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Doctor insights on: Herniated Intervertebral Disk Compresses A Spinal Nerve Root

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What condition occurs when a herniated intervertebral disk compresses a spinal nerve root?

What condition occurs when a herniated intervertebral disk compresses a spinal nerve root?

Radiculopathy: Usually symptoms of pain, numbness, or weakness along the distribution of the nerve being compressed; if it is in the neck it goes into the arm, in the back it travels into the leg. ...Read more

Dr. Sheila Smith
350 Doctors shared insights

Spinal Disc (Definition)

Spinal discs are located between the vertebrae (blocks of bone) of the spine (expect the upper 2). They act like shock absorbers and are also important in allowing our spines to be flexible. They have a tough outer rim made of strong fibers and a fleshier shock-absorbing tissue in the center. These "shocks" can wear out with routine life activities, age and injuries. They can ...Read more


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What tests are needed for spinal nerve root damage/injuries? Damage in neck affecting both hands/arms, but left more than rt. Is this a spinal cord inj?

What tests are needed for spinal nerve root damage/injuries? Damage in neck affecting both hands/arms, but left more than rt. Is this a spinal cord inj?

MRI: You likely will need a MRI of the neck spine after an initial evaluation with your doctor. Sometimes, a nerve conduction test may also be needed if the mri is not conclusive. ...Read more

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Conjoined l5/s1 nerve root on rt side after spinal fusion. Scarring in the spinal canal at l4-5 especially on the rt side intervertebral foramen?

Conjoined l5/s1 nerve root on rt side after spinal fusion. Scarring in the spinal canal at l4-5 especially on the rt side intervertebral foramen?

Conjoined nerve root: A conjoined nerve root is a congenital condition. It cannot be acquired from surgery. It does make surgery more difficult and the patient may be more prone to radiculopathy or nerve root problems. The larger nerve root sleeve that contains to spinal nerve roots is more easily injured. ...Read more

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What will happen if an injury cuts the dorsal root of a spinal nerve that carries feelings of pain?

What will happen if an injury cuts the dorsal root of a spinal nerve that carries feelings of pain?

Numbness: The dorsal (posterior, toward the back) root carries sensation nerve fibers: feeling of light touch, vibration, sense of position (movement or where the arm or leg or joint is), pain. However, there is much overlap between the area serves by a single nerve, so there may not be total loss of sensation, depending on how the person is "wired.". ...Read more

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If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?

If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?

Atrophy or wasting.: When a muscle is denervated, it atrophies or 'shrivels up'. This is why patients who had polio have small paralyzed limbs in the effected distribution. ...Read more

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Can you tell me where the nerve root exits the spinal canal?

Yes: Through small side openings on either side of the spinal canal called foramen--2 at every level of the spine--right and left. ...Read more

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What would happen if there was a destruction of the spinal nerve's dorsal root ganglion?

What would happen if there was a destruction of the spinal nerve's dorsal root ganglion?

Loss of sensation: Destruction of the dorsal root ganglion would interrupt the sensory pathway of that particular nerve - therefore, one would be expected to have numbness in the distribution of that spinal nerve. ...Read more

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Can you tell me the function of the dorsal root of the spinal nerve?

Can you tell me the function of the dorsal root of the spinal nerve?

Lets you feel things: The nerve root has 2 "ganglions". The dorsal root is on the posterior side of the nerve (closer to your back) and carries the fibers that allow you to feel things in your extremities (for example: pain, temperature, vibration). The information is transmitted to your brain so you understand what type of sensation is being encountered by the extremity. ...Read more

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If ventral root of a spinal nerve were cut what will be the result in the tissure?

If ventral root of a spinal nerve were cut what will be the result in the tissure?

Motor loss: The ventral root of the spinal nerve carries the motor fibers, where the dorsal root carries the sensory fibers. So if the ventral root of a nerve was cut, a motor loss would occur; i.e. Either severe weakness or paralysis in the involved muscle. Thank you. ...Read more

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What specific imaging test takes pics of the nerves coming out of (exiting) the spinal cord? I believe their called spinal nerve roots, not sure.

What specific imaging test takes pics of the nerves coming out of (exiting) the spinal cord? I believe their called spinal nerve roots, not sure.

MRI (best) or CT: An MRI of the spine is the most accurate imaging test to evaluate the spinal cord and the nerve roots exiting the spinal canal. This is most often done without an injection of contrast, however there may be an indication for you to receive an injection of contrast with the MRI. As a Neuroradiologist I often discuss with and advise the referring physician regarding the need for contrast. ...Read more

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What does it mean to have inflammation of the root of a spinal nerve?

Problem xitng spine: Nerves branch off in bundles from the spinal cord & exit thru an opening between the vertebrae. This is the nerve root. The opening itself is subject to narrowing or irritation from arthritis or various illnesses as are the tissues nearby. Nerve bundles are surrounded bu flexable tissue that can be compressed by the swelling nearby and end up choking off some of the nerve activity. ...Read more

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What's the inflammation of the root of a spinal nerve called?

What's the inflammation of the root of a spinal nerve called?

Radiculitis.: Radiculitis refers to inflammation of the nerve root. A more general term for any problem with spinal nerve roots (including compression) is radiculopathy. ...Read more

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My mom's MRI report: "stenosis of left c6/7 intervertebral foramen due to a disc fragment causing compression of left C7 nerve root." is this serious?

My mom's MRI report: "stenosis of left c6/7 intervertebral foramen due to a disc fragment causing compression of left C7 nerve root." is this serious?

Depends - but can be: Serious is relative - but she should definitely see a neurologist and have a thorough neurologic exam. Hopefully the report says whether it's mild, moderate, or severe. Metismd can help if you need a second opinion... ...Read more

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Would a spinal tap feel like a nerve root block, facet joint injections or more uncomfortable?

Would a spinal tap feel like a nerve root block, facet joint injections or more uncomfortable?

Discomfort with LP: Depends on lots of things (mostly technique I have found) Often patients ask if it will hurt as I am finishing the procedure!! (they felt absolutely no pain at all) ...Read more

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What is the inflammation of the root of a spinal nerve?

What is the inflammation of the root of a spinal nerve?

see below: A spinal nerve (root) is a large nerve bundle that leaves the spine at regular intervals, right and left. Inflammation can occur anywhere in the body. Think of a bee sting, with pain, swelling and sensitivity. Inflammation of the nerve root, causes pain close to the spine, and along the route of the nerve. Epidural steroid injections are sometimes used to place anti-inflammatories into the spine. ...Read more

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What happens if the ventral root of the spinal nerve is cut?

What happens if the ventral root of the spinal nerve is cut?

Weakness or paralysi: The ventral root contains the motor fibers which control our muscles. Because muscles have multiple nerve roots innervating them the result may only be weakness in a particular group of muscles or could be paralysis if the particular nerve root is the dominant root. ...Read more

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What happens if the dorsal root of a spinal nerve is damaged?

What happens if the dorsal root of a spinal nerve is damaged?

It may create: Neuropathic pain as this is in the vicinity of the dorsal root ganglion and may affect that nerve's functional distribution as well depending on what type of overlap or cross innervation that may be in that individual. ...Read more

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Tissue compresses the descending left s1 nerve root within the lateral recess against the l5/s1 facet joint. What does this mean?

Means the Lt S1 nerv: E is pinched between some tissue and the bone behind the nerve root. Most likely cause is a Bulging or herniated disc causing this.
See your Local Spine surgeon who can examine you and co-relate your clinical and MRI findings for you and chalk a plan of care for you.
Good luck. ...Read more

Nerve (Definition)

The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more


Compresses (Definition)

Warm compresses can increase milk flow and cold ...Read more