, pain, and pressure on the nerves. These patients were compared to a control group of eight patients with the same condition who had open surgery instead of arthroscopy. In arthroscopic cyst removal, the doctor inserts a long, slender tool into the fluid-filled sac. A tiny TV camera on the end gives the doctor a good view inside. Fluid is removed from the cyst. Using a small, motorized shaver, the cyst is then shaved away. Doctors are careful to keep the shaver pointed away from nerves and blood vessels. During the operation any flaps, thick bands, or other fibrous membranes are removed. Surgeons check the knee joint for other...
Alternative Names Osteomas; Exostoses; Tumor - ear; Cysts - ear; Ear cysts; Ear tumors Symptoms The symptoms of cysts include: Pain (if cysts are in the outside ear canal or get infected) Small soft skin lumps on, behind, or in front of the ear The symptoms of benign tumors include: Ear discomfort Gradual hearing loss in one ear Note: There may be no symptoms. Signs and tests Benign cysts and tumors are usually discovered during a routine ear examination, which can include hearing tests ( audiometry ) and middle ear testing ( tympanometry ). When looking into the ear, the doctor may see cysts or benign tumors in the ear canal. Sometimes a CT scan is needed. This disease may also affect the results of the following tests: Caloric stimulation Electronystagmography
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...
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