Some types of brain aneurysms can be detected on a CT scan without the use of contrast solution. However, depending on the circumstances, a doctor may request a CTA to have a clearer picture of ...

Brain death determination sits at the fraught intersection of critical-care medicine, ethics, and organ-donation logistics.

While CT scans use X-rays to produce the images, ... Your healthcare provider may recommend a CT scan with a contrast agent (dye). They may give you an intravenous ... brain tissue, and others.

A brain abscess is a rare but life-threatening infection. Learn how advances in imaging, surgery, and diagnostics are ...

There are three brain imaging tests that are used to see and evaluate brain AVMs: Magnetic Resonance Imaging (MRI) uses magnetic fields to create images of the brain and the brain’s blood vessels.

CT Cervical Spine Scan Without Contrast. Cervical spine CT scans without contrast don’t have restrictions. You can eat and drink as usual before and after your test.

CT scans use radiation. ... is different than the amount during a scan of your head. ... Here are radiation doses for common procedures if you get a scan with contrast, and then one without contrast: ...

an MRI scan with contrast; a CT scan with contrast; a PET CT scan; taking a sample of your brain tumour cells (biopsy) an x-ray to show blood vessels in your brain (brain angiogram) a test to check ...