Cranial ultrasound, also known as a cranial sonogram, is a non-invasive imaging technique used to visualize the brain and other structures within the cranium. It employs high-frequency sound waves to create real-time images and can be particularly useful in assessing conditions affecting the brain in infants, especially in newborns whose fontanelles (soft spots on the skull) are still open, allowing for better ultrasound penetration.
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