Enneking classification
Primary spinal tumors
Classification
Grade
| Benign lesion: | G0 |
| Low grade malignant lesion: | G1 |
| High grade malignant lesion: | G2 |
Tumor spread and infiltration
| Benign lesion; compartment confined: | T0 |
| Benign aggressive or malignant lesion; compartment confined: | T1 |
| Benign aggressive or malignant lesion; spread beyond compartment of origin: | T2 |
Metastases
| No metastases: | M0 |
| Regional or distant metastases: | M1 |
Interpretation
Benign lesions
| Benign latent (G0T0M0): | Stage 1 |
| Benign active (G0T0M0): | Stage 2 |
| Benign aggressive (G0T1-2M0-1): | Stage 3 |
Malignant lesions
| Low Grade (G1T0M0): | Stage IA |
| Low Grade (G1T1M0): | Stage IB |
| High Grade (G2T1M0): | Stage IIA |
| High Grade (G2T2M0): | Stage IIB |
| Metastatic (G1-2T0-1-2M1): | Stage III |
Reference(s)
Davis JH. Anatomical classification and surgical considerations: primary spinal tumours an overview. SA Orthopaedic Journal 2011; 10:26-30.