Brachytelephalangic chondrodysplasia punctata is a rare congenital skeletal dysplasia. Within the heterogeneous group of chondrodysplasia punctata, the brachytelephalangic type is noteworthy because it has a better prognosis than do the other types. We report a case of brachytelephalangic chondrodysplasia punctata diagnosed by ultrasound imaging at 30 weeks' gestation; it was associated with polyhydramnios and a normal cervical spinal canal. Imaging features are described and differential diagnosis with other forms of chondrodysplasia punctata is discussed.
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