DEAR MAYO CLINIC: I had two synovial cysts removed from lumbar four and five in my lower back. They have since grown back and more are forming. What are my treatment options? Synovium is the name of ...

Dear Dr. Roach: I had a synovial cyst removed from my spine at the L4-L5 (lower back) in 2008. Ever since that surgery, I wake up in the middle of the night with numbness and tingling in either one or ...

Q: One of my relatives has had lower-back pain, and they diagnosed her with a synovial cyst. They tried to put a needle in it to take out the fluid, and now they want to do surgery. What is this ...

A 39-year-old female with an intraspinal extradural arachnoid cyst of the lumbar spine presented with intermittent radiating lumbar pain. The magnetic resonance imaging (MRI) showed a dorsal spinal ...