Fibrocartilage callus

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]

Comminuted midshaft humerus fracture with callus formation.

See also

References
  1. Mirhadi, Sara; Ashwood, Neil; Karagkevrekis, Babis (2013). "Factors influencing fracture healing". Trauma. 15 (2). doi:10.1177/1460408613486571. Retrieved October 19, 2019.
  • 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
  • Bony+callus at the US National Library of Medicine Medical Subject Headings (MeSH)
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