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General
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Sites
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Radiology
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Radiology images
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Right frontal papillary meningioma

Preoperative sagittal and axial gadolinium enhanced MR images

Large, lobulated, irregular mass

Mass with a broad base

Postoperative shows severe leptomeningeal seeding

Avidly enhancing meningioma

Prognostic factors
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Case reports
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Treatment
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Gross description
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Micro description
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Micro images
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Breaks apart more than classic meningioma

Papillary fronds

Edge of papillary meningioma

Ependymoma-like perivascular pseudorosettes

Focal rhabdoid features

Ki67


H&E

EMA, Vimentin, AE1-AE3, Ki67

H&E, EMA, Vimentin

Papillary architecture

Cytology description
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Cytology images
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Meningioma smear

Positive stains
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Negative stains
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Electron microscopy description
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Electron microscopy images
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Bundles of intermediate filaments

Differential diagnosis
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End of CNS tumor > Meningeal tumors > Papillary meningioma



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