Onion skin periosteal reaction

Onion skin periosteal reaction also known as multilayered periosteal reaction or lamellated periosteal reaction refers to the multi layered concentric layers of new bone adjacent to the bone cortex. It is called onion skin periosteal reaction because it resembles the layers of an onion. These layers are formed due to any pathological process that leads to the variable, excessive growth of the bone.[1] Onion skin periosteal reaction is seen in osteosarcoma,[2] Ewing sarcoma and Langerhans cell histiocytosis.[3] In radiological images, onion skin periosteal reaction is seen as radiolucent areas along the multiple layers of dense bone.[4] The lucent areas may be occupied by tumors or inflammation.

References

  1. ↑ Bisseret, Damien; Kaci, Rachid; Lafage-Proust, Marie-Hélène; Alison, Marianne; Parlier-Cuau, Caroline; Laredo, Jean-Denis; Bousson, Valérie (1 March 2015). "Periosteum: Characteristic imaging findings with emphasis on radiologic-pathologic comparisons". Skeletal Radiology. 44 (3): 321–338. doi:10.1007/s00256-014-1976-5. ISSN 1432-2161. PMID 25269751. S2CID 10642949. Retrieved 23 January 2022.
  2. ↑ "Magnetic resonance imaging in the evaluation of periosteal reactions" (PDF). Retrieved 23 January 2022.
  3. ↑ Rana, Rich S.; Wu, Jim S.; Eisenberg, Ronald L. (1 October 2009). "Periosteal Reaction". American Journal of Roentgenology. 193 (4): W259–W272. doi:10.2214/AJR.09.3300. ISSN 0361-803X. PMID 19770293. S2CID 19394706. Retrieved 23 January 2022.
  4. ↑ Maia Ferreira Alencar, Carlos Henrique; Sampaio Silveira, Cláudio Régis; Cavalcante, Matheus Martins; Maia Vieira, Clarissa Gadelha; Diógenes Teixeira, Manoel Joaquim; Neto, Francisco Andrade; de Abreu, Armando; Chhabra, Avneesh (27 August 2020). ""Periosteum: An imaging review"". European Journal of Radiology Open. 7: 100249. doi:10.1016/j.ejro.2020.100249. ISSN 2352-0477. PMC 7475123. PMID 32923528.
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