Objective: To describe our 2 year experience in diagnosing prenatal-onset osteogenesis imperfecta (OI) by multidisciplinary assessment.
Methods: We retrospectively analyzed 10 cases of fetal OI by using prenatal ultrasound evaluation, postnatal radiographic diagnosis, and molecular genetic testing of COL1A1/2.
Results: By postnatal radiographic examination, five patients were diagnosed with type II OI and five were diagnosed with type III OI. A causative variant in the COL1A1 gene was found in four cases of type II and one case of type III OI; a causative variant in the COL1A2 gene was found in two cases of type III OI.
Conclusion: The definitive diagnosis of fetal OI should be accomplished using a multidisciplinary assessment, which is paramount for proper genetic counseling. With the discovery of COL1A1/2 gene variants as a cause of OI, sequence analysis of these genes will add to the diagnostic process.
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| http://dx.doi.org/10.3109/15513815.2014.962198 | DOI Listing |
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