[Feasibility of differential diagnosis of isolated lesions of mediastinal lymph nodes].

Surgical procedures such as mediastinoscopy (101 cases) and parasternal mediastinotomy (6 cases) were used for improvement of diagnosis of lesions in mediastinal organs. As a result of complex examination including histological methods, malignant lymphoma was diagnosed in 12 cases, Boeck's sarcoidosis--75, mediastinal form of lung cancer--8, tuberculosis of mediastinal lymph nodes--6 and other lesions of organs of the mediastinum--in 6 cases.