• World Neurosurg · Nov 2022

    Case Reports

    Magnetic resonance imaging scans of cervical spinal cord ependymoma with changing radiological features over a short period of time.

    • Yoshitaka Nagashima, Yusuke Nishimura, and Ryuta Saito.
    • Department of Neurosurgery, Nagoya University School of Medicine, Nagoya, Japan.
    • World Neurosurg. 2022 Nov 1; 167: 959795-97.

    AbstractIn a 30-year-old woman with cervical ependymoma, magnetic resonance imaging (MRI) features changed over a short period of time. A T2-weighted MRI scan obtained 1 month before surgery showed an intramedullary tumor with mixed intensity suggesting solid and cystic components at the C4-7 level. Gadolinium-enhanced MRI showed ring enhancement, including a cystic component at the C4-7 level. However, fluorodeoxyglucose positron emission tomography revealed uptake at the C5 level, and another gadolinium-enhanced MRI scan performed 24 days after the previous scan showed only enhanced lesions corresponding to the solid component at the C5-6 level. These images changed over a short time because the spontaneous hematoma, which was enhanced on the first MRI scan, had disappeared later. Fluorodeoxyglucose positron emission tomography or repeated gadolinium-enhanced MRI may be useful if the initial MRI scan suggests the presence of a hematoma in spinal ependymoma.Copyright © 2022 Elsevier Inc. All rights reserved.

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