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Ankylosing spondylitis (AS) is a type of arthritis from the disease spectrum of axial spondyloarthritis. [5] It is characterized by long-term inflammation of the joints of the spine, typically where the spine joins the pelvis. [2]
In radiology, a Romanus lesion is the erosion of the anterior and posterior vertebral endplates in patients with an inflammatory spondyloarthropathy – such as ankylosing spondylitis or an enteropathic arthropathy.
Since the disease ankylosing spondylitis was still defined by the Modified New York criteria of 1984, there was the need to find a new disease term that would also include the less severe forms or early onset of ankylosing spondylitis. This expression was found in the umbrella term axial spondyloarthritis.
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.
Spondylitis; Spondylitis due to Tropheryma whipplei: Contrast-enhanced, T1 weighted fat suppressed magnetic resonance imaging demonstrating contrast enhancing lesions of spondylitis in the first (L1) and second (L2), as well as fourth (L4) and fifth (L5) lumbar vertebra, sparing the intervertebral discs: Specialty: Rheumatology: Diagnostic method
Dagger sign is a radiologic sign seen in advanced cases of ankylosing spondylitis. [1] The appearance of a dagger is seen in the X-ray because of ossification of the supraspinous and infraspinous ligaments. [2] As a result, a central dense line of sclerosis, resembling a dagger can be seen in the AP radiograph of spine and pelvis. [3]
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 ...
Ankylosing spondylitis is a type of arthritis in which there is long-term inflammation of the joints of the spine. [2] Other forms of arthritis may sometimes also lead to ankylosis, including rheumatoid arthritis and reactive arthritis; Osteoarthritis usually confers osteophyte formation, which may eventually fuse across joints. Osteoarthritis ...
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