Ultrasound of Fetal Skeletal Dysplasias
S Gilani · Ultraschall in der Medizin - European Journal of Ultrasound · 2008 · Heft 05
Bibliografische Angaben
Zusammenfassung
Lethal dysplasias can present with dramatic ultrasound findings · High level of intrinsic contrast allows bones to be the first structures to be seen first · Ossification starts: Clavicles & mandibles @ 8 wks, Primary ossification centres in long bones, scapulae, ilia, phalanges @ 11–12 weeks, Ischium, metatarsals @ 12 weeks, Pubis, calcaneous, talus @ 20–24 weeks, DFE @ 29–34 weeks, PTE 35 weeks Causes of Small Femur; Measurement error, Incorrect gestational age, Normal small fetus · Symmetric IUGR, Chromosomal disorder, Skeletal dypslasia, Femoral hypoplasia, Femur-fibula-ulna syndrome Technical considerations…