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Difference between revisions of "Meningioma"
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→Morphologic subtypes: +images added
Jensflorian (talk | contribs) (→Microscopic: images added (tbc...)) |
Jensflorian (talk | contribs) (→Morphologic subtypes: +images added) |
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<gallery> | <gallery> | ||
File:Meningioma_fibromatous_variant.jpg | File:Meningioma_fibromatous_variant.jpg | Fibrous meingioma (WC) | ||
File:Miningioma_(4)_EMA.JPG | EMA staining (WC/marvin 101) | |||
</gallery> | </gallery> | ||
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File:Miningioma_(1)_transitional_type.jpg | Low power (WC/KGH) | File:Miningioma_(1)_transitional_type.jpg | Low power (WC/KGH) | ||
File:Miningioma_(2)_transitional_type.jpg | Intermed magnification (WC/KGH) | File:Miningioma_(2)_transitional_type.jpg | Intermed magnification (WC/KGH) | ||
File:Prominent mitosis meningioma.jpg | Mitosis in a transitional meningioma (WC/jensflorian) | |||
</gallery> | </gallery> | ||
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<gallery> | <gallery> | ||
File:Secretory_meningioma_HE_x200.jpg | Secretory granules (WC/jensflorian) | File:Secretory_meningioma_HE_x200.jpg | Secretory granules (WC/jensflorian) | ||
File:Secretory_meningioma_PAS.jpg | PAS-positive secretory granules (WC/jensflorian) | |||
File:Secretory_meningioma_HE_smear.jpg | Smear with secretory granules (WC/jensflorian) | |||
</gallery> | </gallery> | ||
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====Grade II==== | ====Grade II==== | ||
===== | =====Brain invasive meningioma===== | ||
*Invades the brain. | *Invades the brain. | ||
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Microscopic: | Microscopic: | ||
*[[Myxoid]] appearance. | *[[Myxoid]] appearance. | ||
<gallery> | |||
File:Chordoid meningoma HE x200.jpg | Chordoid meningioma - HE (WC/jensflorian) | |||
File:Alcian blue chordoid meningioma.jpg | Chordoid meningioma - alcian blue (WC/jensflorian) | |||
</gallery> | |||
Image: | Image: | ||
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*discohesive meningothelial tumour cells around a fibrovascular core. | *discohesive meningothelial tumour cells around a fibrovascular core. | ||
*perivascular pseudorosettes. | *perivascular pseudorosettes. | ||
<gallery> | |||
File:Papillary meningioma HE.jpg | Papillary meningioma (WC/jensflorian) | |||
File:Pap meningioma.jpg | Papillary meningioma (WC) | |||
</gallery> | |||
=====Rhabdoid meningioma===== | =====Rhabdoid meningioma===== | ||
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**Cross-striations. | **Cross-striations. | ||
<gallery> | <gallery> | ||
Image:Rhabdoid Meningioma Histopathology.jpg | Rhabdoid meningioma. (WC/Marvin 101) | Image:Rhabdoid Meningioma Histopathology.jpg | Rhabdoid meningioma. (WC/Marvin 101) | ||
File:Rhabdoid meningioma frozen section HE.jpg | Frozen section (WC/jensflorian) | |||
</gallery> | </gallery> | ||
www: | www: | ||