Centrilobular Emphysema

**Semantic type:** Disease or Syndrome

**Definition:** Pulmonary emphysema in which the changes are noted around the central pulmonary artery and bronchiole of a secondary pulmonary lobule, particularly in the upper lobes of the lung. It is the most common type of pulmonary emphysema and it is the most closely associated with cigarette smoking.

**Synonyms:** - Centriacinar Emphysema - Centrilobular emphysema