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Lumbar provocative discography (also referred to as "discography" or discogram) is an invasive diagnostic procedure for evaluation for intervertebral disc pathology. It is usually reserved for persons with persistent, severe low back pain (LBP) who have abnormal spaces between vertebrae on magnetic resonance imaging (MRI), where other diagnostic tests have failed to reveal clear confirmation ...
Cerebrospinal fluid (CSF) flow MRI is used to assess pulsatile CSF flow both qualitatively and quantitatively. Time-resolved 2D phase-contrast MRI with velocity encoding is the most common method for CSF analysis. [ 1] CSF Fluid Flow MRI detects back and forth flow of Cerebrospinal fluid that corresponds to vascular pulsations from mostly the ...
Magnetic resonance myelography (MR myelography or MRI myelography) is a noninvasive medical imaging technique that can provide anatomic information about the subarachnoid space. It is a type of MRI examination that uses a contrast medium and magnetic resonance imaging scanner to detect pathology of the spinal cord, including the location of a ...
Normal lumbar vertebra showing large, round spinal canal. The diagnosis is based on clinical findings. [7] Some patients can have a narrowed canal without symptoms, and do not require therapy. [citation needed] The normal lumbar central canal has a midsagittal diameter (front to back) greater than 13 mm, with an area of 1.45 cm 2. Relative ...
3-130. [edit on Wikidata] Myelography is a type of radiographic examination that uses a contrast medium (e.g. iodised oil [1]) to detect pathology of the spinal cord, including the location of a spinal cord injury, cysts, and tumors. Historically the procedure involved the injection of a radiocontrast agent into the cervical or lumbar spine ...
Neurology. A cerebrospinal fluid leak (CSF leak or CSFL) is a medical condition where the cerebrospinal fluid (CSF) that surrounds the brain and spinal cord leaks out of one or more holes or tears in the dura mater. [1] A CSF leak is classed as either spontaneous (primary), having no known cause (sCSF leak), or nonspontaneous (secondary) where ...
Neurogenic claudication (NC), also known as pseudoclaudication, is the most common symptom of lumbar spinal stenosis (LSS) and describes intermittent leg pain from impingement of the nerves emanating from the spinal cord. [1][2] Neurogenic means that the problem originates within the nervous system. Claudication, from Latin claudicare 'to limp ...
Therefore, contrast is injected into the spinal canal via lumbar puncture and then imaged using CT scan (known as CT myelography). CT myelography is useful when the person is contraindicated to MRI scan due to presence of pacemaker or infusion pump in the body. [2] MRI is the investigation of choice to investigate radiculopathy and myelopathy.