hiv

corticosteroids are generally contraindicated in HIV(as it is a immunocompromised state) except in two conditions
1) pneumocystis carini infection
2) lymphocytic interstitial pneumonitis

on ct imging
1) multiple space occupying lesions - toxoplasmosis(it is most common ICSOL in hiv)
2)single SOL - primary lymphoma(second most common)