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Difference between revisions of "Meningioma"
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Meningioma_high_mag.jpg | |||
| Width = | |||
| Caption = Meningioma. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = whorled appearance, calcification - [[psammoma bodies|psammomatous]], +/-[[nuclear pseudoinclusions]] | |||
| Subtypes = Grade I (meningothelial, fibrous, transistional, psammomatous, angiomatous, microcystic, secretory, lymphoplasmacyte-rich, metaplastic), Grade II (invasive, clear cell, chordoid), Grade III (papillary, rhabdoid) | |||
| LMDDx = [[schwannoma]], [[solitary fibrous tumour]], others | |||
| Stains = | |||
| IHC = EMA +ve, keratins usu. -ve, CD34 -ve/+ve, S-100 -ve (usu.), PR +ve (-ve in more aggressive ones) | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = | |||
| Site = see ''[[CNS tumours]]'' | |||
| Assdx = | |||
| Syndromes = [[Neurofibromatosis|neurofibromatosis 2]], [[nevoid basal cell carcinoma syndrome]],[[Cowden syndrome]] | |||
| Clinicalhx = +/-radiation | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = common | |||
| Bloodwork = | |||
| Rads = extra-axial, intradural lesion | |||
| Endoscopy = | |||
| Prognosis = usually benign, dependent on grade | |||
| Other = | |||
| ClinDDx = | |||
| Tx = | |||
}} | |||
'''Meningioma''' a very common [[CNS tumours|tumour]] in [[neuropathology]]. | '''Meningioma''' a very common [[CNS tumours|tumour]] in [[neuropathology]]. | ||
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DDx: | DDx: | ||
*[[Schwannoma]] - | *[[Schwannoma]] - especially at [[CP angle]]. | ||
*[[Solitary fibrous tumour]]. | |||
*[[Hemangiopericytoma]]. | |||
*Others - see subtypes. | |||
===Images=== | ===Images=== | ||