Average Diagnostic Medical Sonographer Yearly Salary in Michigan. Diagnostic Medical Sonographers earn a median salary of $59,710 per year. Salaries typically start from $44,870 and go up to $76,190. Learn more about the Diagnostic Medical Sonographer job market for salaries of real jobs in your area.
Synovial cysts are benign, fluid-filled sacs that develop in the facet joints of the lumbar spine as a result of degeneration. If large enough, these sacs can cause spinal stenosis.
Some common causes of cysts are: 1  Tumors. 2  Genetic conditions. 3  Infections. 4  A fault in an organ of a developing embryo. 5  A defect in the cells. 6  Chronic inflammatory conditions. 7  Blockages of ducts in the body which cause a fluid build-up. 8  A parasite. 9  Impact injury that breaks a vessel.