Spanish onion (photo)

Case contributed by A.Prof Frank Gaillard

Spanish onion demonstrating alternating layers reminiscent of onion-skin periosteal reaction.

Photo credit: Dr Frank Gaillard

Case Discussion

Multilayered periosteal reaction, also known as a lamellated or onion skin periosteal reaction, demonstrates multiple concentric parallel layers of new bone adjacent to the cortex, reminiscent of the layers on an onion.

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Case information

rID: 36439
Published: 30th Apr 2015
Last edited: 13th Aug 2019
Inclusion in quiz mode: Excluded

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