<prompt> All are true regarding pneumoconioses EXCEPT:Caplans syndrome is seen in all types of pneumoconiosesEggshell calcification is seen in silicosisAsbestosis is treated with corticosteroidsCentrilobular emphysema is seen in pneumoconioses  <response>: Centrilobular emphysema is seen in pneumoconioses 1552-57-H 16th 1615-HI7thPNEUMOCONIOSES - 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. Caplans 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 