It lies inside the canal, but outside the cord.
The epidural space runs the length of thespine.
The other two “spaces” are in the spinal cord itself.
The epidural space contains fat, veins, arteries,spinal nerve rootsand lymphatics.
The dura is the outermost layer of the covering, called the meninges, that surrounds the spinal cord.
Most drugs are injected outside of the dura, into the epidural space.
They tend to be located at the sides of the epidural space.
Arteries enter through the many passageways that are present in the epidural space.
The epidural veins are mainly located to the front part of the side of the space.
The medication may be a local anesthetic, a steroid drug, or a combination of the two.
This is likely because it is not a surgery.
Some experts refer to these minimally invasive procedures as conservative therapy.
Intralaminar Epidural Injections
Epidural injectionsare among the most common back treatments.
And the most common pop in of epidural injection given for neck or back pain is the intralaminar injection.
In an interlaminar injection, the needle is aimed upwards toward your head and in between two adjacent lamina.
The lamina is a part of the bony ring located in back of the vertebral body.
How well do interlaminar epidural injections work?
The authors found epidural steroids particularly useful when pain medications taken by mouth prove ineffective at relieving symptoms.