The technique of direct multiplanar high resolution CT of the temporal bone

The technique of direct multiplanar high resolution CT opens new possibilities for detecting even the smallest lesions of the central nervous system and its coverings. The prerequisites are: Submillimetre spatial resolution. Thin slice thickness collimation. Sufficient radiation dose to keep the noi...

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Bibliographic Details
Published in:Neurosurgical review 1985-03, Vol.8 (1), p.5-13
Main Author: ZONNEVELD, F
Format: Article
Language:English
Subjects:
Biological and medical sciences
Facial Nerve - diagnostic imaging
Humans
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Otorhinolaryngology. Stomatology. Orbit
Posture
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Temporal Bone - diagnostic imaging
Tomography, X-Ray Computed - methods
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Summary:The technique of direct multiplanar high resolution CT opens new possibilities for detecting even the smallest lesions of the central nervous system and its coverings. The prerequisites are: Submillimetre spatial resolution. Thin slice thickness collimation. Sufficient radiation dose to keep the noise in the image around about 1%. No waiting time between scans other than short reconstruction times, or use of rapid sequence scan procedures. Possibility to position patients and immobilize them for direct scanning of coronal and sagittal planes without significantly reducing the patient's comfort. Possibility of using optional algorithms which improve spatial resolution further (MacroView) in order to bring out very fine details. This article describes the technique we have used in order to fulfil these prerequisites and also gives a few results relating to the imaging of the facial nerve canal.
ISSN:0344-5607
1437-2320
DOI:10.1007/BF01744873