This coronal (from the front) ultrasound image obtained through the anterior fontanella shows the normal appearance of the frontal and temporal lobes. The ventricles are not enlarged (no hydrocephalus). The gaps present within the fetal skull (fontanelles) are used as acoustic windows to view the intracranial structures. Ultrasound is commonly and frequently used to image the newborn and young infant because of its ease (machine can be transported to the neonatal ICA easily) and there is no ionizing radiation.
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Album / Science Source / Living Art Enterprises, LLC