Fungal pneumonias.

An increased incidence of fungal pneumonias has been clearly seen in recent years, despite the lack of epidemiologic data. Pulmonary and extrapulmonary manifestations of blastomycosis, aspergillosis, and histoplasmosis, among others, are reviewed in this paper. The clinical presentation of pulmonary mycosis is influenced by the amount of exposure to the fungus and the host's immune response, and particular attention is paid in this review to the immunosuppressed patient. Recent reports of diagnostic tools such as bronchoscopy, imaging methods, and serologic tests are reviewed. Developments in aggressive therapies are discussed.