Concussions can be mild, but doctors may order a CT scan to look for a more serious injury.

VOA: special.2009.10.28

The researchers have developed rules to predict if a head injury is serious enough for a scan.

VOA: special.2009.10.28

However,no radiation is involved with terahertz imaging, also known as full body scan technology.

VOA: special.2010.06.29

A computed tomography,or CT,scan provides detailed images of the inner body.

VOA: special.2010.06.29

The seven-member crew controlled a robotic arm equipped with cameras and lasers to scan the surface of the heat shield.

VOA: standard.2009.07.16

"Other than that it was driving rain the first day." Crews visually scan for ribbons and sheets of oil.

VOA: standard.2010.07.05

That will allow us to scan that area and find the name of the person that is actually located in that grave.

VOA: standard.2010.07.22

every year, the government is under pressure to make an official recommendation on how much radiation is safe during a CT scan.

VOA: standard.2010.04.07

A less invasive procedure known as a virtual colonscopy is done with a CT scan that passes x-rays through a patient's abdomen.

VOA: standard.2010.04.07

Google Books Director Daniel Clancy says the company's goal is to scan up to 40 million books.

VOA: standard.2009.12.31

In addition to Stanford, the University of California in Berkeley and the University of Michigan have signed agreements authorizing Google to scan their books.

VOA: standard.2009.12.31

But some doctors say the CT scan exposes patients unnecessarily to harmful radiation, as much radiation as a patient might receive from 400 chest x-rays.

VOA: standard.2010.04.07

In some cases, patients received eight times more radiation for the same scan.

VOA: standard.2010.01.30

The CT (Computed Tomography) Scan is a method often used to diagnose cancer.

VOA: standard.2010.01.30

In any CT scan, the radiologist determines the required level of radiation.

VOA: standard.2010.01.30

Terahertz imaging - also known as "full body scan" technology.

VOA: standard.2010.05.05

Use of the CT Scan has increased dramatically since it was introduced A 2007 report in The New England Journal of Medicine estimated that at least 62 million CT scans were conducted yearly in the United States.

VOA: standard.2010.01.30