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radiographically detectable new subperiosteal bone formed as a reaction to soft tissue or osseous disease.
The laying down of new bone on a specialized connective tissue that covers the surface of a bone after it has been irritated or invaded, e.g., by cancer, infection, or trauma. The new bone is visible radiographically as a thickening, widening, blurring, or spiculation of the bony cortex.
onion skin periosteal reaction
A radiologic sign attributable to a lamellar periosteal reaction in which multiple concentric layers of new bone are laid down.
pertaining to or emanating from the periosteum.
a stage in the development of bone to replace existing cartilage; periosteal bud formation results in the removal of calcified cartilage.
production of new bone by the periosteum in response to injury or irritation.
may occur in association with fractures, damaging vascular supply and delaying callus formation.