Surgical emphysema is another term for subcutaneous emphysema. It occurs when air or gas enters the subcutaneous tissue, which is the deepest layer of the skin. People can develop surgical emphysema ...

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 ...

Small-airway obstruction, which cannot be seen with conventional X-rays, was observed in a virtual chest X-ray enhanced by phase-contrast imaging, according to study results published in Proceedings ...