The clinical manifestations of non-Hodgkin's lymphoma (NHL)-associated lesions of thoracic or abdominal organs and tissues, and the results of application of radiodiagnostic techniques in 414 children with the disease, were analyzed. The results of the analysis of radiological and ultrasonographic manifestations of thoracic and abdominal lesions in children with NHL make it possible to perform more effective early diagnostics of the disease in wide healthcare practice. Also, these results confirm the mandatory character of the general principle of pediatric tumor diagnosis, i.e. complex application of clinical, morphological, endoscopic, laboratory, and radiological techniques, including routine X-ray diagnostics, computed tomography, ultrasound tomography, and radioisotopic examination.
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