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Seronegative spondyloarthropathy-related sacroiliitis: CT, MRI features and differentials.

Prakash D, Prabhu SM, Irodi A - Indian J Radiol Imaging (2014)

Bottom Line: Seronegative spondyloarthropathy is a group of chronic inflammatory rheumatic diseases that predominantly affect the axial skeleton.Involvement of sacroiliac joint is considered a hallmark for diagnosis of seronegative spondyloarthropathy and is usually the first manifestation of this condition.We present a pictorial essay of CT and MRI imaging findings in seronegative spondyloarthropathy-related sacroiliitis in various stages and highlight common differentials that need to be considered.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India.

ABSTRACT
Seronegative spondyloarthropathy is a group of chronic inflammatory rheumatic diseases that predominantly affect the axial skeleton. Involvement of sacroiliac joint is considered a hallmark for diagnosis of seronegative spondyloarthropathy and is usually the first manifestation of this condition. It is essential for the radiologist to know the computed tomography (CT) and magnetic resonance imaging (MRI) features of spondyloarthropathy-related sacroiliitis as imaging plays an important role in diagnosis and evaluation of response to treatment. We present a pictorial essay of CT and MRI imaging findings in seronegative spondyloarthropathy-related sacroiliitis in various stages and highlight common differentials that need to be considered.

No MeSH data available.


Related in: MedlinePlus

Associated findings in seronegative spondyloarthropathy-related sacroiliitis on CT scan. (A) Axial CT sections in a 51 year old male with sacroiliitis shows erosions in the bilateral facet joints (black arrows). (B) Coronal oblique CT scan in another patient shows bridging syndesmophytes (thick white arrow), facet ankylosis (thick black arrows), and enthesitis (thin black arrow) with periarticular ossification adjacent to facet joints (thin white arrows). Detection of any of these findings in the imaging field in patients with sacroiliitis can support a diagnosis of seronegative spondyloarthropathy
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Figure 11: Associated findings in seronegative spondyloarthropathy-related sacroiliitis on CT scan. (A) Axial CT sections in a 51 year old male with sacroiliitis shows erosions in the bilateral facet joints (black arrows). (B) Coronal oblique CT scan in another patient shows bridging syndesmophytes (thick white arrow), facet ankylosis (thick black arrows), and enthesitis (thin black arrow) with periarticular ossification adjacent to facet joints (thin white arrows). Detection of any of these findings in the imaging field in patients with sacroiliitis can support a diagnosis of seronegative spondyloarthropathy

Mentions: Additional findings, when seen in the surrounding structures in the imaging field, can add substantial value to the diagnosis of spondyloarthropathy. Additional CT and MRI findings [Figures 11 and 12] in routine SI joint protocol include the following:


Seronegative spondyloarthropathy-related sacroiliitis: CT, MRI features and differentials.

Prakash D, Prabhu SM, Irodi A - Indian J Radiol Imaging (2014)

Associated findings in seronegative spondyloarthropathy-related sacroiliitis on CT scan. (A) Axial CT sections in a 51 year old male with sacroiliitis shows erosions in the bilateral facet joints (black arrows). (B) Coronal oblique CT scan in another patient shows bridging syndesmophytes (thick white arrow), facet ankylosis (thick black arrows), and enthesitis (thin black arrow) with periarticular ossification adjacent to facet joints (thin white arrows). Detection of any of these findings in the imaging field in patients with sacroiliitis can support a diagnosis of seronegative spondyloarthropathy
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4126143&req=5

Figure 11: Associated findings in seronegative spondyloarthropathy-related sacroiliitis on CT scan. (A) Axial CT sections in a 51 year old male with sacroiliitis shows erosions in the bilateral facet joints (black arrows). (B) Coronal oblique CT scan in another patient shows bridging syndesmophytes (thick white arrow), facet ankylosis (thick black arrows), and enthesitis (thin black arrow) with periarticular ossification adjacent to facet joints (thin white arrows). Detection of any of these findings in the imaging field in patients with sacroiliitis can support a diagnosis of seronegative spondyloarthropathy
Mentions: Additional findings, when seen in the surrounding structures in the imaging field, can add substantial value to the diagnosis of spondyloarthropathy. Additional CT and MRI findings [Figures 11 and 12] in routine SI joint protocol include the following:

Bottom Line: Seronegative spondyloarthropathy is a group of chronic inflammatory rheumatic diseases that predominantly affect the axial skeleton.Involvement of sacroiliac joint is considered a hallmark for diagnosis of seronegative spondyloarthropathy and is usually the first manifestation of this condition.We present a pictorial essay of CT and MRI imaging findings in seronegative spondyloarthropathy-related sacroiliitis in various stages and highlight common differentials that need to be considered.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India.

ABSTRACT
Seronegative spondyloarthropathy is a group of chronic inflammatory rheumatic diseases that predominantly affect the axial skeleton. Involvement of sacroiliac joint is considered a hallmark for diagnosis of seronegative spondyloarthropathy and is usually the first manifestation of this condition. It is essential for the radiologist to know the computed tomography (CT) and magnetic resonance imaging (MRI) features of spondyloarthropathy-related sacroiliitis as imaging plays an important role in diagnosis and evaluation of response to treatment. We present a pictorial essay of CT and MRI imaging findings in seronegative spondyloarthropathy-related sacroiliitis in various stages and highlight common differentials that need to be considered.

No MeSH data available.


Related in: MedlinePlus