Chapter 14: Pulmonary Pathology Flashcards
What is another name for simple coal workers pneumoconiosis?
Black Lung Disease
What is coal worker’s pneumoconiosus caused by?
due to anthracosis in which carbon pigment (anthracotic pigment) from coal mining accumulates in macrophages along pleural lymphatics and interstitium
What is complicated coal worker’s pneumoconiosis?
characterized by progressive massive fibrosis that is accompanied by increasing respiratory distress, secondary pulmonary HTN, and cor pulmonale
What is asbestosis caused by?
caused by members of a family of crystalline salicatels
Asbestosis is commonly linked to which type of occupation?
shipyard work, insulation industries
What is the most common type of serpentine asbestos?
chrysotile
What is serpentine asbestos composed of?
curved, flexible fibers
What is amphibole asbestos composed of?
straight brittle fibers
What are the important types of amphibole asbestos?
crocidolite, tremolite, and amosite
Which is more pathogenic? Amphibole asebestos or serpentine?
amphibole asbestos
Amphibole asbestos is highly associated to what other condition?
mesothelioma
What are ferruginous bodies?
asbestos bodies that have become coated with iron
What is the substance one is exposed to in order to get silicosis?
exposure to silicon dioxide (silica)
What is the occupation one is likely to be in to get silicosis?
sandblasters, metal grinders, miners
Describe the pulmonary pathology of one with silicosis?
dense nodular fibrosis of the upper lobes which may progress to massive fibrosis; birefringent silica particles can be seen with polarized light
