Enneking proposed a staging system for musculoskeletal sarcomas.
Grades of malignancy:
(1) G1: low grade
(2) G2: high grade
Local Growth
Intraosseous Tumor
Surface Tumor
T1 (intracompartmental)
confined to the intramedullary portion of the bone without breaching the cortex
confined to surface of bone
T2 (extracompartmental)
tumor extends beyond the cortex to invade into adjacent soft tissue or joint
inward invasion to involve the medullary cavity, OR outward extension to involve adjacent soft tissue
Tumor Grade
Tumor Involvement
Stage
G1
T1
IA
T2
IB
G2
IIA
IIB
G1 or G2
metastasis
III
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Specialty: Hematology Oncology, Surgery, general, Surgery, orthopedic
ICD-10: ,
