Figure showing a transverse CT of a 63-year-old male to identify the facial artery (red arrow) in relation to the predefined locations and the facial musculature. Credit Victor Gombolevskiy et al ...

What are the typical radiation doses associated with CT examinations? CT scans of the head, for example, expose patients to about the equivalence of one year of natural radiation. This is about 100 ...

Chest pains, heart flutters ... That's changing with the advent of new imaging technology: CT scans, MRI, 3-dimensional echocardiography (3-D echo), and PET/CT. "It's a new era we're at the ...

TUESDAY, March 18, 2025 (HealthDay News) -- Low-dose CT chest scans could help detect pneumonia in at-risk patients while exposing them to small amounts of radiation, a new study says. Ultra-low ...

In patients with head and neck squamous cell carcinoma (HNSCC), low-dose CT achieved higher sensitivity than chest x-ray for detecting lung metastases and second primary lung cancer, but patients ...

Major reductions in radiation doses from PET/CT scans can be achieved by modifying the acquisition parameters for CT. Conventional radiographic examinations such as chest, abdominal and bone X-rays ...

Medically reviewed by Christopher Lee, MD The aorta is the largest blood vessel in the body, carrying oxygen-rich blood from ...