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.
Computed Tomography (CT). Although also based on the variable absorption of x rays by different tissues, computed tomography (CT) imaging, also known as CAT scanning (Computerized Axial Tomography), provides a different form of imaging known as cross-sectional imaging.omputed Tomography (CT). Although also based on the variable absorption of x rays by different tissues, computed tomography (CT) imaging, also known as CAT scanning (Computerized Axial Tomography), provides a different form of imaging known as cross-sectional imaging.