Medulloblastoma staging: Difference between revisions
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|style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |T4 ||style="font-size: 100; padding: 0 5px; background: #F5F5F5" align=left | Tumor size >3 cm in diameter with extension past aqueduct of Sylvius or down past foramen magnum | |style="font-size: 100; padding: 0 5px; background: #B8B8B8" align=left |T4 ||style="font-size: 100; padding: 0 5px; background: #F5F5F5" align=left | Tumor size >3 cm in diameter with extension past aqueduct of Sylvius or down past foramen magnum | ||
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===N:Regional Lymph Nodes=== | ===N:Regional Lymph Nodes=== | ||
*An N classification cannot be applied to medulloblastoma. | *An N classification cannot be applied to medulloblastoma. | ||
Revision as of 20:29, 29 September 2015
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Medulloblastoma Microchapters |
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Diagnosis |
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Treatment |
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Case studies |
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Medulloblastoma staging On the Web |
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American Roentgen Ray Society Images of Medulloblastoma staging |
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Risk calculators and risk factors for Medulloblastoma staging |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]
Overview
TNM Classification of Medulloblastoma
T: Primary Tumor
| T | Description |
| TX | Primary tumor cannot be assessed |
| T0 | There is no evidence of primary tumor |
| T1 | Tumor size <3 cm in diameter |
| T2 | Tumor size ≥3 cm in diameter with no evidence of extension |
| T3a | Tumor size >3 cm in diameter with extension into aqueduct of Sylvius or foramen of Luschka |
| T3b | Tumor size >3 cm in diameter with definite spread into the brain stem |
| T4 | Tumor size >3 cm in diameter with extension past aqueduct of Sylvius or down past foramen magnum |
N:Regional Lymph Nodes
- An N classification cannot be applied to medulloblastoma.