CT scans of internal organs, bone ... A CT examination may sometimes involve the injection of an intravenous contrast agent. Imaging can be performed at multiple time points before and after the ...

[2] Noncontrast CT in the emergency diagnosis of appendicitis is attractive for several reasons. Administration of oral contrast consumes valuable time in today's fast-paced and overcrowded ED.

Contrast-enhanced conebeam breast CT imaging features can help identify lymphovascular invasion status in patients with ...

The NHS advises patients to tell their hospital if they have kidney or thyroid problems ahead of a scan. According to experts, contrast dyes are necessary to enhance tests like CT scans and MRIs ...

Baid (NIH, Bethesda, MD), one of the researchers. Reports of hypertensive crisis after contrast-enhanced CT scan in patients with pheochromocytoma had led clinicians to question the safety of this ...

This is in stark contrast to 70-75% of Americans that get ... test for lung cancer or who is actually eligible. A low dose CT scan of the chest is the only method to get screened for lung cancer ...

By harnessing new X-ray detectors, photon-counting CT hugely improves image quality and contrast. In addition, these machines can also provide results at a lower radiation dose, allowing ...

Hounsfield called this technology a CT (computerized tomography) scan, also called a CAT scan (computerized axial tomography). It was especially useful for looking at head injuries and brain ...

An angiogram, a medical imaging test, helps visualize blood vessels and detect issues like blockages or narrowing ...

A new artificial intelligence model has demonstrated high accuracy in detecting and outlining lung tumors on CT scans, ...