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Obstetrics » Obstetrics 2nd And 3rd Trimester
Osteogenesis Imperfecta with Agenesis of Corpus Callosum
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Presentation A 23 years old primagravida presented for routine sonographic scan with no significant complaints. According to the patient, menstrual age was approximately 30 weeks.
Caption: Oblique fetal cranium
Description: The cavum septum pellucidum was not seen. There is wide separation of the frontal horns of the lateral ventricles and anterior displacement of third ventricle, producing a butterfly appearance.
Caption: Axial fetal cranium
Description: The skull shape was distorted with splaying of sutures.
Caption: Long axis fetal femur
Description: The femur is fractured at the site indicated by the caliper.
Caption: Long axis fetal femur
Description: The other femur exhibits an older fracture with callus formation
Caption: Axial fetal cranium
Description: The ventricles appeared prominent with more prominence of the occipital horns.(“tear drop appearance”) Separation of the choroid plexus from medial wall was 7mm although the maximum atrial size was 9mm.
Caption: Real time video clip
Description: Osteogenesis imperfecta, agenesis of the corpus callosum
Differential Diagnosis IUGR
skeletal anomaly
osteogenesis imperfecta
brain developmental anomaly
Final Diagnosis agenesis of the corpus callosum
osteogenesis imperfecta
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