TABLE 4

Surgical Staging System by Enneking et al. (20)

Tumor gradeTumor siteStage
LowIntracompartmental*IA
LowExtracompartmental†IB
HighIntracompartmentalIIA
HighExtracompartmentalIIB
Low or highMetastasis (regional or distant)III

  • ↵* Intramedullary without breaching cortex.

  • ↵† Tumor extends beyond cortex.

  • Only 2 tumor grades are used, either high or low.