Liver segments (annotated CT) | Radiology Case - Radiopaedia.org
网页Hocking J, Liver segments (annotated CT). Case study, Radiopaedia.org (Accessed on 06 Oct 2024) https://doi.org/10.53347/rID-45972. At the time the case was submitted for publication Jeffrey Hocking had no recorded disclosures.
Couinaud classification of hepatic segments | Radiology Reference ...
网页2024年6月5日 · It is the preferred anatomy classification system as it divides the liver into eight independent functional units (termed segments) rather than relying on the traditional morphological description based on the external appearance of the liver.
Liver | Radiology Reference Article | Radiopaedia.org
网页2024年9月9日 · Segmental anatomy Traditionally, the liver was divided into four anatomical lobes: the right, left, caudate and quadrate lobes. However, this has been superseded by the use of the Couinaud classification which divides the liver into eight functional units (known as segments), supplied by individual segmental hepatic arteries, portal veins and ...
Liver segments (annotated CT - coronal) | Radiology Case
网页Annotated Coronal CT showing hepatic segmentation and veins. IVC = Inferior Vena Cava RHV = Right Hepatic Vein MHV = Middle Hepatic Vein LHV = Left Hepatic Vein. PV = (Main) Portal Vein RPV = Right Portal Vein LPV = Left Portal Vein Conf = Portal Confluence SplV = Splenic Vein SMV = Superior Mesenteric Vein.
Transient hepatic attenuation differences | Radiology Reference …
网页2024年4月27日 · Transient hepatic attenuation differences (THAD) lesions refer to areas of parenchymal enhancement visible during the hepatic artery phase on helical CT. They are thought to be a physiological phenomenon caused by the dual hepatic blood supply.
Focal hepatic steatosis | Radiology Reference Article
网页2024年3月4日 · Focal hepatic steatosis, also known as focal hepatosteatosis or (erroneously) focal fatty infiltration, represents small areas of liver steatosis. In many cases, the phenomenon is believed to be related to the hemodynamics of a third inflow.
AAST liver injury scale | Radiology Reference Article
网页2024年7月11日 · The AAST (American Association for the Surgery of Trauma) liver injury scale, revised in 2018, is the most widely used liver injury grading system 3. The 2018 update incorporates "vascular injury" (i.e. pseudoaneurysm , arteriovenous fistula ) into the imaging criteria for visceral injury 3 .
Liver trauma | Radiology Reference Article - Radiopaedia.org
网页2024年7月20日 · The mechanism for liver trauma can be blunt (e.g. motor vehicle collision, fall, direct blow, etc.) or penetrating trauma (e.g. gunshot, stabbing). It can also be iatrogenic (e.g. percutaneous liver biopsy, operative injury). Types. Most (~80%) of liver injuries are minor (grades I to III - see AAST grading). There are a range of injuries ref:
Hepatic abscess | Radiology Reference Article - Radiopaedia.org
网页2024年6月24日 · Liver abscesses are typically poorly demarcated with a variable appearance, ranging from predominantly hypoechoic (with some internal echoes) to hyperechoic. Gas bubbles may also be seen 7. Color Doppler will demonstrate the absence of central perfusion.
Liver | Radiology Reference Article | Radiopaedia.org
网页Gross anatomy. The liver is an irregular, wedge-shaped organ that lies below the diaphragm in the right upper quadrant of the abdominal cavity and is in close approximation with the diaphragm, stomach and gallbladder. It is largely covered by the costal cartilages 9. The liver is made of several functional units called lobules, which in turn ...
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