Low radiation CT scan developed for childrenRSS Feed

Children with brain injury may benefit from a new CT scan technique which allows them to undergo the procedure with the lowest possible dose of radiation.

If the dose of radiation is lowered too far, scans become unclear and small details could be missed.

However, researchers at the Queen Silvia Children's Hospital utilised computer manipulation of images from scans to simulate various levels of reduction of radiation dose.

Medical physicist Kerstin Ledenius, of the Sahlgrenska Academy, said: "Adjusting exposure is important, as a small patient does not need the same exposure as a large one.

"Children also differ anatomically from adults, which affects the image quality needed."

CT scanning uses a mixture of x-ray equipment and computer technology to generate multiple images or pictures of the inside of the body.

Radiologists then interpret the scans to diagnose problems such as cancers, cardiovascular disease, trauma, infections, appendicitis and musculoskeletal disease.

Posted by Paul Breen

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