Might Trauma Be a Triggering Factor for Craniofacial Fibrous Dysplasia?

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Abstract

Fibrous dysplasia (FD) is a rare, benign disease of unclear etiology where normal bone is replaced with abnormal fibrous and weak osseous tissue. Any bone of the skeleton might be involved but skull is one of the most commonly affected sites. Fibrous dysplasia is known to be caused by a genetic mutation leading to inappropriate proliferation and differentiation of osteoblastic cells. However; it is not known whether any triggering factor exists which might contribute to this genetic mutation. The authors postulated that trauma might be a triggering factor for this disease. Trauma, as a triggering factor, has not been reported to be clearly linked to FD in the literature so far. Through this perspective; the authors report a patient of fronto-orbital fibrous dysplasia developing 6 years after a fronto-orbital skull fracture, at the same localization of the fracture line.

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