Presentation
Pain.
Patient Data
Age: 65 years
Gender: Female
From the case:
Rheumatoid arthritis
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Bilateral os acetabuli and protrusio acetabuli with geode and possible avascular necrosis of the right femoral head. Marked joint loss bilaterally. Background of osteopenia.
From the case:
Rheumatoid arthritis
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Erosion of the superior dens and smaller eroded posterior spinous processes.
Extension C1-2 distance measures: 5 to 6mm
Flexion C1-2 distance measures: 7mm
Some erosive facet change and osteopenia noted.
In flexion C2-3 4mm slip corrects in flexion, C6-7 5 to 6mm slip with correction by 4mm.
Case Discussion
The patient has a known history of rheumatoid arthritis.
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