All are true regarding pneumoconioses EXCEPT:
(Centrilobular emphysema is seen in pneumoconioses) (1552-57-H 16th) (1615-HI7th)PNEUMOCONIOSES - are chronic fibrotic lung diseases caused by the inhalation of coal dust and various other inert, inorganic or silicate dusts* Asbestosis - no specific therapy is available, supportive care is same as with diffuse interstitial fibrosis (Glucocorticoids are the mainstay of therapy in interstitial lung disease) (1557-H 16th)* Silicosis - 'egg-shell' pattern, associated with reticular pattern of irregular densities.* Caplan's syndrome - First describes in coal minors but subsequently found in patients with a variety of pneumoconiosis, includes seropositive rheumatoid arthritis with characteristic PMF.EmphysemaCentriacinar - Most frequently associated with cigarette smokingPanacinar - Observed in cti antitrypsin deficiency
Caplan's syndrome is seen in all types of pneumoconioses
'Eggshell' calcification is seen in silicosis
Asbestosis is treated with corticosteroids
Centrilobular emphysema is seen in pneumoconioses
Respiratory