Hamman Rich $
= Idiopathic fibrosing alveolitis
= Cryptogenic fibrosing alveolitis
Causes Auto immune.

C/P Interstitial pulmonary fibrosis (as above)
Investigations * X-ray à miliary shadow
* Respiratory. F. test
à O2 ¯ (diffusion defect)

Treatment:* Steroids
* Cytotoxic drugs

Source: Internal Medicine Book of Dr.Osama Mahmoud (Ain Shams University)