The introduction of new immunological tests (test with Diaskintest) enables timely, but refer the child for examination in phthisiopulmonology the presence of comorbidity. A clinical case of combined pathology of the lungs of a 13-year-old child with a polo-positive result with samples Diaskintest, the presence of clinical symptoms and radiographic changes in the lungs. The patient entered the clinic of the Institute after five years of observation and treatment failures pulmonologist with suspected tuberculosis after five years of the lower lobe of the left lung in the phase of destruction and contamination to examination in order to clarify the diagnosis and a course of specific therapy. A child with concurrent chronic bronchopulmonary pathology was diagnosed lung TB. The need for a detailed and comprehensive study of the history of the disease, the use of a complex of modern methods of inspection and timely solution of millet Prompt intervention is determined in a subsequent treatment efficacy, minimal residual changes and restore the functional state of the child's body.