Interstitial Lung Disease
Interstitial Lung Disease Facts
Interstitial Lung Disease Overview
Interstitial lung disease is a term used to refer to a particular type of inflammation of the interstitium of the lungs. The interstitium is the tissue that surrounds and separates the tiny air sacs (alveolae) in the lungs. Interstitial lung disease involves an inflammation of this supportive tissue between the air sacs rather than inflammation in the air sacs themselves. Interstitial inflammation is typically a diffuse process that occurs all over the lungs and is not confined to one location.
Sometimes the term "interstitial pneumonia" is used for certain forms of interstitial lung disease. Technically, however, the term "pneumonia" refers to inflammation of the lung tissue that is usually associated with infection. Because interstitial lung disease has a number of causes (most of which are not related to infection), the term "interstitial pneumonitis" is occasionally used to refer to the inflammation that occurs in the absence of true infection.
Medically Reviewed by a Doctor on 4/22/2015
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