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Diagnostic procedures on skull, brain, and cerebral meninges ( 01.10 ) Intracranial pressure monitoring ( 01.11 ) Closed [percutaneous] [needle] biopsy of cerebral meninges
Cranial ultrasound is a technique for scanning the brain using high-frequency sound waves. It is used almost exclusively in babies because their fontanelle (the soft spot on the skull) provides an "acoustic window". A different form of ultrasound-based brain scanning, transcranial Doppler, can be used in any age group.
4D functional ultrasound imaging (4D fUS) means fUS imaging of a 3D region of the brain over time. Some researchers conducted 4D fUS of whole-brain activity in rodents. Currently, two different technological solutions are proposed for the acquisition of 3D and 4D fUS data, each with its own advantages and drawbacks. [14]
In the early 2000s, the field of neuroimaging reached the stage where limited practical applications of functional brain imaging have become feasible. The main application area is crude forms of brain–computer interface. The world record for the spatial resolution of a whole-brain MRI image was a 100-micrometer volume (image) achieved in 2019.
The anterior clinoid process projects over the internal carotid artery, which supplies the majority of blood to the brain. Because of the "spear-like" shape of the ACP and the large size of this artery, it is possible (though rare) that as a complication of major head trauma, the ACP may puncture the vessel and cause intracranial hemorrhage. [4]
CT scans of patients with a tension pneumocephalus typically show air that compresses the frontal lobes of the brain, which results in a tented appearance of the brain in the skull known as the Mount Fuji sign. [1] [2] [3] The name is derived from the resemblance of the brain to Mount Fuji in Japan, a volcano
The calvaria is the top part of the skull. It is the superior part of the neurocranium and covers the cranial cavity containing the brain. It forms the main component of the skull roof. The calvaria is made up of the superior portions of the frontal bone, occipital bone, and parietal bones. [1]
Technetium (99m Tc) sestamibi (commonly sestamibi; USP: technetium Tc 99m sestamibi; trade name Cardiolite) is a pharmaceutical agent used in nuclear medicine imaging.The drug is a coordination complex consisting of the radioisotope technetium-99m bound to six (sesta=6) methoxyisobutylisonitrile (MIBI) ligands.