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→Brain invasive meningioma: Image + prognosis added
Jensflorian (talk | contribs) (SSTr2A DDx) |
Jensflorian (talk | contribs) (→Brain invasive meningioma: Image + prognosis added) |
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====Grade II==== | ====Grade II==== | ||
=====Brain invasive meningioma===== | =====Brain invasive meningioma===== | ||
*Invades the brain. | *Invades the brain (irregular, tongue-like). | ||
*Absence of leptomeningeal layer. | |||
*Brain invasion can be present in grade I tumors, these are then classified as "atypical". | |||
*Recent data indicates that tumors with brain invasion do not show a course similiar to grade II meningiomas.<ref>{{Cite journal | last1 = Baumgarten | first1 = P. | last2 = Gessler | first2 = F. | last3 = Schittenhelm | first3 = J. | last4 = Skardelly | first4 = M. | last5 = Tews | first5 = DS. | last6 = Senft | first6 = C. | last7 = Dunst | first7 = M. | last8 = Imoehl | first8 = L. | last9 = Plate | first9 = KH. | title = Brain invasion in otherwise benign meningiomas does not predict tumor recurrence. | journal = Acta Neuropathol | volume = 132 | issue = 3 | pages = 479-81 | month = Sep | year = 2016 | doi = 10.1007/s00401-016-1598-1 | PMID = 27464983 }}</ref> | |||
Images: | Images: | ||
*[http://moon.ouhsc.edu/kfung/jty1/Composites/FNA0IE18-Meningioma-Invasion.htm Meningioma with brain invasion (ouhsc.edu)]. | *[http://moon.ouhsc.edu/kfung/jty1/Composites/FNA0IE18-Meningioma-Invasion.htm Meningioma with brain invasion (ouhsc.edu)]. | ||
<gallery> | |||
File:Brain invasion meningioma.jpg | Finger-like protrusions, HE (WC/jensflorian) | |||
File:Meningioma - brain invasion - very high mag.jpg | Brain invasive meningooma (WC/Nephron) | |||
</gallery> | |||
=====Clear cell meningioma===== | =====Clear cell meningioma===== | ||