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Hepatocellular carcinoma: sonographic and histologic correlation.

S Tanaka, T Kitamura, S Imaoka

    AJR. American Journal of Roentgenology
    |April 1, 1983
    PubMed
    Summary

    This study correlates ultrasound (US) findings with liver cancer histology. Different echogenicity patterns on US, such as hypoechoic, complex, and hyperechoic, correspond to specific hepatocellular carcinoma (HCC) features like necrosis or fatty changes.

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    Area of Science:

    • Hepatobiliary Medicine
    • Diagnostic Imaging
    • Oncology

    Background:

    • Hepatocellular carcinoma (HCC) diagnosis relies on imaging, but correlating sonographic features with histology is crucial for accurate characterization.
    • Understanding echogenicity variations in HCC can improve diagnostic precision and treatment planning.

    Purpose of the Study:

    • To establish a direct correlation between sonographic echogenicity patterns and the histopathologic characteristics of hepatocellular carcinoma (HCC) lesions.
    • To evaluate the utility of a fixed-position sectional sonographic technique for detailed comparison with histologic findings.

    Main Methods:

    • Sonographic examination of 23 hepatocellular carcinoma (HCC) lesions within one week prior to surgical resection.
    • Classification of tumor sonograms into hypoechoic, complex, or hyperechoic based on echogenicity relative to surrounding liver parenchyma.

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  • Post-surgical examination of excised specimens using a fixed-position sectional sonographic technique for direct comparison with histology.

    • Main Results:

    • Hypoechoic lesions on sonography correlated with solid HCC tumors lacking necrosis.
    • Complex lesions corresponded to HCC with partial necrosis.
    • Hyperechoic lesions were associated with two distinct histopathologic subtypes: fatty metamorphosis or marked sinusoidal dilatation.

    Conclusions:

    • Sonographic echogenicity patterns provide valuable insights into the underlying histopathologic features of hepatocellular carcinoma (HCC).
    • The fixed-position sectional sonography technique facilitates precise correlation between imaging and histology, aiding in tissue characterization.
    • This correlation enhances the diagnostic capabilities of sonography in the evaluation of liver tumors.