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Doctor insights on: Bilateral Pars Defect L5 S1

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Pars Defect (Definition)

Spondylolysis is a defect of a vertebra. More specifically it is defined as a defect in the pars interarticularis of the vertebral arch. The great majority of cases occur in the lowest of the lumbar vertebrae (l5), but spondylolysis may also occur in the other lumbar vertebrae, as well as in the thoracic vertebrae. Spondylolysis occurs in three to six ...Read more


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L5-S1 fail segmentation&SBO, T11-L1 fused, post. hemivertebra & superior endplate infraction, facet OA & DDD T10-11, L1-2, L2-3. L5 pars defect, HELP?

L5-S1 fail segmentation&SBO, T11-L1 fused, post. hemivertebra & superior endplate infraction, facet OA & DDD T10-11, L1-2, L2-3. L5 pars defect, HELP?

Back,pain treatment: Major back problems needing surgery sometimes leave pain, even when the surgery went well. You need a pain management doc to evaluate if this is a compression vs nerve related problem.,treatments can include medication, bracing, injections, heating nerves to stop their pain, and over riding nerve pain with direct electrical stimulation -- spinal stimulation therapy. ...Read more

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Dr. Peter Kurzweil
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Seeking non-surgical treatment options for adolescent bilateral grade 3 spondylolysis (pars defects) with herniated l5-s1 disc?

Seeking non-surgical treatment options for adolescent bilateral grade 3 spondylolysis (pars defects) with herniated l5-s1 disc?

Options: Congenital variety genetic origin occuring in 6% us population in particularly in certain high level athletes like swimmers, gymnasts, pitchers, football linemen to name a few. Most treated non operatively including associated with herniated disc with bracing, physical therapy & medication and activity modification. Epidural steroid injections can also be considered with 90% treated nonop. ...Read more

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Can L4 anterolisthesis & L5 posterolisthesis on s1 with bilateral pars defect at L4 cause venous insufficiency in both legs? If so why?

Can L4 anterolisthesis & L5 posterolisthesis on s1 with bilateral pars defect at L4 cause venous insufficiency in both legs? If so why?

No: Bone, and discs, not vascular and would be incredibly unusual to slip, enough to compress major veins. Trauma, coagulopathy, DVT lead to venous valvular leakage- insufficiency. ...Read more

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Dr. Peter Kurzweil
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Im 20 years old i was just diagnosed with a pars defect of the s1 and L5 i had surgery to get it fixed but now the pain is way worse why is that?

Sometimes the : Surgery does not heal in terms of the defect healing if a direct repair or if it did heal, possibly you needed a fusion of that level. Even with a successful surgery, there can be about a 10% failure rate in a nonsmoker and a significantly higher failure rate in a smoker. You need to see your surgeon but it takes months for a surgery like this to heal. Surgeon case assess your fusion status. ...Read more

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Grade 2 anterolisthesis L5 on s1 with severe loss of disk height. Moderate loss of disk height at l3-4 and l4-5. Pars defect at l5. Right leg goes numb after standing still for 5 min or more. Surgery?

Grade 2 anterolisthesis L5 on s1 with severe loss of disk height. Moderate loss of disk height at l3-4 and l4-5. Pars defect at l5. Right leg goes numb after standing still for 5 min or more. Surgery?

Spinal pain: It certainly time to consider advanced treatments, diagnosis, and possibly surgery. You have a bad spine with multiple pathologies. It's important to figure out if you have active ongoing nerve damage. An EMG will give you the information that you need. If you don't have active nerve damage try everything else (injections, decompression, chiro, pt) before surgery as many can avoid surgery. ...Read more

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I have bilateral degenerative changes at l5-s1 level w/a grade 1-2 spondylolisthesis found 9/2012 has become worse will i end up needing surgery?

I have bilateral degenerative changes at l5-s1 level w/a grade 1-2 spondylolisthesis found 9/2012 has become worse will i end up needing surgery?

Spine Surgery: Spine surgery is reserved for individuals that have unrelenting pain that has failed conservative care or who have a progressive neurologic condition due to the spinal changes. Many individuals with your radiographic finding are pain free. If worsening would followup with your doctor or see a surgical or nonsurgical spine specialist. ...Read more

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My l4 l5 discs have small bulge without significant compression. L5 S1 has reduced disc space and bilateral sacrelization of L5. What should I do?

My l4 l5 discs have small bulge without significant compression. L5 S1 has reduced disc space and bilateral sacrelization of L5. What should I do?

Nothing: Research has shown that the findings on imaging studies do not correlate all the time with patient symptoms. If you have no problems then don't worry about it. If you have back pain, it is more likely to be associated with muscle strain than the bulging disc. Sacralization is common on of no real signficance. ...Read more

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L3-l5 no disk disease, minor degenerative facet change, no impingement. L5-s1 no disk disease, bilateral degenerative facet change no impingement. Mean?

L3-l5 no disk disease, minor degenerative facet change, no impingement. L5-s1 no disk disease, bilateral degenerative facet change no impingement. Mean?

Back pain: You are describing low back arthritis in terms of an MRI of the lumbar spine. Low back pain can be generated from degenerated or torn discs, nerve impingement from herniated discs, and inflammed or degenerated joints (facet) that connect one segment of the spine with an adjacent segment. Reducing or eliminating low back pain involves physical therapy, injections, and possibly surgery. ...Read more

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