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A 45-year-old member asked:

How does a herniated nucleus pulposus develop?

2 doctor answers3 doctors weighed in
Dr. Thomas Dowling
Orthopedic Spine Surgery 41 years experience
Varies: There is a strong genetic issue meaning family history and higher in smokers and in certain activities such as those involving repetitive rotation with flexion especially lifting a load or a sudden lift of too heavy a load as well in those who are out of shape and do not exercise. Obesity also can be a factor and sedentary life style with age, there is an increased incidence due to disc aging.
Dr. Thomas Dowling
Orthopedic Spine Surgery 41 years experience
Varies: There is a strong genetic issue meaning family history and higher in smokers and in certain activities such as those involving repetitive rotation with flexion especially lifting a load or a sudden lift of too heavy a load as well in those who are out of shape and do not exercise. Obesity also can be a factor and sedentary life style.

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A 42-year-old member asked:

Where does nucleus pulposus develops from?

1 doctor answer2 doctors weighed in
Dr. Chukwuka Okafor
Orthopedic Spine Surgery 17 years experience
Embryology: It originates from a flexible rod-shaped body called the notochord (part of an embryo). The notochord is found ventral to the neural tube. It is found in the center of each disc space and surrounded by the annulus fibrosis. When a disc herniates, the nucleus pulposus escapes from the center of the disc space, navigates through a rent in the surrounding annulus fibrosis, and can push on a nerve.
A 44-year-old member asked:

How herniated nucleus pulposus develops?

1 doctor answer3 doctors weighed in
Dr. Chintan Sampat
Orthopedic Spine Surgery 19 years experience
A disc herniation: The nucleus pulposus is the middle soft part of the disc in the spine that normally acts like a cushion. It looks and feels like a thick jelly material. Sometimes, it can leak out if there is a tear in the outside part of the disc (called the annulus fibrosus). When it leaks out, it can pinch a nerve and cause pain that radiates into the extremities.
Dr. Jonathan Hyde
Orthopedic Spine Surgery 30 years experience
A disc usually herniates when there is some change or degeneration to the annulus fibrosus that allows the cartilage, with minimal trauma, to enter the spinal canal through a tear in the annular ring. With severe trauma, there does not need to be degeneration to cause the tearing and extrusion.
May 16, 2012
A 32-year-old member asked:

I'm curious as to how herniated nucleus pulposus develop?

1 doctor answer2 doctors weighed in
Dr. Thomas Dowling
Orthopedic Spine Surgery 41 years experience
Varies: There is a strong genetic issue meaning family history and higher in smokers and in certain activities such as those involving repetitive rotation with flexion especially lifting a load or a sudden lift of too heavy a load as well in those who are out of shape and do not exercise. Obesity also can be a factor and sedentary life style with age, there is an increased incidence due to disc aging.
A 44-year-old member asked:

What are the tests for herniated nucleus pulposus?

1 doctor answer2 doctors weighed in
Dr. Larry Armstrong
Neurosurgery 28 years experience
MRI: An MRI and a good neurological exam by your family md can help rule out or rule in a herniated nucleus pulposus.
A 33-year-old member asked:

What are the symptoms of herniated nucleus pulposus?

2 doctor answers3 doctors weighed in
Dr. Larry Armstrong
Neurosurgery 28 years experience
Herniated Disks:: These cause pain, numbness, tingling, and weakness when severe. Approx 40% of the population have a herniated disk and no symptoms from it. There may be no symptoms or there may be severe pain with muscle weakness.

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