Injuries and diseases of musculoskeletal system occupy the 4th place in the overall structure of morbidity in the world and are located on the 2nd place among the causes of temporary disability [2, 4, 6]. Incident rate among the adult population in Russian Federation reaches 94,4 cases per 1000. Among all the fractures 86,6 % are localized on extremities [1]. The primary study of changes and characteristics of bone structure in cases of injuries and diseases of musculoskeletal system is limited mostly by a standard...

In total, 96 patients at the age from 24 to 65 years with posttraumatic changes and diseases of distal segments of upper and lower extremities were examined on modern CBCT-scanner – NewTom 5G (QR S.r.l., Italy) (Fig. 1). Among all the examined patients 42,7 % (n = 41) of them were with posttraumatic changes, 57,3 % (n = 55) – with diseases of distal extremities. To assess diagnostic efficiency of CBCT, its results were compared with the data of multislice computed tomography (MSCT) of patients...

Received CBCT-images of distal segments of upper and lower extremities were distinguished by high-resolution with a detailed mapping of bone structure: accurate differentiation and direction of bone trabeculae. It became possible to measure a thickness of cortical bone, even if it was less than 1 mm. During the comparative analysis it was found that visualization of bone structure on CBCT-images was comparable or even exceeded MSCT and digital microfocus X-ray images, but it was not defined reliable on standard X-ray images. In addition, small bone...

The obtained data of the comparative analysis evidenced a high efficiency of CBCT in diagnostics and dynamic researches of a number of injuries and diseases of upper and lower extremity's distal segments. CBCT showed a high efficiency (Se, Sp, Ac – 100%) at the detection of small areas of pathological remodeling and post-traumatic changes of the bone tissue, which size was less than 1 – 2 mm. Taking into consideration significant advantages of CBCT (high quality of images, low dose, lack of significant artifacts from...

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