Desquamative Interstitial Pneumonia-Like Pattern Alvaro C. Laga Robert Barrios The term desquamative interstitial pneumonia (DIP)-like pattern describes the accumulation of macrophages in the alveoli that can take place as a…
Eosinophilic Pneumonia Roberto Barrios Timothy C. Allen Broadly speaking, eosinophilic pneumonia is a disease process characterized by an intraalveolar exudate containing large numbers of eosinophils, frequently with associated peripheral eosinophilia….
Lipoid Pneumonia Roberto Barrios Lipoid pneumonia can be subdivided into exogenous and endogenous lipoid pneumonia, depending on the origin of the lipid products associated with this lesion. Exogenous lipoid pneumonia…
Cancers of the Pleura Cancers often metastasize to the pleura, particularly metastatic carcinomas, but also metastatic sarcomas, lymphomas, and other types of cancer. Some cancers, particularly lung carcinomas, may also…
Acute Fibrinous and Organizing Pneumonia Mary Beth Beasley Acute fibrinous and organizing pneumonia (AFOP) is a recently described pattern of lung injury that has a mortality rate similar to that…
Diffuse Alveolar Damage Roberto Barrios Diffuse alveolar damage (DAD) is a term that describes a tissue response to a wide variety of acute lung injuries. The lung has limited ways…
Pulmonary Edema Roberto Barrios The buildup of extravascular fluid in the lungs is called pulmonary edema. Pulmonary edema is a common complication of cardiac and noncardiac disorders. Cardiogenic pulmonary edema…
Organizing Acute Pneumonia Roberto Barrios When an acute pneumonia does not resolve, it progresses to a subacute and chronic stage, with organization of the acute fibrinous exudates by fibroblast ingrowth….
Small Airways and Inorganic Dusts Philip T. Cagle Small airways (terminal or membranous bronchioles, respiratory bronchioles, and alveolar ducts) may be affected by exposure to both fibrous and nonfibrous mineral…
Diffuse Panbronchiolitis Philip T. Cagle Diffuse panbronchiolitis is a progressive obstructive small-airway disease associated with sinusitis that occurs primarily in adults of Japanese heritage. The disease is typically complicated by…
