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1.  Lumbar radiculopathy caused by foraminal stenosis in rheumatoid arthritis 
Upsala Journal of Medical Sciences  2011;116(2):133-137.
Study design
Case-series study.
Objective
To describe the clinical presentation, characteristic findings of imaging studies, and treatment of lumbar radiculopathy caused by foraminal stenosis in rheumatoid arthritis.
Background
Lumbar lesions in rheumatoid arthritis are relatively rare, with a limited number of systemic reports.
Methods
Six patients with lumbar radiculopathy caused by foraminal stenosis in rheumatoid arthritis were treated. The patients were all women with a mean age of 69 years and mean rheumatoid arthritis duration of 15 years. The medical records and imaging studies of all patients were reviewed.
Results
The affected nerve roots were L4 in four patients and L3 in two patients. Foraminal stenosis was not demonstrated in magnetic resonance images in four of the six patients. Selective radiculography with nerve root block reproduced pain, manifested blocking effect, and demonstrated compression of the nerve root by the superior articular process of the lower vertebra in all patients. Conservative treatment was performed on one patient, and surgery was conducted for the rest of the five patients; radiculopathy was improved in all patients.
Conclusions
Lumbar foraminal stenosis is a characteristic pathology of rheumatoid arthritis, and should be kept in mind in the diagnosis of lumbar radiculopathy. Selective radiculography is useful in the diagnosis of affected nerve roots.
doi:10.3109/03009734.2010.526722
PMCID: PMC3078543  PMID: 21091389
Diagnosis; foraminal stenosis; lumbar spine; radiculopathy; rheumatoid arthritis; surgery

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