Ankylosing spondylitis with zygapophyseal arthritis

Case contributed by Dalia Ibrahim
Diagnosis certain

Presentation

History withheld

Patient Data

Age: 31 year old
Gender: Male
This study is a stack
Sagittal
T2
This study is a stack
Sagittal
T1
This study is a stack
Axial
T2
This study is a stack
Axial
T1
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Info

Multi-level bilateral apophyseal joint arthritis.

The examined lumbar vertebrae show subtle small subchondral marrow degenerative changes of the anterior aspects of their upper and lower endplates "Romanus lesions", they elicit low signal at T1 and high signal at T2 WI giving the "Shiny corner sign"

This study is a stack
Axial T2-sacroiliac
joints
This study is a stack
Axial T1-sacroiliac
joints
This study is a stack
Coronal
T2-sacroiliac joints
This study is a stack
Coronal STIR
WI-sacroiliac joints
This study is a stack
Coronal
T1-sacroiliac joints
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Info

Severe narrowing mounting to near total ankylosis of the anterior aspects of both sacroiliac joints with patchy areas of altered marrow signal.

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