Osteosarcoma staging: Difference between revisions

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*This system inferred the aggressiveness of the primary tumor by the descriptors intracompartmental or extracompartmental.
*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.
*The American Joint Committee on Cancer (AJCC) staging system for malignant bone tumors has updated this staging system, substituting compartmentalization with size.


{| style="border: 0px; font-size: 90%; margin: 3px;" align=center
{| style="border: 0px; font-size: 90%; margin: 3px;" align=center
|+ '''TNM staging of osteosarcoma'''
|+ '''TNM staging of osteosarcoma'''
! style="background: #4682B4; color:#FFF;" | Stage
! style="background: #4682B4; color:#FFF;" | Tumor grade
! style="background: #4682B4; color:#FFF;" | Tumor size
|-
| style="padding: 5px 5px; background: #e4e4e4;" | IA
| style="padding: 5px 5px; background: #e4e4e4;" | Low
| style="padding: 5px 5px; background: #e4e4e4;" | < 8 cm
|-
| style="padding: 5px 5px; background: #e4e4e4;" | IB
| style="padding: 5px 5px; background: #e4e4e4;" | Low
| style="padding: 5px 5px; background: #e4e4e4;" | > 8 cm
|-
| style="padding: 5px 5px; background: #e4e4e4;" | IIA
| style="padding: 5px 5px; background: #e4e4e4;" | High
| style="padding: 5px 5px; background: #e4e4e4;" | < 8 cm
|-
| style="padding: 5px 5px; background: #e4e4e4;" | IIB
| style="padding: 5px 5px; background: #e4e4e4;" | High
| style="padding: 5px 5px; background: #e4e4e4;" | > 8 cm
|-
| style="padding: 5px 5px; background: #e4e4e4;" | III
| style="padding: 5px 5px; background: #e4e4e4;" | Any tumor grade, skip metastases
|-
| style="padding: 5px 5px; background: #e4e4e4;" | IV 
| style="padding: 5px 5px; background: #e4e4e4;" | Any tumor grade, any tumor size, distant metastases
|}
{| style="border: 0px; font-size: 90%; margin: 3px;" align=center
! style="background: #4682B4; color:#FFF;" | Stage
! style="background: #4682B4; color:#FFF;" | Stage
! style="background: #4682B4; color:#FFF;text-align: center;" | Tumor Grade
! style="background: #4682B4; color:#FFF;text-align: center;" | Tumor Grade

Revision as of 15:16, 25 September 2015

Osteosarcoma Microchapters

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Overview

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Differentiating Osteosarcoma from other Diseases

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Risk calculators and risk factors for 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.


TNM staging of osteosarcoma
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

References

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