Iatrogenic pseudomeningocele is a common complication of cranial surgeries.
Pseudomeningocele may result after brain surgery, spine surgery, or brachial plexus avulsion injury, (preganglionic injury).
Pseudomeningocele as unintended “incidental” durotomy: 0.7–2% 1) (may appear similar radiographically to a spinal epidural abscess (SEA), but post-op SEA often enhances, is more irregular, and is associated with muscle edema).
Pseudomeningocele is a cause of Failed back surgery syndrome.