“ Benign (never malignant) Aggressive (may not be malignant) Soap bubble Thick/dense Wavy Codman’s triangle (periosteum elevated) Lamellate...
“
| Benign (never malignant) | Aggressive (may not be malignant) |
|---|---|
| Soap bubble Thick/dense Wavy | Codman’s triangle (periosteum elevated) Lamellated Multi-layered ‘onion skin’ Sunray Spiculated, ‘hair on end |
Note: The periosteum has time to form new periosteum in benign processes, hence the periosteum is thickened and dense.
There is no time for the periosteum to consolidate in aggressive disease.
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