Radiologic Criteria of Benign and Aggressive Lesions
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| Criteria | Benign | Primary aggressive | Secondary aggressive |
| Age (decades) | 1-3 | 1-7 | 4-7 |
| Size | | | |
| 0-6cm | +++ | + | + |
| 6+cm | + | +++ | +++ |
| Monostotic | +++ | +++ | ++ |
| Polystotic | + | + | +++ |
| Cortical destruction | ---- | +++ | +++ |
| Periosteal reaction | | | |
| Solid | +++ | + | ---- |
| Laminated | ++ | ++ | ---- |
| Spiculated | ---- | +++ | + |
| Codman’s | ++ | ++ | + |
| Destruction | | | |
| Geographical | +++ | + | ---- |
| Moth-eaten | ---- | +++ | +++ |
| Permeative | ---- | +++ | +++ |
| Margins | | | |
| Sharp | +++ | + | + |
| Imperceptible | ---- | +++ | +++ |
| Matrix | +++ | ++ | ---- |
| Soft tissue mass | ---- | +++ | + |
| Joint space | ---- | ---- | ---- |
Category: Tumors Revision
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