Table 4 Capanna criteria
From: Treatment of simple bone cysts of the humerus by intramedullary nailing and steroid injection
Classification | Clinical manifestation |
|---|---|
Grade 1 | Completely healing, fully filled with bone |
Grade 2 | Partially healing, with a small residual cystic area remains |
Grade 3 | Partially healing, with a large residual cystic area remains |
Grade4 | Partially healing, with response |