PMC7771414_01
T1-weighted images showing hypo to isointense lesion from D11 to L2.
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F1
T1-weighted [Figure 1] and hyperintense on T2-weighted [Figure 2] images. The post contrast scan showed significant patchy enhancement with few central non-enhancing areas [Figure 3] (likely to be cystic or foci of necrosis).
T2-weighted images with hyperintense lesion from D11 to D12.
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F2
T1-weighted [Figure 1] and hyperintense on T2-weighted [Figure 2] images. The post contrast scan showed significant patchy enhancement with few central non-enhancing areas [Figure 3] (likely to be cystic or foci of necrosis).
Post contrast image showing patchy enhancement with few non enhancing areas likely hemorrhage or necrosis.
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F3
T1-weighted [Figure 1] and hyperintense on T2-weighted [Figure 2] images. The post contrast scan showed significant patchy enhancement with few central non-enhancing areas [Figure 3] (likely to be cystic or foci of necrosis).
Spindle cells arranged in alternating compact hypercellular (Antoni A, black arrow) and loose myxoid hypocellular (Antoni B, red arrow) areas (H and E x200).
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F4
The histopathological examination revealed tumor tissue arranged in alternating hypercellular and hypocellular areas (Antoni A and B) [Figure 4].
Verocay bodies showing palisaded nuclei arranged around acellular fibrillary zones (black arrows) (H and E x200).
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F5
Many hyalinized blood vessels and Verocay bodies [Figure 5] were interspersed.
Strong diffuse cytoplasmic and nuclear immunostaining with S-100 (H and E x200).
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F6
Immunohistochemistry showed strong diffuse immunostaining with S-100 [Figure 6].