Kidney Stones, also known as renal calculi, are hard masses that separate urine from the urinary tract. These stones can occur anywhere in the urinary tract, including the kidneys, bladder, ureters and urethra.
This fluid is called the cerebrospinal fluid (CSF). When it leaks out, the pressure around the brain and spinal cord drops. Causes of leakage through the dura include: 1  Certain head, brain, or spinal surgeries.  Head injury.
Email. Print. Spinal meningitis is an infection of the fluid and membranes around the brain and spinal cord. Once infection starts, it can spread rapidly through the body. Without treatment it can cause brain damage in a matter of hours and can be fatal within 24 hours.pinal meningitis is an infection of the fluid and membranes around the brain and spinal cord.