???pneumoconiosis

HRCT lungs.

patient had a history of long term intake of steroids..

thickening of both interlobular and interlobar interstitial tissue septa is seen involving lower lobes bilaterally.

there were small pinpoint nodules involving both upper lobes--miliary nodules

keeping in view the above findings...possibilities are:

?pneumoconiosis--silicosis

?miliary tuberculosis