Changing trends in the pulmonary manifestations of AIDS.

This article reviews the changing trends observed in AIDS patients over the course of the epidemic. The spectrum of diseases of the chest associated with HIV infection is vast and varied. To generate a useful differential diagnosis based on imaging findings, the radiologist must appreciate shifts in disease prevalence and epidemiology and appreciate changing radiographic manifestations of many of these diseases. Imaging findings, both with chest radiography and CT scan, are summarized and the importance of integration of clinical information in interpreting these images and generating a reasonable differential diagnosis is emphasized.