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Once the spinal injury has occurred, one of two things may happen. Firstly, hemorrhaging within the spinal cord may cause compression, which damages the spinal cord even further. Another consequence of myelomalacia is improper circulation of blood to the area damaged, resulting in further damage to the spinal cord. [citation needed]
A hyperintensity or T2 hyperintensity is an area of high intensity on types of magnetic resonance imaging (MRI) scans of the brain of a human or of another mammal that reflect lesions produced largely by demyelination and axonal loss.
The presence of high or moderate signal intensity on both T1 and T2 images is related to the ratio of fat to vessels and edema. For example, a VH with a high concentration of fat and a relatively low make-up of vessels and edema would show a high signal intensity on T1-weighted spin-echo images and intermediate signal intensity on T2-weighted ...
Active and pre-active lesions appear as hyperintense areas under T2-weighted MRI. Pre-active lesion here refers to lesions localized in the normal appearing white matter, without apparent loss of myelin but nevertheless showing a variable degree of oedema, small clusters of microglial cells with enhanced major histocompatibility complex class ...
One or more T2-hyperintense lesions characteristic of multiple sclerosis in one or more of the following brain regions: periventricular, cortical or juxtacortical, or infratentorial; Two or more T2-hyperintense lesions in the spinal cord; Presence of CSF-specific oligoclonal bands
Modic changes is a descriptive term used by radiologists in MRI evaluations. Conventional treatment including physiotherapy, chiropractic, acupuncture, and exercise for back pain, are not effective in treating Modic changes. Conversely, long term antibiotic treatment has been shown to be an effective treatment if done effectively.
Either 1) brain MRI showing normal findings or only nonspecific white matter lesions, or 2) optic nerve MRI showing T2-hyperintensity, or T1 enhancing lesion, greater than 1/2 optic nerve length or involving optic chiasm Acute myelitis: intramedullary lesion > 3 contiguous segments, or spinal atrophy ≥ 3 contiguous segments
The terms "Tarlov cyst" or "sacral perineural cyst" refer to cystic lesions of the spinal meninges with innervation as well as nerve sheath dilatations with subarachnoid communication. While they were once thought to be a histopathological finding, [ 10 ] they can be radiologically confirmed by specialized time lapsed MRI and CT imaging ...