Gnathodiaphyseal dysplasia with a novel R597I mutation of ANO5: Mandibular reconstruction strategies - 20/10/19
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Abstract |
Gnathodiaphyseal Dysplasia (GDD) is a rare, often misdiagnosed, autosomal-dominant disorder due to point mutations in the ANO5 gene. GDD combines craniofacial fibro-osseous lesions, dental loss and progressive curvature and cortical thickening of long bones and vertebra, causing pathological fractures. Diagnosis is based on bone pathology and mutation screening. Here we report three GDD cases within a single family with a novel ANO5 mutation: c.1790 G > T (p.Arg597Ile, i.e. R597I) on exon 16. Microsurgical mandibular reconstructions were performed in the three cases. We reviewed the literature on jaw reconstruction in this condition and discussed the challenges of craniofacial reconstruction in GDD due to the diffuse bone anomalies affecting potential flap donor zones and a specific risk for jawbone osteomyelitis.
Le texte complet de cet article est disponible en PDF.Keywords : Gnathodiaphyseal dysplasia, Fibro-osseous lesion, Mandibular reconstruction, Free flap, Fibrous dysplasia, ANO5
Plan
Vol 120 - N° 5
P. 428-431 - novembre 2019 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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