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Difference between revisions of "Meningioma"
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*Calcification, psammomatous (target-like appearance; (tight) onion skin). | *Calcification, psammomatous (target-like appearance; (tight) onion skin). | ||
*+/-[[Nuclear pseudoinclusions]] - focal nuclear clearing with a sharp interface to unremarkable chromatin. | *+/-[[Nuclear pseudoinclusions]] - focal nuclear clearing with a sharp interface to unremarkable chromatin. | ||
Notes: | Notes: | ||
*May involute into benign sclerotic tissue.<ref>URL: [http://radiographics.rsna.org/content/23/3/785.long http://radiographics.rsna.org/content/23/3/785.long]. Accessed on: 3 November 2010.</ref> | *May involute into benign sclerotic tissue.<ref>URL: [http://radiographics.rsna.org/content/23/3/785.long http://radiographics.rsna.org/content/23/3/785.long]. Accessed on: 3 November 2010.</ref> | ||
*Thick-walled blood vessels | *Thick-walled blood vessels -> think [[schwannoma]]. | ||
DDx: | |||
*[[Schwannoma]] - esp. at [[CP angle]]. | |||
===Images=== | |||
<Gallery> | |||
Image:Meningioma_high_mag.jpg | Meningioma - high mag. (WC) | |||
Image:Meningioma_intermed_mag.jpg | Meningioma - intermed. mag. (WC) | |||
Image:Meningioma_-_brain_invasion_-_intermed_mag.jpg | Meningioma with brain invasion - intermed. mag. (WC) | |||
Image:Meningioma_-_brain_invasion_-_high_mag.jpg | Meningioma with brain invasion - high mag. (WC) | |||
</gallery> | |||
www: | |||
*[http://www.neuropathologyweb.org/chapter7/chapter7dMiscellaneous.html Meningioma (neuropathologyweb.org)]. | |||
*[http://path.upmc.edu/cases/case702.html Extra-dural meningioma (upmc.edu)]. | |||
===Morphologic subtypes=== | ===Morphologic subtypes=== | ||