Information About Radiology
Category Radiation Type Term Scatter Radiation Definition of Scatter Radiation Secondary Radiation Deflected From Patient Or Objects That Degrades Image Contrast And Exposes Staff Notes About Scatter Radiation Reduced By Collimation And Grids
Category Radiation Type Term Gamma Emission Definition of Gamma Emission High Energy Photon Emitted During Nuclear Transition Notes About Gamma Emission Primary Signal For SPECT Imaging
Category Radiation Type Term Beta Plus Emission (Positron) Definition of Beta Plus Emission (Positron) Emission Of A Positron That Annihilates With An Electron Producing Two 511 KeV Photons Notes About Beta Plus Emission (Positron) Basis For PET Imaging
Category Radiation Type Term Secondary Radiation Definition of Secondary Radiation Radiation Produced By Interaction Of Primary Beam With Matter Including Scatter And Leakage Notes About Secondary Radiation Considered In Shielding Design