Does compression of the thecal sac cause pain?
Does compression of the thecal sac cause pain?
Metastatic epidural spinal cord compression is a common complication of cancer that can cause pain and potentiaLly irreversible loss of neurologic function. In most cases this syndrome is caused by compression of the thecal sac and the spinal cord by extradural metastatic mass.
What is the ventral Thecal?
Ventral refers to the front, the opposite of posterior. Thecal sac is the outer covering of the spinal cord. This means there are bone spurs on the back of the spinal bones, putting pressure on or affecting the front part of the outer layer of the (neck) cervical spinal cord.
What happens if thecal sac is compressed?
If there is central stenosis and marked compression of the entire dural/thecal sac, the patient may demonstrate paralysis (e.g., cauda equina syndrome) with sphincter loss (bladder and rectal dysfunction).
What does the C5 and C6 nerves control?
The C5 dermatome covers the outer part of the upper arm down to about the elbow. C6 helps control the wrist extensors (muscles that control wrist extension) and also provides some innervation to the biceps. The C6 dermatome covers the thumb side of the hand and forearm.
What does the thecal sac do?
The thecal sac contains the cerebrospinal fluid which provides nutrients and buoyancy to the spinal cord. From the skull the tube adheres to bone at the foramen magnum and extends down to the second sacral vertebra where it tapers to cover over the filum terminale.
What causes thecal sac effacement?
This is typically caused by some sort of trauma to the cervical spine, like an auto accident, sports injury, or damage from a large extruded disc. Thecal Sac Effacement: The thecal sac or dural sac is the membranous sheath (theca) or tube of dura mater that surrounds the spinal cord and the cauda equina.
What is effaces the ventral thecal sac?
Effacement: Means thinning. Ventral means the front of the spinal cord. The thecal sac is the encasement of the spinal cord. Ventral thecal sac effacement is thinning of the covering of the anterior spinal cord at L3-L4. By itself, this finding is usually of little concern and requires no specific treatment This can be due to a …Read more.
What are the symptoms of thecal sac compression?
Lower back pain
What is the meaning of thecal sac?
The thecal sac is the protective enclosing membrane which surrounds the spinal cord and cauda equina. This sac is filled with cerebral spinal fluid and is often featured prominently on MRI imaging reports for back pain patients.
What is the thecal sac in the cervical spine?
The thecal sac or dural sac is the membranous sheath or tube of dura mater that surrounds the spinal cord and the cauda equina. The thecal sac contains the cerebrospinal fluid which provides nutrients and buoyancy to the spinal cord.
