True about panacinar emphysema: March 2011
Ans. C: Alpha-1 antitrypsin deficiency Panacinar emphysema refers to abnormally large airspaces evenly distributed within and across acinar units. Panacinar emphysema is usually observed in patients with alphal-antitrypsin deficiency Emphysema/ pink puffers: Permanent and destructive enlargement of airspaces distal to the terminal bronchioles without obvious fibrosis and with loss of normal architecture Panacinar emphysema involves both central and peripheral poions of the acinus Smoking is the commonest precipitant Breathlessness is characteristic feature
Apical region commonly involved
Usually presents in 6th decade
Alpha-1 antitrypsin deficiency
Involves whole lung