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Fibrocartilage callus

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This article needs more medical references for verification or relies too heavily on primary sources. Please review the contents of the article and add the appropriate references if you can. Unsourced or poorly sourced material may be challenged and removed.Find sources: "Fibrocartilage callus" – news · newspapers · books · scholar · JSTOR (June 2019)
Comminuted midshaft humerus fracture with callus formation.
Comminuted midshaft humerus fracture with callus formation.

A fibrocartilage callus is a temporary formation of fibroblasts and chondroblasts which forms at the area of a bone fracture as the bone attempts to heal itself. The cells eventually dissipate and become dormant, lying in the resulting extracellular matrix that is the new bone. The callus is the first sign of union visible on x-rays, usually 3 weeks after the fracture. Callus formation is slower in adults than in children, and in cortical bones than in cancellous bones.[1]

See also


  1. ^ Mirhadi, Sara; Ashwood, Neil; Karagkevrekis, Babis (2013). "Factors influencing fracture healing". Trauma. 15 (2): 140–155. CiteSeerX doi:10.1177/1460408613486571.
  • Morgan, Elise F., et al. “Overview of Skeletal Repair (Fracture Healing and Its Assessment).” Methods in Molecular Biology Skeletal Development and Repair, 2014, pp. 13–31. doi:10.1007/978-1-62703-989-5_2
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Fibrocartilage callus
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