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Computerized Axial Tomography with the EMI Scanner
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1974
Year
Computed TomographyCt ScanningComputerized Axial TomographicNeuro-oncologyEmi ScannerEmi Brain ScannerCt ScanNeurologyInstrumentationRadiologyHealth SciencesImaging AnatomyReconstruction TechniqueMedical ImagingNeuroimagingRadiologic ImagingRadiographic ImagingDiagnostic NeuroradiologyBiomedical ImagingMedicineTomography
The results of 300 computerized axial tomographic (CT scanning) examinations are reviewed. This new technique involves the use of an EMI brain scanner. The patient's head is placed in a “cap” which projects into a water-containing box, and the head is scanned with a slit x-ray beam. A completed study consists of 28,000 absorption values which are analyzed by density. Certain physical properties of normal cerebral tissue and many pathological lesions, including gliomas, meningiomas, metastatic neoplasms, craniopharyngiomas, pituitary adenomas, and others, can be evaluated. The accuracy of CT scanning is exceptional. It is anticipated that this safe noninvasive method will decrease use of such techniques as cerebral angiography and pneumography.