*Liver tumors

  1. Cavernous haemangioma of the liver

    Most popular benign tumor arising in liver. This tumor is asymptomatic in most instances and eventually descovered by routine imaging modalities. Size of the tumor is various. It looks bluish-purple or reddish-purple in color and usually multivesicular. This tumor rarely shows malignant transformation (malignant haemangioendothelioma), although the differential diagnosis between benign and malignant at gross appearance is often very difficult.

  2. Hepatocellular carcinoma
    Hepatocellular carcinoma(HCC) shows tumor protrusion on the liver surface. Clinicopathologically, more than 90% of HCC cases are acompanied with background liver lesions including liver cirrhosis or chronic hepatitis. Thus, non-tumorous portions of the liver also show the changes corresponding to those. There are seldom cancer nabels(mentioned below) on the top of the tumorous protrusion(see right).

  3. Metastatic liver tumor

    Protruded tumor formation with a slight depression in the center is characteristic in metastatic liver tumor. The depressed center showes whitish color. This finding is called "cancer nabel" and ofgen recognized in metastatic lesions of adenocarcinoma.

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Third Department of Internal Medicine, NIIGATA UNIVERSITY School of Medicine
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This WWW Page is maintained by Toru Takahashi, M.D.
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This page last changed : July 13, 2001
URL: http://www.med.niigata-u.ac.jp/in3/lapatlas.html