case_images: PMC8720455_01
case_images: MRI brain showing 4.2 x 3.6 x 3.5 cm T2 heterogenous (a and b) lesion with contrast Enhancement (d and e). MRI brain with gadolinium demonstrating enhancing intradural Extramedullary lesion at 8th thoracic level.
case_images: SNI-12-611-g001.jpg
case_images: PMC8720455_01_SNI-12-611-g001.jpg
case_images: F1
case_images: The lesion was T1 hypointense and heterogeneously contrasts enhancing [Figure 1].
case_images: Meningioma excised from D8 spinal level showing features of atypical meningioma, WHO Grade II with increased mitotic activity (a, mitotic figures marked by arrows) and elevated Ki-67 labelling index. In contrast, the neoplasm excised from trigone exhibits morphological features of transitional meningioma, WHO Grade I with low Ki-67 labelling index (d). (a and c) Haematoxylin and eosin; (b and d) Immunoperoxidase; Magnification=scale bar (a-d: 20 mum)
case_images: SNI-12-611-g002.jpg
case_images: PMC8720455_01_SNI-12-611-g002.jpg
case_images: F2
case_images: Due to the increased mitotic count, this tumor was classified as atypical meningioma, the WHO Grade II [Figure 2].