Ewing's sarcoma staging
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Ewing's sarcoma Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Ewing's sarcoma staging On the Web |
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American Roentgen Ray Society Images of Ewing's sarcoma staging |
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Risk calculators and risk factors for Ewing's sarcoma staging |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Suveenkrishna Pothuru, M.B,B.S. [2];Assistant Editor(s)-In-Chief: Michael Maddaleni, B.S.
Overview
Ewing's sarcoma staging
| Primary tumor (T) | |||
| Stage | Finding | ||
| Spine | Pelvis | Appendicular skeleton, trunk, skull, and facial bones | |
| Tx |
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Cannot be assessed | Cannot be assessed |
| T0 | No evidence of primary tumor | No evidence of primary tumor | No evidence of primary tumor |
| T1 | Confined to one vertebral segment or two adjacent vertebral segments | Confined to one pelvic segment with no extraosseous extension | Tumor ≤8 cm in greatest dimension
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| T2 | Confined to three adjacent vertebral segments | Confined to one pelvic segment with extraosseous extension or two segments without extraosseous extension | Tumor >8 cm in greatest dimension
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| T3 | Confined to four or more adjacent vertebral segments, or any nonadjacent vertebral segments | Spanning two pelvic segments with extraosseous extension | Discontinuous tumors in the primary bone site
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| T4 | Extension into the spinal canal or great vessels | Spanning three pelvic segments or crossing the sacroiliac joint | _
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| Regional lymph nodes (N) | |||
| Stage | Finding | ||
| Nx |
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| N0 |
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| N1 |
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| Distant metastasis (M) | |||
| Stage | Finding | ||
| M0 |
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| M1 |
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| M1a |
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| M1b |
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| Histologic grade (G) | |||
| Stage | Finding | ||
| Gx |
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| G1 |
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| G2 |
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| G3 |
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