Doctor insights on:
Bilateral L5 Pars Interarticularis Defects
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 moreSee 2 more doctor answers
A CT results states: "bilateral pars interarticularis defects are present at l5." everything else normal. What does that mean?
Fracture: That part of the vertebral body that connects the body to the joints is the pars. Can break easily. ...Read more
I had a NM bone spect today, what does this mean?
Findings compatible with L5 pars interarticularis
left defect or stress injury with uptake.
Not much: In the future you might have a slippage of L5 on S1. Your doctor can tell you more. ...Read more
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
Im 19.I have lower back pain. CT scan stated that I have a "chronic break in l5-s1 pars interarticularis with facet arthropathy" what does this mean?
Refer to an ortho: In general, I would normally tell a patient to see an orthopedic specialist. ...Read more
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
Defect of spine: A pars defect of the lumbar spine involves a part of a vertebra called the pars interarticularis. " A defect in the pars is a break in this portion of bone. This break leads to a separation of the upper, front portion of the vertebra from its lower, back portion. This condition is a precursor to another condition called spondylolisthesis, which allows slipping of a vertebra in relation to the vertebrae above or below it. Previously, it was assumed that pars defects were congenital anomalies, or birth defects. Today, we understand that most pars defects are really stress fractures that usually occur in the spines of young people. The presumed cause is repeated hyperextension ...Read moreSee 1 more doctor answer
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
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
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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