[A case of paragonimiasis westermani with a worm migration track on chest CT].

A 59-year-old man with rusty-colored sputum was admitted for evaluation of a nodular shadow on his chest radiograph. Chest computed tomography (CT) revealed nodules and nodular opacities with a cavity in the right S3. Chest CT also showed clearly a double linear shadow other than the bronchovascular bundle, with a different course from that of the bronchovascular bundle, suggesting a worm migration track.

[Clinical characteristics of elderly patients with tuberculosis].

The purpose of this report is to elucidate the characteristics of elderly patients with tuberculosis (TB), based on 235 patients hospitalized in our institution from January 1999 to October 2001. The mean age of all patients was 60.8 years old and the male-to-female ratio was 2.

[A case of mixed infection by Nocardia asteroides and Mycobacterium tuberculosis].

A 55-year-old man with diabetes mellitus was admitted to our hospital because of abnormal shadows in his chest radiographs. Both chest radiography and CT revealed infiltrative shadows in the right upper lung field. Repeated sputum smears showed no mycobacterium, so bronchoalveolar lavage (BAL) was performed bronchoscopically at the right B3b.