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Abstract: Article presents a review of the scientific literature containing data on the role of ultrasound examination of joints in the diagnosis of rheumatoid arthritis, ultrasound signs of damage of main elements of joints and periarticular tissues, modern semi-quantitative scales for assessing the severity of main pathological changes detected by ultrasound examination of joints and tendons in patients with rheumatoid arthritis. Aim: was to analyze scientific publications in domestic and world literature on ultrasound examination of joints in rheumatoid arthritis. Materials and methods: 38 scientific sources of leading domestic and foreign journals were analyzed. Results: currently, radiography is the gold standard in the diagnosis of rheumatoid arthritis and is widely used to monitor the progression of rheumatoid arthritis. However, it is not sensitive enough to detect changes at early stage of rheumatoid arthritis, since it only allows assessing bone structures that are involved in the pathological process 6-12 months after the onset of first signs of the disease. Ultrasound examination provides new possibilities for early detection of rheumatoid arthritis, since it allows to detect changes at early pre-radiological stage and to prevent the development of significant structural changes leading to early disability of patients. Conclusion: the use of ultrasound examination of joints in the diagnosis of rheumatoid arthritis accelerates the diagnosis, is used to dynamically assess the course of the disease, evaluate the effectiveness of therapy, and also to predict outcomes. The diagnostic effectiveness of ultrasound examination of joints in rheumatoid arthritis involves the identification of synovitis, tenosynovitis, structural changes in the articular cartilage and bone (erosion), and an assessment of the severity of the inflammatory reaction.
Abstract: Introduction: article provides a literature review on the role of various imaging methods used in the diagnosis and control of effectiveness of therapy for rheumatoid arthritis. Aim: to analyze domestic and foreign literature sources reflecting the state of the problem and aspects of radiological diagnosis of rheumatoid arthritis. Materials and methods: 52 scientific sources of leading domestic and foreign journals were analyzed. Results: conventional radiography today is the most widely used imaging technique for diagnosing and monitoring of progression of rheumatoid arthritis. However, it is not sensitive enough to detect changes in the early stage of rheumatoid arthritis, since it only allows assessment of bone structures. Establishing the diagnosis of rheumatoid arthritis at the stage of detecting structural abnormalities in joints indicates the presence of functional impairment and disability of patients. At the same time, early diagnosis of rheumatoid arthritis, at the stage of pre-radiological changes, leads to an improved prognosis of the disease and contributes to preservation of working capacity. In this regard, it becomes necessary to introduce into clinical practice sensitive advanced imaging methods aimed at identifying changes that precede the development of structural changes in bone. Conclusion: the diagnostic effectiveness of radiation research methods in rheumatoid arthritis implies the identification of synovitis, tenosynovitis, early inflammatory changes in the bone, structural changes in the articular cartilage and bone (erosion), assessment of the severity of the inflammatory response. References 1. Muravyev YuV. Extraarticular manifestations of rheumatoid arthritis. Nauchno-prakticheskaya revmatologiya. 2018; 56(3): 356-362 [In Russ]. https://doi.org/10.14412/1995-4484-2018-356-362 2. Nasonov EL, Olyunin YuA, Lila AM. 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ABSTRACT: Article presents a literature review on the role of magnetic resonance imaging (MRI) of sacroiliac joints in the diagnosis of ankylosing spondylitis. Aim: was to analyze domestic and foreign literature sources that reflect the state of the problem and aspects of radiodiagnostics of sacroiliac joints in patients with ankylosing spondylitis. Materials and methods: article contains analysis of 29 literature sources of leading domestic and foreign scientific journals. Results: for a reliable diagnosis of ankylosing spondylitis, the presence of x-ray confirmed sacroiliitis is a prerequisite. However, difficulties in confirming or absence of sings of sacroiliitis on radiography at the beginning of the disease leads to a delay in the diagnosis of ankylosing spondylitis, which is established for 5-10 years after first clinical signs of the disease. Magnetic resonance imaging allows us to evaluate changes in sacroiliac joints in early stages of the disease and prevent the development of significant structural changes that lead to early disability of patients. MR-symptoms of active inflammation of sacroiliac joints in ankylosing spondylitis include: edema of the bone marrow (ostitis) in subchondral parts of iliac bones and sacrum, edema of the capsule (capsulitis) and periarticular ligaments (enteritis) joint, as well as synovitis, accompanied by synovial effusion into the joint cavity. MR-symptoms of structural changes in sacroiliac joints in ankylosing spondylitis include: bone erosion, sclerosis, fat deposits of the bone marrow, bone bridges, ankyloses. Conclusion: magnetic resonance imaging currently occupies a leading position in the early diagnosis of ankylosing spondylitis, which allows us to identify active inflammatory and structural changes in sacroiliac joints. References 1. Jerdes ShF, Rebrov AP, Dubinina TV et al. 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