What is T2 hyperintensity in spinal cord?
T2 hyperintensity can reflect many processes at the microscopic level, including edema, blood–spinal cord barrier breakdown, ischemia, myelomalacia, or cavitation (2). The differential diagnosis includes a large number of diseases that affect the spinal cord.
How can you differentiate between intramedullary and extramedullary spinal lesions Radiology?
Intramedullary intradural lesions are within the substance of the cord. Extramedullary lesions are located within the dural sac but exterior to the spinal cord.
What is intraspinal lesion?
Intraspinal tumors are rare central nervous system neoplasms. The reported clinical features of intraspinal tumors have varied in previous studies. We present here the cases of 184 patients with intraspinal tumors treated surgically in our hospital and a review of the literature.
What is a Chiari 1 malformation?
A Chiari malformation is a problem in which a part of the brain (the cerebellum) at the back of the skull bulges through a normal opening in the skull where it joins the spinal canal. This puts pressure on parts of the brain and spinal cord, and can cause mild to severe symptoms.
What does extramedullary mean?
Medical Definition of extramedullary 1 : situated or occurring outside the spinal cord or the medulla oblongata. 2 : located or taking place outside the bone marrow extramedullary hematopoiesis.
What does intramedullary lesion mean?
Intramedullary tumors are growths that develop in the supporting (glial) cells within the spinal cord. A spinal tumor is a growth that develops within your spinal canal or within the bones of your spine.
What is DURA?
Dura: The outermost, toughest, and most fibrous of the three membranes (meninges) covering the brain and the spinal cord. Dura is short for dura mater (from the Latin for hard mother). Epidural means outside the dura. An accumulation of blood outside the dura is an epidural hematoma. Subdural means under the dura.
What are the symptoms of a spinal cord lesion?
Symptoms Of Lesions On Spine. Patients who suffer from spinal lesions may manifest the following symptoms: Increasing numbness. Severe back pain that may escalate to immobility. Urinary incontinence. Bowel dysfunction. Pain along the spinal nerve. Loss of muscle sensation.
What are the complications of spinal cord injury?
As with any severe trauma, there are many complications that may occur with a spinal cord injury. Complications may include extreme changes in blood pressure, deep vein thrombosis, difficulty breathing and pulmonary infections, risk of injury to numb parts of the body, pressure sores from immobility, and contractures .
What are symptoms of cervical spine lesion?
If the spinal cord lesion is in the cervical spine (i.e. neck) the motor symptoms will be weakness in one or both arms or hands depending on the level of the spine affected). If the spinal cord lesion is in the thoracic or lumbar spine the motor symptoms will be weakness in one or both hips, legs, or ankles again depending on the level affected.
What is spinal cord contusion?
A spinal contusion of the spinal cord occurs when the cord is bruised through trauma, which can lead to inflammation and bleeding from blood vessels near the injury site. Spinal compression occurs when pressure is exerted onto the spinal cord by a nearby source,…