Interstitial Lung Disease

Interstitial lung disease (ILD), sometimes called diffused parenchymal diseases, describes a heterogeneous collection of distinctive lung disorders classified on the grounds of shared clinical, radiographic, physiologic or pathologic factors. What makes it difficult to understand this group of diseases is the confusing terminology. The pathogenetic sequence in actuality involves a series of inflammation and fibrosis that extends beyond disrupting the interstitial bed (as the name implies) to changing the parenchyma (alveoli, alveolar ducts, and bronchioles). The list of causes of infiltrative diseases is never-ending. Many are extremely rare. The pattern of disease spread varies among the groups; for that reason establishing the correct diagnosis is vital.
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