2022
DOI: 10.13107/jocr.2022.v12.i06.2846
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Foraminal Stenosis at L5–S1 as an Overlooked Pathology of Bilateral Radiculopathy: A Case Series

Abstract: Introduction: The classical symptom of foraminal stenosis is unilateral radiculopathy. Bilateral radiculopathy caused purely by foraminal stenosis is rare. Here, we report five cases of bilateral L5 radiculopathy caused purely by L5–S1 foraminal stenosis and describe the clinical and radiological features of these patients in detail. Case Presentation: Among the five patients, two were men and three were women with an average age of 69 years. Four patients had undergone surgeries at L4–5 level, previously. Al… Show more

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“…The postoperative lumbar MRI on the next day revealed no evidence of recurrent disc herniation or epidural hematoma ( Figures 1D,E ). To differentiate from L5 radiculopathy, often caused by disc bulging at L4/5 level or L5/S1 foraminal stenosis ( 4 ), pre- and post-operative lumbar spine MRI were thoroughly examined ( Figure 3 ). Subsequently, the patient underwent nerve conduction velocity (NCV) and needle electromyogram (EMG) on postoperative day 2 ( Table 1 ), revealing reduced amplitudes of compound motor action potentials (CMAPs) in right peroneal nerve and tibial nerve.…”
Section: Case Presentationmentioning
confidence: 99%
“…The postoperative lumbar MRI on the next day revealed no evidence of recurrent disc herniation or epidural hematoma ( Figures 1D,E ). To differentiate from L5 radiculopathy, often caused by disc bulging at L4/5 level or L5/S1 foraminal stenosis ( 4 ), pre- and post-operative lumbar spine MRI were thoroughly examined ( Figure 3 ). Subsequently, the patient underwent nerve conduction velocity (NCV) and needle electromyogram (EMG) on postoperative day 2 ( Table 1 ), revealing reduced amplitudes of compound motor action potentials (CMAPs) in right peroneal nerve and tibial nerve.…”
Section: Case Presentationmentioning
confidence: 99%