Disseminated Mycobacterium avium complex is common in patients with the acquired immunodeficiency syndrome
(AIDS). Infection with Mycobacterium kansasii has been reported rarely in patients with AIDS and only in those with pulmonary disease (1, 2). Although Chicago has a high prevalence, no cases previously have been reported there in patients with AIDS. We recently treated three patients with AIDS who also had disseminated infections with M. kansasii (Table 1).
Infections with atypical mycobacteria, including M. avium complex, M. xenopi, and M. fortuitum, have been described previously in persons with AIDS (3). The cases of our patients are the first in