Meningiomas: grading
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Meningiomas: grading. Low grade, Meningothelial, Fibrous (fibroblastic), Transitional (mixed), Psammomatous. Fully referenced neurology checklist.
WHO grade I: 65-80% of cases
- Low grade
- Meningothelial
- Fibrous (fibroblastic)
- Transitional (mixed)
- Psammomatous
- Angiomatous
- Microcystic
- Secretory
- Lymphoplasmacyte-rich
- Metaplastic
WHO grade II: 20-35% of cases
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WHO grade III: <3% of cases
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Differential diagnosis
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References
- Rogers L, Barani I, Chamberlain M, et al. Meningiomas: knowledge base, treatment outcomes, and uncertainties. A RANO review. J Neurosurg 2015; 122:4-23.
- Claus EB, Calvocoressi L, Bondy ML, Schildkraut JM, Wiemels JL, Wrensch M. Dental x-rays and risk of meningioma. Cancer 2012; 118:4530-4537.
- Raguž M, Mudrovčić Y, Dlaka D, et al. Primary dural lymphoma mimicking meningioma: a clinical and surgical case report. J Surg Case Rep 2018; 2018:rjy189.
- Li J, Lei C, Richard SA, Liu Y. Giant solitary primary intracranial lymphoma masquerading as meningioma: a case and review of literature. Pan Afr Med J 2017; 28:196.
