PMC6743691_01
(a) Magnetic resonance image (MRI) T2 sagittal view showing isointense round mass from C3 to C6. (b) MRI T1 with contrast axial view showing an enhancement cervical mass, encircling the dura.
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F1
The lesion was isointense on both T1- and T2-weighted images and intensely homogeneously enhanced with gadolinium [Figure 1].
(a) Intraoperative image of posterior resection which shows a fibrous epidural mass, without dural infiltration. (b) Intraoperative image which shows cervical roots without tumor.
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F2
At surgery, the extradural tumor was grayish, white, non-suckable, and fibrous; it was carefully peeled off the dura [Figure 2].
(a) Intraoperative ultrasonography image showing the tumor (big arrows), the dura (thin arrows), and the ependimary channel (arrowhead). (b) Ultrasonography image after posterior tumor removal, showing decompression of the spinal cord.
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F3
The intraoperative ultrasound confirmed adequate posterior decompression of the spinal cord without the identification of any additional intradural mass [Figure 3].
Hematoxylin and eosin section showing meningothelial cell but also mature adipocite-like cells with peripherally displaced nuclei (a) x400, (b) x100.
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F4
These findings confirmed the diagnosis of a transitional lipomatous meningioma [Figure 4].
Magnetic resonance imaging T2 image sagittal view (a) after the first surgery showing anterior cervical tumor and (b) after corpectomy and removal of the anterior part of the tumor without any rest.
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F5