Osteosarcoma staging: Difference between revisions
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! Stage | ! Stage | ||
! style="background: #4682B4; color:#FFF;text-align: center;" | Tumor Grade | ! style="background: #4682B4; color:#FFF;text-align: center;" | Tumor Grade | ||
! style="text-align: center;" | Tumor Size | ! style="background: #4682B4; color:#FFF;text-align: center;" | Tumor Size | ||
|- | |- | ||
| IA | | IA | ||
| style="text-align: center;" | Low | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | Low | ||
| style="text-align: center;" | <8 cm | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | <8 cm | ||
|- | |- | ||
| IB | | IB | ||
| style="text-align: center;" | Low | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | Low | ||
| style="text-align: center;" | >8 cm | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | >8 cm | ||
|- | |- | ||
| IIA | | IIA | ||
| style="text-align: center;" | High | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | High | ||
| style="text-align: center;" | <8 cm | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | <8 cm | ||
|- | |- | ||
| IIB | | IIB | ||
| style="text-align: center;" | High | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | High | ||
| style="text-align: center;" | >8 cm | | style="padding: 5px 5px; background: #e4e4e4;text-align: center;" | >8 cm | ||
|- | |- | ||
| III | | III |
Revision as of 15:06, 25 September 2015
Osteosarcoma Microchapters |
Diagnosis |
---|
Treatment |
Case Studies |
Osteosarcoma staging On the Web |
American Roentgen Ray Society Images of Osteosarcoma staging |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Suveenkrishna Pothuru, M.B,B.S. [2]
Overview
Staging
- Historically, the Enneking staging system for skeletal malignancies was widely used.
- This system inferred the aggressiveness of the primary tumor by the descriptors intracompartmental or extracompartmental.
- The American Joint Committee on Cancer (AJCC) staging system for malignant bone tumors has updated this staging system, substituting compartmentalization with size.
Stage | Tumor grade | Tumor size |
---|---|---|
IA | Low | < 8 cm |
IB | Low | > 8 cm |
IIA | High | < 8 cm |
IIB | High | > 8 cm |
III | Any tumor grade, skip metastases | |
IV | Any tumor grade, any tumor size, distant metastases |
Stage | Tumor Grade | Tumor Size |
---|---|---|
IA | Low | <8 cm |
IB | Low | >8 cm |
IIA | High | <8 cm |
IIB | High | >8 cm |
III | Any tumor grade, skip metastasesb | |
IV | Any tumor grade, any tumor size, distant metastases |