Role of radionuclide studies in the evaluation of the activity of a pathological process in the lymph nodes and lung of patients with tuberculosis

The authors studied the activity of a pathological process in the lymph nodes of the mediastinum, by using 67Ga citrate and 99mTc, and pulmonary circulation with MAA-99mTc. Radionuclide studies have established that in new cases of respiratory tuberculosis, the function of lymph nodes recovers by 1.5 times higher than that in pretreated patients. In patients with destructive tuberculosis, pulmonary circulation restores insignificantly and slowly, particularly in a group of pretreated patients. This is explained by the fact that the lung fibrous changes available prior to therapy defy an evolutionary process.