Practical Pulmonary Pathology

Pulmonary function testing for pathologists

As the name implies, pulmonary function testing provides quantification of pulmonary physiologic function. By definition this information is disease independent and static, representing a point-in-time evaluation. Nonetheless, this information can be very helpful for building a differential diagnosis. In fact,…

Lung anatomy

Development and gross anatomy Airway development During early embryogenesis (at approximately day 21 after fertilization), the lungs begin as a groove in the ventral floor of the foregut ( Fig. 1.1 ). This foregut depression becomes a diverticulum of endoderm,…