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Doctor insights on: Sacral Agenesis

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Is posterior cleft deformity of the sacrum also called spina bifida occulta?

Is posterior cleft deformity of the sacrum also called spina bifida occulta?

Spina bifida: Spina bifida refers to a deformity or defect within the lumbosacral spine and yes a posterior cleft deformity would be a form of spina bifida. ...Read more

Sacrum (Definition)

Below the lumbar spine and above the tailbone or coccyx lies the sacrum. The sacrum is part of the spine and interacts with the pelvis ...Read more


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What is tethered spinal cord syndrome?

What is tethered spinal cord syndrome?

Stretched spine: Tethered cord syndrome is where the spinal cord is stretched because it failed to grow along with the rest of the spine. The cord is attached to the sacrum but as we grow as a child this attachment lengthens along with our body growing taller. When this does not happen, the cord stretches and this causes pain, weakness, and bowel/bladder problems. If very symptomatic, it requires surgery. ...Read more

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Please explain.Spinal stenosis and neural foraminal stenosis, inferior cervical spine due to posteriordisc osteophyten complex formation, uncovertebral?

Please explain.Spinal stenosis and neural foraminal stenosis, inferior cervical spine due to posteriordisc osteophyten complex  formation, uncovertebral?

Cervical narrowing: Age appropriate changes of a settling cervical spine causing bone spurs and crowding of nerves in neck may cause arm pain and numbess in fingers small and ring with or without neck pain. ...Read more

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I've had two possible TIAs-MRI/A say-xanthoma formation w/in choroid plexus bilaterally-fetal origin right posterior cerebral arterycongenitalvarition?

I've had two possible TIAs-MRI/A say-xanthoma formation w/in choroid plexus bilaterally-fetal origin right posterior cerebral arterycongenitalvarition?

Normal variation: Fetal origin posterior cerebral artery is a normal finding you were born with and choroid plexus comments is also normal. I presume the MRI was otherwise normal. Please make sure to see a neurologist for a complete evaluation as TIAs are often warning signs for strokes. ...Read more

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Is cauda equina syndrome an incomplete paraplegia?

Is cauda equina syndrome an incomplete paraplegia?

No : It is a loss of bowel and bladder function of variable degree along with sensory changes in the "saddle" or sitting region of your body. ...Read more

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What is a presacral tarlov cyst? what does presacral mean?

What is a presacral tarlov cyst? what does presacral mean?

Tarlov cysts: Tarlov cysts are benign outpouchings of the meninges which may or may not contain nerve roots. These are usually asymptomatic (incidental finding on MRI scans of the lumbar spine) and occur in the presacral space which is behind the rectum and in front of the sacrum and tail bone (coccyx). The Tarlov cysts are not the cause of the low back pain. ...Read more

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What causes spina bifida? Is spina bifida caused by a spinal cord injury, or a chromosomal disorder?

What causes spina bifida? Is spina bifida caused by a spinal cord injury, or a chromosomal disorder?

Spina : Spina bifida is not an injury. It is a birth defect caused by failure of the nervous system to fully develop. When the embryo is forming, the nervous system starts out as a "neural tube" that is supposed to grow in a very specific way. If it does not, you are left with "neural tube defects" like spina bifida. There is nothing we know of that causes it for sure, but certain things make it more likely. It is more common with children that have trisomy 13, 18, or 21, but that is just an association, not a cause. They are very common, and the only thing we know of that might help prevent them is for the mother to take folate (folic acid). The hard part about that is the mother has to take folate (folic acid) very early in the pregnancy, often before she even knows she is pregnant. That is why the all women of child-bearing age are advised to take at least 0.4 mg of Folic Acid every day. ...Read more

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Ayurvedic treatment for tarlov cysts in sacral region ?

Ayurvedic treatment for tarlov cysts in sacral region ?

Tarlov cysts: Tarlov cysts are benign outpouchings of the dura mater at the base of the spine in the sacrum or tail bone area. They are not the source of pain and do not require treatment. ...Read more

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Mri-c6-7 there are bilateral uncovertebral osteophytes causing bilateral neural foraminal stenosis. What does this mean?

Mri-c6-7 there are bilateral uncovertebral osteophytes causing bilateral neural foraminal stenosis. What does this mean?

MRI: The radiologist is describing small spicules of bone that are causing some narrowing of the bony canal through which the nerve runs. The mr findings would have to be correlated to your clinical findings and a neurologist might be helpful there. ...Read more

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Mrireport l4l5disc bulge bilatral lumberlordosis lost spondylosis deformanswithdddwith cauda equina compression and bilateral compresive radiculopathy?

Mrireport l4l5disc bulge bilatral lumberlordosis lost spondylosis deformanswithdddwith cauda equina compression and bilateral compresive radiculopathy?

MRI report: This means you have some spinal arthritis with some nerve compression (lateral compression) and some central compression of the caudal equine (where other defending nerves travel). There is also loss of the normal lumbar lordosis curve which may signify back spasm. This can only be interpreted based on your symptoms and neurological exam. Hope this helps! ...Read more

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Is spina bifida caused by a spinal cord injury or chromosomal disorder?

Is spina bifida caused by a spinal cord injury or chromosomal disorder?

No one knows : There seems to be an interplay of genetic and environmental factors that cause this disease. Women who have had one child with spina bifida, or who are obese or diabetic have an increased chance of having a child with the problem. It is known that taking Folic Acid during the fertile years decreases the chance of having this problem. ...Read more

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What causes meningocele / spina bifida?

What causes meningocele / spina bifida?

Genetics usually: Altho there is high correlation with genetics causing meningocele / spina bifida, drugs (especially chemotherapeutics) and low blood folate (folic acid) during gestation or abdominal / pelvic irradiation during pregnancy are known causes. ...Read more

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L4/l5,posterior disk bulge,central disc protrusion indenting thecal sac.Causing bilateral lateral recesses and lower segments bilateral neural foramin?

L4/l5,posterior disk bulge,central disc protrusion indenting thecal sac.Causing bilateral lateral recesses and lower segments bilateral neural foramin?

Report: You need to take the results in combination with the clinical findings. Ask the attending doctor to explain th findings in conjunction with your complaint ...Read more

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What defines a spina bifida as spina bifida occulta?

What defines a spina bifida as spina bifida occulta?

Skin covering: Spina bifida occulta, like open spina bifida, is a congenital malformation involving a problem with closing of the neural tube during development. However, there is not exposed neural tissue in spina bifida occulta. There can be tracts connecting the skin to the spinal cord, or lipomas or bands (tight filum) which can cause neurologic deficit. There can also be bony issues. ...Read more

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What is Tethered Cord Syndrome?

What is  Tethered Cord Syndrome?

Spinal cord low: In fetal life, the spinal cord segments line up with the vertebral segments. As a child grows, the end of the cord rises. In a tethered cord, it is fixed in place and cannot rise. As a result the cord is put on stretch. Consequences include problems with bladder and bowel function when your would have expected toilet training would be completed. ...Read more

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Is arnold chiari malformation type one a neural tube defect?

Is arnold chiari malformation type one a neural tube defect?

No: The more accepted term is chiari malformation as arnold-chiari is an older term. This type of malformation is not a neural tube defect, but rather an abnormal migration of the cerebellar tonsils below the level of the foramen magnum (chiari type 1). This defect is attributed to a congenitally small posterior fossa, thus allowing the cerebellar tonsils to migrate downward. ...Read more

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Dorsal Mri says.Subtle intramedullary hyperintensity seen in cord extending from D5-D8 level-syrinx/myelitis. no cord expansion is seen means what?

Dorsal Mri says.Subtle intramedullary hyperintensity seen in cord extending from D5-D8 level-syrinx/myelitis. no cord expansion is seen means what?

There is not: enough specific info about the MRI finding or your clinical history to provide a very meaningful response. A syrinx is a longitudinal fluid collection in the spinal cord, small ones are usually incidental and of no concern, but they can be associated with other anomalies or tumors. Myelitis is inflammatory and very symptomatic. Other possibilities include demyelinating processe(e.g. MS). ...Read more

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Female (55) C4 C5 osteophyte complex indents ventral thecal sac/lateral recess. Disc protrusion contacts/flattens ventral hemicord ?

Female (55) C4 C5 osteophyte complex indents ventral thecal sac/lateral recess. Disc protrusion contacts/flattens ventral hemicord ?

Not sure of your ?: If you're asking about the imaging results you posted, you have a bone spur that is growing off of two of your vertebrae. It is large enough that it is pressing against your spinal cord and possibly some of the nerves that are exiting from the spinal cord. Your doctor will recommend treatment based on the severity of your symptoms. ...Read more