PMC5838845_01
One year postoperative axial (a), sagittal (b), a coronal (c) T1-weighted MR images showing no evidence of recurrence or abnormal findings in the supratentorial region
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F1
Follow-up magnetic resonance imaging (MRI) performed 1 year after the first operation had shown no evidence of recurrence or abnormal findings in the supratentorial region [Figure 1].
Two years postoperative axial (a and b), sagittal (c and d), a coronal (e) T1-weighted MR images with gadolinium detecting a solid mass with strong enhancement in the right cerebellar hemisphere (yellow arrow) and an hyperintense extra-axial solid mass located at posterior part of the falx (green arrow)
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F2
MRI performed 2 years after the first operation showed a solid mass with strong enhancement in the right cerebellar hemisphere as recurrence and an iperintense solid mass located at posterior part of the falx [Figure 2]. MRI performed at 4 years [Figure 3] revealed slow growth of both lesions that were asymptomatic.
Four years postoperative axial (a and b), sagittal (c and d), a coronal (e) T1-weighted MR images with gadolinium demonstrating further slow growth of both lesions described in Figure 2
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F3
MRI performed 2 years after the first operation showed a solid mass with strong enhancement in the right cerebellar hemisphere as recurrence and an iperintense solid mass located at posterior part of the falx [Figure 2]. MRI performed at 4 years [Figure 3] revealed slow growth of both lesions that were asymptomatic.
Histological images of meningothelial meningioma showing syncytial clusters of meningothelial cells
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F4
The intra and postoperative histological diagnosis was meningothelial meningioma of World Health Organization Grade 1 [Figure 4].