The posterior communicating artery is located in the back of the head at the back end of the circle of Willis. The circle of Willis is a ... Loss of consciousness TBIs are usually diagnosed by a CT ...

Computer tomography scans, or CT scans, are an invaluable tool for diagnosing cancer and other conditions. But in a cruel twist, the medical imaging technique may be more harmful than once thought ...

A new study has set off alarm bells, attributing the overuse of computed tomography – or CT – scans to around 5% of new cancer diagnoses annually. Since 2007, this imaging technology has seen ...

NPR's Ayesha Rascoe asks Dr. Rebecca Smith-Bindman about her research indicating CT scans, which emit radiation, will cause some 100,000 cases of cancer annually.

Approximately 93 million computed tomography examinations, or CT scans, are performed on 62 million patients annually in the United States — but the radiation from that process can raise the ...

A CT scan, by its very design, uses much more X-rays than a simple radiograph 'cause the X-rays basically are emitted going around the patient in a full circle in a machine that looks like a doughnut.

(Gray News) - CT scans could be an “important cause of cancer” in the United States, according to a new study. According to the study by scientists at the University of California, San ...

CT scans diagnose afflictions from tumors to kidney stones to life-threatening diseases and injuries, such as aneurysms and blood clots leading to stroke. But the radiation emitted by this ...