A CT scan of healthy lungs looks typical in size with no inflammation, allowing the diaphragm to dome. Lungs with emphysema can look overinflated, with muscle loss, making the diaphragm misshapen. The ...

If a doctor suspects you may have a pulmonary embolism (PE), a CT scan is the gold standard of imaging techniques. This painless scan uses intravenous (IV) contrast, a type of dye, to help the doctor ...

VIENNA — Some patients who had mild COVID-19 infection during the first wave of the pandemic and continued to experience postinfection symptoms for at least 12 months after infection present abnormal ...

Patients are exposed to 2% of the radiation of a normal CT scan TUESDAY, March 18, 2025 (HealthDay News) -- Low-dose CT chest scans could help detect pneumonia in at-risk patients while exposing them ...

Our goal in designing this study was to attempt to document a clinical means of evaluating patients with minor head injury, possibly reducing the cost of their evaluation. We hypothesized that ...

Computed tomography -- also known as computed axial tomography, a CT scan, or a CAT scan -- is a tool doctors use to diagnose many types of health problems. Special X-ray equipment creates images of ...

Medical professionals use CT scans to help diagnose and stage bladder cancer. While CT scans can provide valuable information, they are not perfect and have certain limitations. However, CT scans may ...