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.
A CT scan uses x-rays to take detailed pictures of your body from different angles. A computer then puts them together to give a series of pictures. CT (or CAT) stands for computerised (axial) tomography. How you have it. You usually have a CT scan in the x-ray (radiology) department as an outpatient. A radiographer operates the scanner. The whole appointment can take up to an hour and a half. Why you might have a CT scan. A CT scan gives a very accurate picture of where an abnormal area such as a tumour is and how big it is.