[Pulmonary thromboembolism that developed during an airplane flight "economy-class syndrome"].

The occurrence of thromboembolic phenomena during long-duration airplane flights is called "economy-class syndrome". Recently it has become more popular for Japanese to go abroad by airplane, and an increase in the prevalence of pulmonary thromboembolism should be expected. However, there are few reports of the economy-class syndrome in Japan.

[Recent advances in immunological diagnosis for tuberculosis].

Recent advances in immunological diagnosis for tuberculosis including tuberculin Mantoux test and serodiagnosis were reviewed. New tuberculins (T1327, T1456) were reported to be more specific than the conventional one (RT23). Tuberculins from atypical mycobacteria (PPD-B, PPD-Y, PPD-F) were reported as a useful tool for the diagnosis of atypical mycobacteriosis.

[Usefulness anti-PPD antibody in the medical practice of tuberculosis].

The decline rate of tuberculosis has decreased recently in Japan. One of the problems is the tendency of increasing doctor's delay in the diagnosis of tuberculosis. One of measures against this problem is to develop a new laboratory diagnostic method.