World Neurosurg
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Extradural spinal meningiomas are rare. Our understanding of purely extradural spinal meningiomas is incomplete because most reports rarely differentiate purely extradural meningiomas from extradural meningiomas with an intradural component. Occasionally, reports have described involvement of the adjacent nerve root, but there has never been a description of an extradural meningioma that actually infiltrates the nerve root. ⋯ Purely extradural meningiomas are rare, and our case is one of the first to describe a patient with an extradural meningioma that actually infiltrates the nerve root. Extradural spinal meningiomas are usually not adherent to the dura, but only appear to be adherent or invade (as in our patient) the adjacent nerve root. They are easily mistaken preoperatively and grossly intraoperatively for malignant metastatic tumors and can change the proposed surgical treatment. The long-term prognosis remains uncertain, but our patient's last follow-up suggests a favorable prognosis.
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To evaluate risk factors for the development of dysphagia after anterior cervical surgery. ⋯ In our patients, the incidence of dysphagia was low, and it had completely resolved at 12 months in all cases. Risk factors for dysphagia were multilevel procedures, involvement of C4-5 and C5-6, and age.