Artifacts seen commonly on ultrasonography of the fetal cranium.
Common artifacts seen during ultrasound examination of the fetal cranium and that may simulate pathology include hypoechoic parenchyma, noise in the near field, focal sonolucent areas, reverberation echoes and shadowing from portions of the skull base. Specific techniques can help one recognize, decrease or eliminate them.
D001921:Brain / Q000033:anatomy & histology; D005260:Female; D005333:Fetus / Q000033:anatomy & histology*; D006801:Humans; D011247:Pregnancy; D012886:Skull / Q000033:anatomy & histology*; D014465:Ultrasonics