CT Lung Disease - Video Lesson

Hey everybody, welcome back. This lesson is about the most common lung diseases that we can observe in CT imaging. We'll start with chronic obstructive pulmonary disease. Chronic obstructive pulmonary disease shortened as COPD, is a spectrum of progressive lung conditions most often caused by smoking, leading to irreversible airflow limitations. The name of the disease tells us a lot about what it is. This is a pulmonary disease, referring to the lungs, specifically the lung tissue. It's a chronic disease, meaning that it develops and progresses over a long period of time. No one develops COPD over a period of just days or weeks. The disease develops over the course of years, often as a result of smoking or other environmental exposures. The word obstructive refers to the loss of normal airflow through the lungs. In CT imaging, COPD has two radiographic patterns: chronic bronchitis or emphysema. These are not really different