ANKYLOSING SPONDYLITIS SPINAL CHANGES CT & MRI Findings in Ankylosing Spondylitis of the spine Ankylosing spondylitis (AS), in the spine can involve the anterior and posterior elements. It usually commences anteriorly and as the disease progresses, posterior changes are seen. In these images we look at: Corner erosions and Sclerosis. Syndesmophyte formation between vertebrae. Fusion: …
ANKYLOSING SPONDYLITIS SPINE RADIOLOGY CT MRI FUSION WHERE TO LOOK There are 4 sites in the posterior spine to assess for changes of AS. Facet Joints. Superspinous Ligament. Costovertebral joints. Costo transverse joints. Changes can be at 1 or more of these sites. THE TAKE AWAY Spinal changes start anteriorly and progress posteriorly. All …
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MRI SPINE FOR RHEUMATOLOGISTS & (RADIOLOGISTS) In this video below we look at how to assess a MRI Spine Ankylosing Spondylitis & Spondyloarthritis (SpA ) for Rheumatologists (and Radiologists ) and look at the SIGNAL CHANGES YOU NEED TO KNOW AND WHAT THEY MEAN. This is the 2nd part of a 3 part series on …
MRI SPINE FOR RHEUMATOLOGISTS & (RADIOLOGISTS) How to assess Ankylosing Spondylitis and Spondyloarthropathy Part 1: The Sequences you need to know. Rheumatologists should be able to assess a MRI Spine for changes of Ankylosing Spondylitis and Spondyloarthropathy. We have a 3 part series for Rheumatologists (and Radiologists 😀) on how to have a structure to assess …
ROMANUS LESIONS ANATOMY OF THE ENDPLATE AND ENTHESIS To understand the Romanus Lesion or Corner Inflammatory Lesion as its described on MRI, its important to understand the anatomy of the endplate and enthesis it forms with the annulus. This post was done together with Dr Joe Thomas who is a very talented Rheumatologist from Kochi …
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ROMANUS LESION X-RAY CT FINDINGS Romanus Lesion is a term used on x-ray and CT and on MRI is called a Corner Inflammatory Lesion and these occur in Spondyloarthropathies like ankylosing spondylitis. The changes are seen at the endplate corners and are due to an enthesitis at the attachment of the annulus fibrosis to the …
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ANKYLOSING SPONDYLITIS DAGGER SIGN SPINE IMAGING In ankylosing spondylitis, what is the dagger sign? In this post we look at how to recognise it and he Anatomy and Pathology that helps explain what the Dagger sign is. WHAT IS THE DAGGER SIGN In Ankylosing spondylitis the dagger sign refers to a solid central line of …
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ANKYLOSING SPONDYLITIS HIP PERIPHERAL JOINT INVOLVEMENT RADIOLOGY HOW COMMON IS HIP JOINT INVOLVEMENT IN ANK SPOND: Hip involvement in Ankylosing spondylitis has been reported in up to a 1/3rd of patients and is usually bilateral. WHY DOES IT OCCUR: Its primarily an inflammatory process. This results in cartilage destruction and loss of joint space. Eventually …
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ROMANUS LESION MRI CORNER INFLAMMATORY LESIONS ROMANUS LESION CORNER INFLAMMATORY LESION MRI Romanus Lesions are now called Corner Inflammatory Lesions. This post is the last in the series on Romanus lesions in ankylosing spondylitis and looks at the MRI findings in both acute and chronic changes. (If you haven’t seen the first two posts, …
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