Meningioma classification: Difference between revisions
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:*Atypical meningioma (WHO grade 2) are not clearly [[malignant]], but grow faster than benign meningiomas. | :*Atypical meningioma (WHO grade 2) are not clearly [[malignant]], but grow faster than benign meningiomas. | ||
:*Anaplastic malignant meningioma (WHO grade 3) tend to grow rapidly and invade the surrounding tissue.<ref name="C">Meningioma. Canadian Cancer Society(2015) http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb Accessed on September, 25th 2015</ref> | :*Anaplastic malignant meningioma (WHO grade 3) tend to grow rapidly and invade the surrounding tissue.<ref name="C">Meningioma. Canadian Cancer Society(2015) http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb Accessed on September, 25th 2015</ref> | ||
*The table below lists the subtypes of meningioma according to the WHO grades:<ref name="Wiki">Meningioma diagnosi. Wikipedia(2015) https://en.wikipedia.org/wiki/Meningioma#History_and_nomenclature Accessed on September, 25th 2015</ref><ref name="L">Meningioma. Liberpathology(2015) http://librepathology.org/wiki/index.php/Meningioma#Quick_overview Accessed on September, 25th 2015</ref><ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref> | *The table below lists the subtypes of meningioma according to the WHO grades:<ref name="Wiki">Meningioma diagnosi. Wikipedia(2015) https://en.wikipedia.org/wiki/Meningioma#History_and_nomenclature Accessed on September, 25th 2015</ref><ref name="L">Meningioma. Liberpathology(2015) http://librepathology.org/wiki/index.php/Meningioma#Quick_overview Accessed on September, 25th 2015</ref><ref name="C">Meningioma. Canadian Cancer Society http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb September, 25th 2015</ref> | ||
Revision as of 15:10, 1 October 2015
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Meningioma Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Meningioma classification On the Web |
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American Roentgen Ray Society Images of Meningioma classification |
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Risk calculators and risk factors for Meningioma classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]
Overview
Meningioma may be classified according to the histological criteria of the WHO into 3 groups: benign classic meningioma (WHO grade 1), atypical meningioma (WHO grade 2), and anaplastic malignant meningioma (WHO grade 3). Meningioma may also be classified according to the tumor location into 2 main subtypes: intradural and extradural meningioma.[1][2]
Classification
- Meningioma may be classified according to the histological criteria of the WHO into 3 groups: benign classic meningioma (WHO grade 1), atypical meningioma (WHO grade 2), and anaplastic malignant meningioma (WHO grade 3).[1][2]
- Benign classic meningiomas are low-grade (WHO grade I) tumors that grow very slowly and rarely invade the surrounding tissues.
- Atypical meningioma (WHO grade 2) are not clearly malignant, but grow faster than benign meningiomas.
- Anaplastic malignant meningioma (WHO grade 3) tend to grow rapidly and invade the surrounding tissue.[3]
| WHO grade | Subtypes |
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Benign classic meningioma |
Meningothelial meningioma, fibroblastic meningioma, transitional meningioma, psammomatous, |
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Atypical meningioma |
Choroid meningioma, clear cell meningioma |
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Anaplastic malignant meningioma |
Rhabdoid meningioma, papillary meningioma |
- Meningioma may also be classified according to the tumor location into 2 main subtypes: intradural and extradural meningioma.[1][2]
References
- ↑ 1.0 1.1 1.2 1.3 Meningioma diagnosi. Wikipedia(2015) https://en.wikipedia.org/wiki/Meningioma#History_and_nomenclature Accessed on September, 25th 2015
- ↑ 2.0 2.1 2.2 2.3 Meningioma. Liberpathology(2015) http://librepathology.org/wiki/index.php/Meningioma#Quick_overview Accessed on September, 25th 2015
- ↑ 3.0 3.1 Meningioma. Canadian Cancer Society(2015) http://www.cancer.ca/en/cancer-information/cancer-type/brain-spinal/brain-and-spinal-tumours/meningioma/?region=mb Accessed on September, 25th 2015