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Cervical radiculopathy due to extracranial vertebral artery dissection treated by stent placement with a flow
Background:
Cervical radiculopathy due to extracranial vertebral artery dissection (VAD) is extremely rare. The disease is usually treated with conservative treatment because of its favorable prognosis. However, there is a possibility that conservative treatment may bring about no improvement in radiculopathy. Although stent placement with a flow diversion effect may be effective in such cases, there are no reported cases that were treated with stent placement.
Observations:
A 40-year-old healthy man presented with severe right neck pain, right arm pain, and right arm weakness after cracking his neck. A neurological examination revealed right C5 radiculopathy. Neuroimaging studies revealed right extracranial VAD. The VAD compressed the right C5 nerve root. Although medications were administered, there was no improvement in the symptoms. He experienced severe radicular pain. The authors performed stent placement with a flow diversion effect 10 days after the onset of VAD. His radicular pain improved immediately after the procedure, and the remaining radiculopathy completely improved within 1 month. Follow-up angiography showed complete improvement of the VAD.
Lessons:
Stent placement with a flow diversion effect may be considered when radiculopathy that hinders a patient's daily life exists. Stent placement may bring about rapid improvement in radiculopathy, especially radicular pain.
