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Doctor insights on: Nerve Roots

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What is the significance of MRI findings of amount of fat surrounding exiting nerve roots of spine?

What is the significance of MRI findings of amount of fat surrounding exiting nerve roots of spine?

Nerve fat: Each nerve has a ring of protective fat around it on MRI this seen as a bright signal so a ring of brightness around a nerve is normal and good to little fat around the nerve implies crowding or pressure contact of something other than fat like bone or disc. Ouch. ...Read more

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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


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Lv3-lv4 and lv4-lv5 intervertebral disc levels causing narrowing of both lateral recesses along with compression of exiting of nerve roots.

Lv3-lv4 and lv4-lv5 intervertebral disc levels causing narrowing of both lateral recesses along with compression of exiting of nerve roots.

See spine specialist: I would get an evaluation from a spine surgeon, either orthopaedic or neurosurgeon. They can evaluate you properly and treat you with either therapy, epidural injections or other surgical procedures. Treatment of a back problem before it gets too bad is a prudent idea. ...Read more

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Does the entire bundle of nerve roots need to be compressed for it to be cauda equina syndrome or can a person have same symptoms with one nerve?

Usually not: Typically the diagnosis of caudal equina syndrome is made when multiple nerves going to the pelvic and leg regions are pinched/compressed. If only one nerve is pinched the diagnostic term used is different. ...Read more

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Can damage to nerve roots at L4-L5 cause the calf to become swollen/inflamed?

Can damage to nerve roots at L4-L5 cause the calf to become swollen/inflamed?

Unlikely: It is unlikely that nerve root damage would cause swelling in the calf. However, if you have a swollen calf you need to see your doctor immediately or go to an urgent care to make sure you do not have a blood clot in that leg. ...Read more

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How long can spinal stenosis n ruptured discs press on nerve roots before causing permanent damage?

How long can spinal stenosis n ruptured discs press on nerve roots before causing permanent damage?

Depends: Intense pressure can damage nerves instantly. Permanent damage may result if the nerves are not decompressed on time. Often, even large disc herniations may occur without any neuro damage to speak of. Ask your local neurosurgeon for an evaluation to discern if any nerves are at risk here. ...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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Scar tissue had encased my s1 s2 (racepinephrine) nerve roots what to do?

Scar tissue had encased my s1 s2 (racepinephrine) nerve roots what to do?

Avoid surgery!!: Presume you have had a lumbar laminectomy, which eventuated in post-operative scarring. Would avoid further invasive procedures as arachnoiditis can get worse. Instead, why not get involved in aggressive physical therapy, dovetailing into a fitness program with a personal trainer. Fitness will help far more than all our medical regimens. ?Pain specialist? ...Read more

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I have effacement of nearly all CSF around nerve roots in my spine. Should i still be doing my heavy manual job.

I have effacement of nearly all CSF around nerve roots in my spine. Should i still be doing my heavy manual job.

Depends: Spinal stenosis is a condition in which there is narrowing of the spinal canal leading to, as you put it, "effacement of the CSF around the nerve roots in my spine." it is not a dangerous condition and its presentation is quite variable. In general, patients occupation activity level should be such that it does not repetitively cause pain, regardless of what their MRI shows. Thank you. ...Read more

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What is facet hypertrophy l Flatten the ventral thecal sac and encroach upon the lateral recesses abutment of the traversing nerve roots?

What is facet hypertrophy l
Flatten the ventral thecal sac and encroach upon the lateral recesses abutment of the traversing nerve roots?

Pain and weakness: can result from compression of the nerves that exit at the level of the narrowing caused by bony overgrowth of the facets (the area where the vertebral bones meet) In the lumbar region the nerves exit at a higher level and "traverse" the space next to the facets below this before they exit the spinal canal at a lower level. Discuss this with your doctor. ...Read more

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L5-s1 shows annular tear and a central protrusion touching both s1 roots and thecal sac.No effacement or deformity. Nerve roots exit normally.

Your question is?: If the disc is worsening and causing weakness, muscular atrophy and/or numbness, and especially if initiation of urination is troublesome, need to have a spinal surgeon involved. Otherwise, conservative therapies may be successful. An EMG test may determine extent of nerve damage at this point and act as a baseline. ...Read more