Sandbox DL

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Bone or Cartilage Mass Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Danitza Lukac

Overview

Staging

ENNEKING Tumor Staging
Adapted from The Orthopaedic Knowledge Network. 2009 [1]
Grade G0 Benign
G1 Low grade malignant
G2 High grade malignant
Anatomic site T0 Intracapsular
T1 Extracapsular, intracompartmental
T2 Extracapsular, extracompartmental
Metastasis M0 No metastasis
M1 Distant metastasis
ENNEKING Tumor Staging
Adapted from The Orthopaedic Knowledge Network. 2009 [1]
Origin Stages Grade Site Metastasis Description Examples
Benign 1 G0 T0 M0 Benign latent Osteoid osteoma, lipoma
2 G0 T0 M0 Benign active Giant cell tumor, hemangioma
3 G0 T1-T2 M0-M1 Benign aggresive Desmoplastic fibroma, chondroblastoma
Malignant IA G1 T1 M0 Low grade malignant, intracompartmental Low grade intramedullary osteosarcoma, dematofibrosarcoma protuberans
IB G1 T2 M0 Low grade malignant, extracompartmental Parosteal osteosarcoma, hemangioendothelioma
IIA G2 T1 M0 High grade malignant, intracompartmental High grade central osteosarcoma, angiomatoid malignant fibrous histiocytoma
IIB G2 T2 M0 High grade malignant, extracompartmental Ewing sarcoma, high grade osteosarcoma
IIIA G1-G2 T1 M1 Regional metastasis Low grade intramedullary osteosarcoma, low grade synovial sarcoma
IIIB G1-G2 T2 M1 Distant metastasis High grade osteosarcoma, high grade liposarcoma

References

  1. 1.0 1.1 Enneking System for Staging of Benign and Malignant Bone and Soft Tissue Lesion. Orthopaedics One. http://www.orthopaedicsone.com/x/TwAjAQ. Accessed on February 12, 2016