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case_images: Contrast-enhanced T1-weighted images before surgery. A & B: MRI in axial plane. C: MRI in coronal plane.
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case_images: The MRI scan showed two extra-axial lesions of different sizes (Fig. 1).
case_images: Contrast-enhanced T1-weighted images after surgery. A: MRI in coronal plane. B: MRI in axial plane.
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case_images: A postoperative MRI scan showed persistent edema, but no residual tumor on contrast-enhanced T1-weighted images (Fig. 2).
case_images: Histology of a meningioma (CNS WHO grade 1) with tumor-to-meningioma metastasis from adenocarcinoma; hematoxylin and eosin staining at low and high magnification (A-B). The adenocarcinoma showed positive immunohistochemical staining for; CKAE1/AE3 (C), PSA (D), PSMA (E), and NKX3-1 (F).
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case_images: The smallest tumor was identified as a meningioma (CNS WHO grade 1), and the largest tumor was identified as a meningioma (CNS WHO grade 1) with TMM from adenocarcinoma, consistent with a primary prostate cancer (Fig. 3).
case_images: PMC11295949_02
case_images: Contrast-enhanced T1-weighted images before surgery. A: MRI in axial plane. B: MRI in coronal plane.
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case_images: The brain MRI showed an extra-axial lesion in the right frontal region with relatively homogenous contrast enhancement (Fig. 4).
case_images: Contrast-enhanced T1-weighted images after surgery. A: MRI in axial plane. B: MRI in coronal plane.
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case_images: The patient was operated with a frontal craniotomy with en bloc removal of the tumor and the adjacent dura (Fig. 5).
case_images: Histology of an atypical meningioma (CNS WHO grade 2) with tumor-to-meningioma metastasis from groups and single files of carcinoma cells (A). Brain invasion of meningothelial tumor tissue (B). The carcinoma was immunoreactive for CKAE1/AE3 (C), and CK7 (D).
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case_images: She did not get any further treatment for cerebral metastasis (Fig. 6).