[Beryllium--underestimated occupational health hazard in Poland].

Beryllium is a metal used in different branches of industry. Inhalation is the most common way of exposure. Beryllium shows a high affinity to the lung tissue. It may act as toxic, carcinogenic and immunological agent. Chronic beryllium disease (CDB) is very difficult to diagnose because of its similarity to sarcoidosis. The lymphocyte proliferation assay is a very helpful test in CBD diagnosis. It seems reasonable to include this test into the body of the standard diagnostic procedures in workers exposed to beryllium. Early detection of hypersensitivity to beryllium, before CBD symptoms occur will allow to minimize adverse health effects.