Pulmonary fibrosis represent a large number of conditions that involve the parenchyma of the lung -- the alveoli, the alveolar epithelium, the capillary endothelium, and the spaces between these structures, as well as the perivascular and lymphatic tissues. The histologic hallmark and chief diagnostic criterion of interstitial pneumonia is a heterogeneous appearance at low magnification with alternating areas of normal lung, interstitial inflammation, fibrosis, and honeycomb changes.
- Cryptogenic (idiopathic)
- Extrinsic allergic alveolitis
- Infective ?TB
- Aspiration pneumonia
- Collagen vascular diseases
Symptoms of pulmonary edema include difficulty breathing, coughing up blood, excessive sweating, anxiety and pale skin. If left untreated, it can lead to death.
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