[Isolated sarcoidosis of upper respiratory tract--a description of 2 cases].

Sarcoidosis is a granulomatous disease of unknown etiology. In sarcoidosis almost all organs can be involved but the disease most often affects the lungs and intrathoracic lymph nodes. Isolated extrapulmonary organs involvement occurs very seldom.

[Addison's diseases caused by adrenal tuberculosis--case report].

A case of adrenal tuberculosis with acute Addison's disease is described. The disease manifested acute as suprarenal crisis. Metastatic and autoimmunological (antisuprarenal antibodies were not found) etiology was excluded.

[The prevalence of serum IgG antibodies against HTLV viruses type I and II in sarcoidosis patients].

Unlabelled: The pathogenesis of sarcoidosis remains still unknown. Among numerous factors viruses are considered as potential causes. The aim of the study was investigation of human T-cell lymphotopic virus type I (HTLV-I) in sarcoidosis patients.