Henry David Thoreau Quotes. Our life is frittered away by detail... simplify, simplify. Henry David Thoreau. Author Profession: Author. Nationality: American Quotes. Born: July 12, 1817.
Quick Answer. Attenuation refers to how dense a part of the body appears relative to other body parts on a CT scan or X-ray, according to MedPix; while hypoattenuation means lower density, hyperattenuation refers to higher density.
What is a dual-source CT scan? All computed tomography (CT) scans use x-rays to quickly create cross-sectional pictures of your body. A dual-source CT scan uses two x-ray sources at right angles to each other. This doubles the speed of the test so you receive less radiation, and it also creates sharper images.