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Doctor insights on: Bilateral L5 Pars Interarticularis Defects

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Dr. Adam Smith
Board Certified, Internal Medicine
11 years in practice
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What is the basic meaning when MRI shows Bilateral L5 pars Interarticularis defects without subluxation? This incurred after a multiple car accident.

What is the basic meaning when MRI shows Bilateral L5 pars Interarticularis defects without subluxation? This incurred after a multiple car accident.

Spondylolysis: Spondylosysis, or pars interarticularis defect, is essentially a stress fracture of the narrow bridge of bone between vertebral body and the spinous process of the vertebrae. This is not an uncommon condition following repetitive trauma (seen also in gymnasts and football players). Subluxation occurs if the fracture separates from normal position and becomes displaced. ...Read more

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Dr. Steven Seres
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Dr. Paul Velt
Board Certified, Diagnostic Radiology
36 years in practice
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Dr. Steven Seres
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Dr. William Schmidt
Board Certified, Internal Medicine
48 years in practice
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Dr. Thomas Dowling
Board Certified, Orthopedic Spine Surgery
34 years in practice
15M people helped
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What is break noted in pars interarticularis between L5 s1 level?

What is break noted in pars interarticularis between L5 s1 level?

Spondylolysis: Spondylo means spine and lysis means crack. These can be congenital variety which is genetic in origin occuring in 6% of the us population or after trauma which can be repetitve particularly in certain high level athletes like swimmers, gymnasts, pitchers, football linemen to name a few. Most are treated non operatively. It can be from trauma too. They can be found in about 6% of the us ...Read more

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Dr. Steven Seres
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Dr. John Mangoni
Board Certified, Pediatrics
39 years in practice
69K people helped
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Dr. Thomas Dowling
Board Certified, Orthopedic Spine Surgery
34 years in practice
15M people helped
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Can you tell me what chronic bilateral pars interarticularis defects on my MRI mean?

Can you tell me what chronic bilateral pars interarticularis defects on my MRI mean?

Called spondylolysis: Spondylo means spine and lysis means crack. Can be congenital variety which is genetic origin occuring in 6% of us population or after trauma which can be repetitve particularly in certain high level athletes ie. Swimmers, gymnasts, pitchers, football linemen to name a few. Most treated non operatively. Chronic means long standing ; no potential for healing but not meaning remaining symptomatic. ...Read more

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Dr. James Burns
Board Certified, Emergency Medicine
31 years in practice
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What does "chronic bilateral pars defects at l5" mean?

What does "chronic bilateral pars defects at l5" mean?

Pars defect: Refers to the pars interarticularis which is the bone connecting the inferior and superior facets which is anterior to the lamina and posterior to the pedicle. There are two per vertebrae. Lumbar pars defects can occur in young athletes or from stress fractures secondary to chronic arthritic changes or sudden severe trauma. ...Read more

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Dr. Edward Hellman
Board Certified, Orthopedic Surgery
23 years in practice
3M people helped
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What does Grade 1 anterolisthesis of L5 on S1 secondary to bilateral pars defects mean ?

What does Grade 1 anterolisthesis of L5 on S1 secondary to bilateral pars defects mean
?

Spondylolisthesis: Isthmic spondylolisthesis is another term for what you are describing. Basically one of the vertebrae is shifted foreword over the other. What has caused this condition in your case is a "defect" if the pars interarticularis, which usually stabilizes the spine. This condition can be associated with back and leg pain and difficulty standing or walking for long periods. Many treaent options. ...Read more

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Dr. Rhonda Simons
Board Certified, Family Medicine
9 years in practice
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What does it mean to me and what should I do if I have "chronic bilateral pars defects at l5"?

What does it mean to me and what should I do if I have "chronic bilateral pars defects at l5"?

Me too!: Bilateral pars defects are genetic defects of the spine that mean that the joints that hold the spine together at that are, and you could be more prone to spondylolisthesis--the top vertebra slipping over the bottom, which can case back pain, and radicular pain from pinched nerves. My mother had this, and so do i. Mine caught earlier because i was a gymnast--didn't know i had this until too late. ...Read more

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Dr. Thomas Dowling
Board Certified, Orthopedic Spine Surgery
34 years in practice
15M people helped
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What to do if I have just recently learned I have bilateral pars defect in l5, what does this mean?

What to do if I have just recently learned I have bilateral pars defect in l5, what does this mean?

Spine defect known : As spondylolysis. Spondylo means spine ; lysis means crack. Can be congenital variety which is genetic in origin occuring in 6%-8% of us population or after trauma which can be repetitve particularly in certain high level athletes like swimmers, gymnasts, pitchers, football linemen, etc.. Most rx'ed non operatively ; cause no symptoms although some can lead to back ;/or leg pain or neuro symptom. ...Read more

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Dr. Steven Seres
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