Barkova E, Mohan U, Chitayat D, Keating S, Toi A, Frank J, Frank R, Tomlinson G, Glanc P
Department of Medical Imaging, South Shore Regional Hospital, Bridgewater, Nova Scotia, Canada.
Clin Genet. 2015 Apr;87(4):330-7. doi: 10.1111/cge.12434. Epub 2014 Jul 26.
Fetal skeletal dysplasias are a heterogeneous group of rare genetic disorders, affecting approximately 2.4-4.5 of 10,000 births. We performed a retrospective review of the perinatal autopsies conducted between the years 2002-2011 at our center. The study population consisted of fetuses diagnosed with skeletal dysplasia with subsequent termination, stillbirth and live-born who died shortly after birth. Of the 2002 autopsies performed, 112 (5.6%) were diagnosed with skeletal dysplasia. These 112 cases encompassed 17 of 40 groups of Nosology 2010. The two most common Nosology groups were osteogenesis imperfecta [OI, 27/112 (24%)] and the fibroblast growth factor receptor type 3 (FGFR3) chondrodysplasias [27/112 (24%)]. The most common specific diagnoses were thanatophoric dysplasia (TD) type 1 [20 (17.9%)], and OI type 2 [20 (17.9%)]. The combined radiology, pathology, and genetic investigations and grouping the cases using Nosology 2010 resulted in a specific diagnosis in 96 of 112 cases.
胎儿骨骼发育不良是一组异质性罕见遗传疾病,在每10000例出生中约有2.4 - 4.5例受影响。我们对2002年至2011年在我们中心进行的围产期尸检进行了回顾性研究。研究人群包括被诊断为骨骼发育不良并随后终止妊娠、死产以及出生后不久死亡的活产胎儿。在进行的2002例尸检中,112例(5.6%)被诊断为骨骼发育不良。这112例病例涵盖了2010年疾病分类学40组中的17组。两个最常见的疾病分类学组是成骨不全症[OI,27/112(24%)]和成纤维细胞生长因子受体3(FGFR3)软骨发育不良[27/112(24%)]。最常见的具体诊断是1型致死性骨发育不良(TD)[20例(17.9%)]和2型OI[20例(17.9%)]。综合放射学、病理学和遗传学检查,并使用2010年疾病分类学对病例进行分组,在112例病例中有96例得出了具体诊断。