Cranial ultrasound
Brain scan technique using high-frequency sound waves
Cranial ultrasound is a technique for scanning the brain using high-frequency sound waves. It is used almost exclusively in babies because their fontanelle provides an "acoustic window".
A different form of ultrasound-based brain scanning, transcranial Doppler, can be used in any age group. This uses Doppler ultrasound to assess blood flow through the major arteries in the brain, and can scan through bone. It is not usual for this technique to be referred to simply as "cranial ultrasound". Additionally, cranial ultrasound can be used for intra-operative imaging in adults undergoing neurosurgery once the skull has been opened, for example to help identify the margins of a tumour.
“Cranial ultrasound” enters the record as brain scan technique using high-frequency sound waves. Crown Archives preserves that source wording while asking what Cranial, ultrasound and Brain can confirm, complicate or overturn.
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This entry incorporates text from “Cranial ultrasound” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.