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  2. Transient hepatic attenuation differences - Wikipedia

    en.wikipedia.org/wiki/Transient_hepatic...

    Transient hepatic attenuation differences (THAD) are areas of enhancement during the arterial phase of contrast CT of the liver. THAD is thought to be a physiological phenomenon resulting from regional variation in the blood supply by the portal vein and/or the hepatic artery .

  3. Porta hepatis - Wikipedia

    en.wikipedia.org/wiki/Porta_hepatis

    The right vertical limb of the "H" defines the left and right functional lobes, while the left vertical limb of the "H" defines the right and left anatomical lobes. The horizontal line between the vertical limbs of the "H" represents the porta hepatis. The quadrate and caudate lobe lie superior and inferior to this line respectively.

  4. Lobes of liver - Wikipedia

    en.wikipedia.org/wiki/Lobes_of_liver

    The right lobe is functionally separated from the left lobe by the middle hepatic vein. From a functional perspective (one that takes the arterial, portal venous, and systemic venous anatomy into account) the falciform ligament separates the medial and lateral segments of the left hepatic lobe. [6] The right lobe is of a somewhat quadrilateral ...

  5. Liver abscess - Wikipedia

    en.wikipedia.org/wiki/Liver_abscess

    A large pyogenic liver abscess presumed to be the result of appendicitis. There are several major forms of liver abscess, classified by cause: [3] Pyogenic liver abscess, which is most often polymicrobial, accounts for 80% of hepatic abscess cases in the United States. Amoebic liver abscess due to Entamoeba histolytica accounts for 10% of cases ...

  6. Lobules of liver - Wikipedia

    en.wikipedia.org/wiki/Lobules_of_liver

    In histology (microscopic anatomy), the lobules of liver, or hepatic lobules, are small divisions of the liver defined at the microscopic scale. The hepatic lobule is a building block of the liver tissue , consisting of a portal triad, hepatocytes arranged in linear cords between a capillary network, and a central vein .

  7. Liver tumor - Wikipedia

    en.wikipedia.org/wiki/Liver_tumor

    They are, in most cases, located in the right hepatic lobe and are frequently seen as a single lesion. [7] Their size ranges from 1 to 30 cm. [7] They can be difficult to diagnosis with imaging studies alone, because it can be hard to tell the difference between hepatocellular adenoma, focal nodular hyperplasia, and hepatocellular carcinoma. [7]

  8. Ultrasonography of liver tumors - Wikipedia

    en.wikipedia.org/wiki/Ultrasonography_of_liver...

    Hepatic hemangioma (2D). The lesion is located in the left hepatic lobe. Note precise delineation, their increased echogenity and the heterogeneous internal structure. [citation needed] Hepatic hemangioma (CEUS). Progression of CA from the periphery toward the center of the lesion is evidenced by examination at various time intervals (a ...

  9. Cavernous liver hemangioma - Wikipedia

    en.wikipedia.org/wiki/Cavernous_liver_hemangioma

    A cavernous liver hemangioma or hepatic hemangioma is a benign tumor of the liver composed of large vascular spaces lined by monolayer hepatic endothelial cells. It is the most common benign liver tumour, and is usually asymptomatic and diagnosed incidentally on radiological imaging or during laparotomy for other intra-abdominal issues.

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