Are you curious to know what is a thecal sac? You have come to the right place as I am going to tell you everything about a thecal sac in a very simple explanation. Without further discussion let’s begin to know what is a thecal sac?
What Is A Thecal Sac?
The thecal sac is a structure in the spinal cord that surrounds and protects the spinal nerves. It is made up of an outer layer of dura mater, a tough connective tissue that surrounds the spinal cord and nerves, and an inner layer of arachnoid mater, a delicate, spider web-like tissue that covers the spinal cord and nerves.
The thecal sac is important for protecting the spinal cord and nerves from injury, as well as for maintaining the proper environment for the spinal cord and nerves to function properly. It contains cerebrospinal fluid (CSF), a clear liquid that cushions and nourishes the spinal cord and nerves.
Damage to the thecal sac can occur due to injury, disease, or surgery. Symptoms of thecal sac injury can include pain, numbness, weakness, and loss of sensation in the affected area of the body. In severe cases, thecal sac injury can lead to permanent nerve damage and disability.
Treatment for thecal sac injury depends on the cause and severity of the injury. In some cases, treatment may include rest, physical therapy, and medication to manage pain and inflammation. In more severe cases, surgery may be necessary to repair or remove damaged tissue.
Overall, the thecal sac is a vital structure in the spinal cord that plays an important role in protecting the spinal cord and nerves. Its proper function is crucial for maintaining the overall health and well-being of the spinal cord and nerves.
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What Happens When The Thecal Sac Is Compressed?
Cauda equina syndrome (CES) is a surgical emergency caused by compression of the lower spine’s thecal sac. The condition may lead to weakness and numbness of the legs, bowel bladder dysfunction, and saddle area numbness.
Does Thecal Sac Compression 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.
Does Thecal Sac Compression Require Surgery?
Depending on the patient, surgery may not be necessary. When non-surgical methods fail to treat severe neurological issues or pain, surgery may be the best course of action.
Does The Thecal Sac Have Nerves?
Neural Anatomy. 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.
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