PMC5820872_01
(a and b) Computerized tomography brain with contrast images. Axial and sagittal cuts
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F1
Contrast computerized tomography (CT) brain scan showed a right frontoparietal superficially located mixed density lesion with heterogeneous enhancement [Figure 1a and b].
(a-c) Magnetic resonance imaging brain with contrast, T1- and T2-weighted images showing the lesion. No communication with the ventricle. Right sided ventricle is compressed
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F2
Magnetic resonance imaging (MRI) demonstrated a solid/cystic cortical lesion in the right frontoparietal region with significant edema and peripheral enhancement on contrast, without any relationship of lateral or third ventricle [Figure 2a-c].
Postoperative computerized tomography brain with contrast images showing complete excision
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F3
Postoperative CT scan showed complete excision of the lesion [Figure 3].
(a) Histopathology images. Perivascular pseudorosettes can be seen. (b) Immunohistochemistry
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F4
Ki67 proliferation index was >15% suggestive of anaplastic cortical ependymoma Gr 3 [Figure 4a and b].