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What is hypersensitivity pneumonitis?
allergic alveoliits--non caseating granulomas in interstitium to inhaled organic agents such as thermophilic baceteria i,e farmers lung or protein in bird excreta as in Bird fanciers lung disease
Anergy to candida and m. tuberculosis is seen in what condition?
What is seen in cryptonizing organizing pneumonia?
fibroblastic tissue in alveoli, alveolar duct and bronchiole
In what kind of lung diseases are honeycomb patterns common?
How is Pneumocysti infection recognized on BAL?
cysts and trophozoites on methamine silver stain
Community acquired pneumonias?
What is diffuse alveolar damage?
CMV causes what in organ transplant vs HIV pts?
- organ transplant--pneumonia
- HIV pts--enecephalitis
How does smoking promote emphysema?
- nitotine is chemotaxic for neutrophils
- ROS derived from smoke inactivate antiprotease
What effect does DM have on the babys lung development?
it retards it
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