Download Ch 1 Basic Imaging Principles

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Transcript
Projection Radiography
Projection of a 3-D object onto a 2-D image using xrays pulse in uniform cone beam geometry.
Different Modalities
• Routine diagnostic radiography: x-rays,
fluoroscopy, motion tomography.
• Digital radiography
• Angiography
• Neuroradiology
• Mobile x-ray systems
• Mammography
attenuated
x-rays
Body
Scintillator
light
x-ray x-rays
tube
Bones block x-rays more than soft tissues
Film