CT scans offer one way to learn more about the location, size, and shape of a brain aneurysm. Brain aneurysms are a potentially fatal medical condition that may exist without any symptoms until ...

When your doctor writes an order for a CT cervical spine scan with or without contrast, they’ve used their knowledge to make the decision. They feel that the benefit is far greater than the ...

Dear Dr. Roach: In 2016, I had a brain MRI without contrast, ... In May 2017, I had a brain CT scan because my blood pressure was high and I was having some pain on the left side of my head.

Brain aneurysms can be fatal and may be difficult to detect. Medical scans such as MRIs and other tests with contrast can help doctors determine the presence, location, and shape of brain aneurysms.

A groundbreaking new imaging technique, utilizing X-rays 100 billion times brighter than a hospital X-ray machine, is offering 3D images in unprecedented detail, allowing whole organs to be imaged ...

Qualitative brainstem CT perfusion showed 98.5% sensitivity yet only 74.4% specificity. Qualitative whole-brain CT perfusion achieved 93.6% sensitivity and 92.3% specificity.

The average brain dose per head or neck CT in 2012-2014, 38 mGy, was associated with excess brain cancer risk compared with a brain dose of 0 mGy (RR 1.5, 95% CI 1.2-2.0).

Cedars-Sinai investigators can identify comprehensive cardiovascular risk from CT scans obtained without contrast dye, which some patients cannot tolerate, through the use of AI algorithms.

CT scans use radiation. ... Here are radiation doses for common procedures if you get a scan with contrast, and then one without contrast: ... Head: 4 mSv, equal to about 16 months of background ...