Ankylosing spondylitis CT: Difference between revisions
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==Overview== | ==Overview== | ||
An option for more accurate (and much earlier) diagnosis of ankylosing spondylitis is [[Computed tomography|tomography]] of the sacroiliac joints. Joint erosions, subchondral sclerosis, and bony ankylosis are better visualized on CT | An option for more accurate (and much earlier) diagnosis of ankylosing spondylitis is [[Computed tomography|tomography]] of the sacroiliac joints. Joint erosions, [[subchondral]] [[sclerosis]], and bony [[ankylosis]] are better visualized on CT | ||
==CT== | ==CT== | ||
* May be useful in selected patients with normal or equivocal findings on sacroiliac joint radiographs | * May be useful in selected patients with normal or equivocal findings on sacroiliac joint radiographs | ||
* Joint erosions, subchondral sclerosis, and bony ankylosis are better visualized on CT | * Joint erosions, subchondral sclerosis, and bony ankylosis are better visualized on CT | ||
* Some normal variants of the SI joints may mimic features of sacroiliitis | * Some normal variants of the SI joints may mimic features of sacroiliitis | ||
* CT supplements scintigraphy in evaluated areas of increased uptake | * CT supplements [[scintigraphy]] in evaluated areas of increased uptake | ||
* Multidetector CT is superior to radiographs and MRI in demonstrating injuries | * Multidetector CT is superior to radiographs and MRI in demonstrating injuries | ||
* MDCT is imaging modality of choice in patients with advanced ankylosing spondylitis for whom there is suspicion of cervical spine fracture | * MDCT is imaging modality of choice in patients with advanced ankylosing spondylitis for whom there is suspicion of cervical spine fracture. | ||
==References== | ==References== | ||
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{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
[[Category:Arthritis]] | |||
[[Category:Autoimmune diseases]] |
Revision as of 18:10, 26 October 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
An option for more accurate (and much earlier) diagnosis of ankylosing spondylitis is tomography of the sacroiliac joints. Joint erosions, subchondral sclerosis, and bony ankylosis are better visualized on CT
CT
- May be useful in selected patients with normal or equivocal findings on sacroiliac joint radiographs
- Joint erosions, subchondral sclerosis, and bony ankylosis are better visualized on CT
- Some normal variants of the SI joints may mimic features of sacroiliitis
- CT supplements scintigraphy in evaluated areas of increased uptake
- Multidetector CT is superior to radiographs and MRI in demonstrating injuries
- MDCT is imaging modality of choice in patients with advanced ankylosing spondylitis for whom there is suspicion of cervical spine fracture.