A thorough understanding of the Couinaud segments of the liver is essential for assessment of resectablility of a liver lesion and for surgical planning.  However, understanding the relationship between the Couinaud Segments and the traditional description of the liver as "lobes" can be difficult.  This beautifully produced one-page guide will be a useful addition to your abdominal ultrasound reference materials.  Provided courtesy of Bracco, world leader in contrast agents for the diagnostic imaging sector

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