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Exploratory and therapeutical punctures were made in 454 patients under the control of ultrasound, CT, and X-ray teleimage. Diagnostic biopsies established the cytological and histological nature of diseases in 67.6% of cases, positive ultrasound-, CT-, and X-ray teleimage-controlled biopsies being 76.3, 64.9, and 71.4%, respectively. Beneficial effects of therapeutical interventions were obtained in 89.5% of patients.

The article analyses the results of 104 biopsies which were carried out in 84 patients with different diseases of the organs of thoracic (50) or abdominal (16) cavities, postperitoneal space (32), bones and soft tissues (6). Positive results were obtained in 67 cases, negative--in 26, false-negative--in 11. The specificity was 70.3%, sensitivity--100%, authenticity--64.4%. The authors make a conclusion that the results and authenticity of biopsies depend on such factors as the proper organ to be punctured, character and structure of the affection, its location, volume and spreading, as well as the type of needles to be used.

Invasive interventions (diagnostic and therapeutic) were conducted on 125 patients. Fifty-six has diseases of the lungs, 16 of the mediastinum, 4 of the pleura, 17 of the liver, 2 of the pancreas, one of the spleen, 15 of the kidneys, 7 of the retroperineal space, two of the soft tissues, and 5 patients had diseases of the skeletal bones. Biopsy was combined with aspiration of the renal cyst content in 7 cases. The diagnostic value of biopsy under control of CT was 86% (106 cases); negative and pseudonegative results were recorded in 18 (14%) patients. The efficacy of biopsy is determined by such factors as the size of the lesion and the depth of its localization in the involved organ, the character of the pathological process and the region of its localization, the site from which the material is collected, and the needles used. Among 7 patients with therapeutic interventions, 5 had good and 2 had satisfactory immediate results. Complications were revealed in 4 (3.3%) patients, pneumothorax was encountered most frequently.