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Doctor insights on: What Are The Differences Between Conus Medullaris Injury And Cauda Equina Injury

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Dr. Stan Lee Dr. Lee
3 doctors agreed:
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What are the differences between conus medullaris injury and cauda equina injury?

Dr. Stan Lee Dr. Lee
3 doctors agreed:
What are the differences between conus medullaris injury and cauda equina injury?

Anatomy: A conus injury is an injury to the tip of spinal cord. A cauda equina syndrome is injury to the collection of nerve roots below the spinal cord. Both can affect bowel and bladder function. ...Read more

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Dr. Behnam Myers
128 doctors shared insights

Cauda Equina (Definition)

Spinal cord ends at upper lumbar spine (l1-2 level) and become a bundle of nerve roots, which look like horse tail. It passes bony tube inside the lumbar vertebrae while sending out nerve roots at each spine levels. You can easily visualize the anatomy on-line if ...Read more


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What is the difference between the injuries experienced at the conus medularis and cauda equina?

What is the difference between the injuries experienced at the conus medularis and cauda equina?

cauda vs conus: The conus is still part of the spinal cord, and an injury here could cause weakness, numbness, or bowel/bladder/sexual problems. Upper motor neuron problems occur (brisk reflexes, etc). The cauda equina is the bundle of nerves that the spinal cord terminates as. Problems here could cause similar symptoms, but lower motor neuron findings on exam. ...Read more

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What is the difference between hypotonia and spasticity in spinal chord injury?

What is the difference between hypotonia and spasticity in spinal chord injury?

Muscle tone: Hypotonia is related to a muscle being too "relaxed" and spacticity means that a muscle is too "tight" and spasmodic. After a spinal cord injury the brain can no longer control in a perfect and efficient way the signals it gives to the nerves. Those nerves that eventually reach the various muscles and give too many or too few "commands". The muscles become too "tight" or too "relaxed". ...Read more

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What is the difference between spinal cord compression & spinal stenosis? Can you have one without the either?

What is the difference between spinal cord compression & spinal stenosis? Can you have one without the either?

Spinal stenosis is: an abnormal narrowing of the spinal canal,usually due to degenerative arthritic. Since the cord runs through the canal, spinal stenosis can cause compression of the cord. But, anything that can press on the cord can cause cord compression, for example, tumor, disc herniation, displaced fracture, hematoma, and instability can also cause cord compression. You don't need stenosis to have compression ...Read more

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What are the usual symptoms of sciatic nerve injuries?

What are the usual symptoms of sciatic nerve injuries?

Variable: Sciatica refers to pain, weakness, numbness, or tingling in the leg. It is caused by injury to or pressure on the sciatic nerve. Sciatica is a symptom of another medical problem, not a medical condition on its own. Sciatica pain can vary widely. It may feel like a mild tingling, dull ache, or a burning sensation. In some cases, the pain is severe enough to make a person unable to move. ...Read more

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What are the symptoms and signs of the upper motor neuron lesion (cortex, internal capsule, brainstem, spinal cord) ?

What are the symptoms and signs of the upper motor neuron lesion (cortex, internal capsule, brainstem, spinal cord) ?

Variable, but: Typical results of a stroke affecting brainstem and rostral structures, could see focal weakness over unilateral arm and leg, with possible problem with speech. Spinal cord smaller area and maybe both legs and less commonly unilateral arm and leg. ...Read more

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What is the main difference between cord edema and cord compression?

What is the main difference between cord edema and cord compression?

Cord edema: Cord compression can be relieved cord, edema is often caused by compression of the cord but some conditions cause cord edema without compression MS cord edema implies neural injury to the cord is a late sign some cervical cord compression occurs so slowly that no edema develops hope this helps! ...Read more

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So what are the symptoms of brachial plexus injuries?

So what are the symptoms of brachial plexus injuries?

Many: Weakness of the arm or hand, numbness, tingling, pain in the arm, burning sensation in the arm or hand, paralysis of the arm or hand, atrophy of the muscles of the arm or hand, and many others. ...Read more

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What is the difference between lumbar radiculopathy and lumbosacral spondylosis?

What is the difference between lumbar radiculopathy and lumbosacral spondylosis?

See below: Spondylosis refers the development or degenerative changes in the spine, whereas radiculopathy infers the irritation of a nerve in the back. Spondylosis can lead to a radiculopathy, but there are also other causes of a radiculopathy other than Spondylosis as well. ...Read more

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What are the major symptoms following a spinal cord injury?

What are the major symptoms following a spinal cord injury?

Depends: This depends on the level of injury and the extent of damage to the spinal cord. One can be classified with a spinal cord injury with only minimal weakness. Many think spinal cord injury equals paralysis. This is not the case. Many will have varying level of weakness, sensory loss and even bowel or bladder incontinence. The major symptoms are often weakness and sensory loss. ...Read more

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What are the symptoms following spinal cord injury?

Numbness, paralysis: Spinal cord injury affects the function of things below the site of the injury. There is a direct relationship between the spot on the cord damaged and changes below that point. So, the higher up the injury, the more damage is noted. This can be leg numbness or paralysis, the same for arms and if the neck is involved, breathing may be affected. ...Read more

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Mri reads:6mm intradural extramedullary lesion on the dorsal aspect of the conus at t1 level. Is this the cause of l leg tightness/severe spasms?

Mri reads:6mm intradural extramedullary lesion on the dorsal aspect of the conus at t1 level. Is this the cause of l leg tightness/severe spasms?

possibly: This is an abnormality that can cause compression of your spinal cord or nerves. This can cause muscle spasms and tightness. Ths should be evaluated by a spine specialist. ...Read more

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Are "spine surgery" and spinal cord injury medicine basically the same?

Are "spine surgery" and spinal cord injury medicine basically the same?

Spinal Cord Injury: Spinal cord injury (SCI) medicine includes treatment of conditions associated with SCI including spasticity, bowel and bladder issues, pain, and loss of function. Specialists in this area are certified in Physical Medicine & Rehabilitation and may have subspecialty certification in Spinal Cord Injury Medicine. The Spine Surgeon performs surgery to address spinal instability caused by fracture. ...Read more

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What are the symptoms for "acquired(b/c of herniation) congenital lateral recess stenosis" for exiting s1 nerve?

Several: Focal low back pain that radiates down the leg to the sole of the foot, and is worsened by straining, coughing, sneezing, and may awaken at nite. The foot may feel numb, and you may have problems with foot strength on downward flexing of the foot. You will likely lose the ankle jerk reflex on that side. Easiest to get examined by your doctor, and decide treatment approach. ...Read more

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Whats the difference between spinal retrolistheses and dislocation?

Whats the difference between spinal retrolistheses and dislocation?

Degree: A retrolisthesis refers to a usually mild posterior positioning when comparing one vertebrae with the vertebrae above or below it. A dislocation is a much more severe condition and in the spine requires a major trauma to occur. In a dislocation, all contact between the two bones on each side of the joint has been lost: for example a humerus that completely comes out of the shoulder is dislocated. ...Read more

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I was wondering what are the neurologocal defects associated with spinal cord injury?

I was wondering what are the neurologocal defects associated with spinal cord injury?

Variable: It can range from simple tingling to complete numbness and weakness as well as loss of bowel and bladder function. Basically you cannot move that part of the body below the spinal cord injury. ...Read more

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What are the major differences between paraplegia and quadriplegia?

What are the major differences between paraplegia and quadriplegia?

Arm function: Paraplegia is paralysis of the legs (no movement or feeling). Tetraplegia (quadriplegia is an older term) is paralysis of the arms and the legs. In both, a person has also lost control of bladder and bowels. Both are forms of spinal cord injury or other problem of the cord. Sometimes the loss is incomplete (weakness rather than no muscle function; retention of some feeling). ...Read more

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Injuries (Definition)

An injury, of any severity, is a condition in which a person has damage to any part of his body. Examples of major injuries include gunshot wounds, knife wounds, large burns, severed ...Read more


Dr. Behnam Myers
142 doctors shared insights

Cauda Equina Syndrome (Definition)

A rare disorder affecting the bundle of nerve roots (cauda equina) at the lower (lumbar) end of the spinal cord. It ...Read more