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Диффузионно-взвешенные изображения (ДВИ) отражают свободное (броуновское) движение молекул воды. ДВИ позволяют проводить как качественный, так и количественный анализ изображений. В последние годы благодаря ряду технических достижений ДВИ все чаще стали применять для исследования экстракраниальной патологии, в том числе при заболеваниях печени. В обзоре литературы отражены основные принципы ДВИ, область их применения при очаговой патологии печени, результаты работ, изучающих возможность применения ДВИ в дифференциальной диагностике очаговых образований печени, оценке ответа опухоли на химиотерапию и местное лечение.
Ключевые слова:
диффузионно-взвешенные изображения, печень, очаговое поражение печени, дифференциальная диагностика, diffusion-weighted imaging, liver, focal liver lesions, differential diagnosis
Литература:
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Diffusion-weighted imaging (DWI) reflects Brownian motion of water molecules. DWI provides both qualitative and quantitative image analysis. In recent years, with technical advances, DWI has been increasingly applied to extracranial pathology, including liver diseases. In this article the basic principles of DWI, clinical application, studies of DWI in the differential diagnosis of focal liver lesions, evaluation of tumor response to chemotherapy and local treatment are discussed.
Keywords:
диффузионно-взвешенные изображения, печень, очаговое поражение печени, дифференциальная диагностика, diffusion-weighted imaging, liver, focal liver lesions, differential diagnosis