What nerves are in the thecal sac?
The thecal sac ends blindly at the S2 level. The lower sacral and coccygeal nerves emerge from the sac, as does the extradural portion of the filum terminale. The upper four roots exit the sacrum through the paired ventral and dorsal sacral foramina.
What is severe thecal sac compression?
Thecal Sac Compression – The spinal cord and nerves are also protected by a membrane filled with cerebral spinal fluid known as the thecal sac or dural sac. Flattening or compression of the thecal sac will occur in other conditions that cause pressure or pinching of the spinal cord, such as stenosis.
What does empty thecal sac mean?
Dr Mostafa El-Feky ◉ and Dr Tom Millner et al. The empty thecal sac sign or empty sac sign is when the thecal sac appears empty on MRI of the lumbar spine, best seen on T2-weighted images. If the empty thecal sac sign is present, a diagnosis of adhesive arachnoiditis can be made.
What is thecal sac narrowing?
Is thecal sac compression painful?
In severe cases, the nervous tissue may be pinched, interfering with the brain’s ability to send and receive messages from a particular part of the body. Compression of the spinal cord is a spinal condition that can occur at any section of the spine and may cause pain, muscle weakness, or numbness.
Is spinal cord compression a disability?
Anyone with a spinal cord injury can file a claim for Social Security disability benefits as long as the injury has lasted at least three months and is expected to make it impossible for you to work for at least 12 months.
What is effacement of the anterior thecal sac?
Effacement means obliterating or erasing while right neural to the Intervertebral foramen: an opening between vertebrae through which nerves leave the spine and extend to other parts of the body.
What does ventral thecal sac effacement mean?
It says: .1. Straightening of the cervical spine seen. 2. Disc desiccation is noted at C2-3 to C6-7 levels. 3. Reduced … read more Hi I was rear ended approximatly 6 weeks ago and have been in pain every since the accident.. I had an MRI and the results are as follows. C2-3 … read more Post graduation (Liverpool…
Is the thecal sac part of the spinal cord?
The thecal sac is simply a membrane which surrounds the spinal cord and spinal nerves. It is filled with cerebral spinal fluid and acts as a protective barrier for sensitive nerve tissue. Herniated discs which contact, encroach upon or compress the thecal sac alone, mean absolutely nothing in most cases.
Where does the thecal sac begin and end?
It is the space within the thecal sac which extends from below the end of the spinal cord (the conus medularis), typically at the level of the first to second lumbar vertebrae down to tapering of the dura at the level of the second sacral vertebra.
What does MRI report say about thecal sac indentation?
My MRI Report says. Disc desiccation with mild diffuse disc bulge and posterocentarl disc herniation noted at l5-S1 level causing indentation on another thecal sac. What does it mean Surgery happend for. Me on April 2017 because of tumour in spinal card That means in simple language there is disc prolapse.