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Decrease in the zinc turbidity test values in patients with liver cirrhosis: a possible indicator for impending

S Mishiro, S Hayashi, N Tanaka

    Journal of Medicine
    |January 1, 1983
    PubMed
    Summary

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    A drop in the zinc turbidity test may signal impending hepatocellular carcinoma in liver cirrhosis patients. This biomarker change precedes diagnosis, offering early detection potential.

    Area of Science:

    • Hepatology
    • Oncology
    • Clinical Chemistry

    Background:

    • Liver cirrhosis, often of viral origin, presents a significant risk factor for hepatocellular carcinoma.
    • Early detection of hepatocellular carcinoma is crucial for improving patient outcomes.
    • Biomarker research is vital for identifying reliable indicators of cancer development in high-risk populations.

    Purpose of the Study:

    • To investigate the utility of the zinc turbidity test as a predictive biomarker for hepatocellular carcinoma in patients with liver cirrhosis.
    • To determine if changes in zinc turbidity test values precede the clinical diagnosis of hepatocellular carcinoma.

    Main Methods:

    • Retrospective analysis of 21 patients diagnosed with hepatocellular carcinoma and liver cirrhosis.
    • Comparison of zinc turbidity test values at various time points before and after diagnosis with those of 120 control patients with liver cirrhosis but without hepatocellular carcinoma.

    Related Experiment Videos

  • Serial measurement of alpha-fetoprotein levels in a subset of patients.

    • Main Results:

    • A significant decrease in zinc turbidity test values was observed 6 months prior to hepatocellular carcinoma diagnosis (11.2 +/- 2.5 units) compared to 1 year before diagnosis (15.5 +/- 6.9 units).
    • Pre-diagnostic zinc turbidity test values were significantly lower than those in control cirrhotics (16.3 +/- 7.2 units).
    • In three patients, the decline in zinc turbidity test values occurred before or concurrently with an increase in alpha-fetoprotein levels.

    Conclusions:

    • A decreasing zinc turbidity test value may serve as an early indicator of hepatocellular carcinoma development in patients with liver cirrhosis.
    • The zinc turbidity test shows potential as a non-invasive biomarker for predicting hepatocellular carcinoma in this patient group.
    • Further prospective studies are warranted to validate these findings.