Emphysema is a form of chronic obstructive pulmonary disease, or COPD. Centrilobular emphysema is a specific type of emphysema that affects the upper lobes of the lungs. Centrilobular emphysema is the ...

Until recently, ductular reaction had only been described in the periportal compartment, where the canals of Herring, the residence of hepatic progenitor cells, are located. However, a few recent ...

Low doses of diquat cause massive liver necrosis and death of selenium-deficient rats within a few hours. Protection against this injury by selenium correlates with the presence of selenoprotein P, an ...

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 ...

Abstract A 57-year-old man with severe, disabling end-stage emphysema presented for enrollment in the National Emphysema Treatment Trial. After the completion of pulmonary rehabilitation, he was ...