Presentation
Back and right leg pain.
Patient Data
Age: 60 years
Gender: Female
From the case:
Lumbar spinal synovial cyst
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- Bilateral hypertrophic L4/5 facet arthropathy associated with bilateral facet synovial cysts (larger on the right side)
- The right facet synovial cyst shows cranial inclination and is seen encroaching upon the right L4 neural exit foramen and compressing the corresponding nerve root.
- The left facet synovial cyst encroaches upon the left L5 nerve root.
- L4/5 diffuse posterior disc bulge.
- L5/S1 small central posterior disc protrusion.
- D12/L1 central posterior disc protrusion.
- Mild ventral wedging of L1 vertebra.
From the case:
Lumbar spinal synovial cyst
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Bilateral hypertrophic L4/5 facet arthropathy associated with bilateral facet synovial cysts (larger in the right side)
- The right facet synovial cyst shows cranial inclination and is seen encroaching upon the right L4 neural exit foramen and compressing the corresponding nerve root.
- The left facet synovial cyst encroaches upon the left L5 nerve root.
Case Discussion
Spinal facet synovial cysts are more common in elderly females (>50 years old). They are typically associated with osteoarthritis of the facet joints.
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