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Hepatic angiosarcoma associated with short-term arsenic ingestion.

J W Roat, A Wald, H Mendelow

    The American Journal of Medicine
    |December 1, 1982
    PubMed
    Summary

    Even short-term medicinal arsenic exposure may increase the risk of hepatic angiosarcoma and skin cancers. This case suggests no safe arsenic exposure threshold exists, highlighting the need for thorough patient histories.

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    Area of Science:

    • Oncology
    • Toxicology
    • Pathology

    Background:

    • Hepatic angiosarcoma is a rare liver cancer.
    • Arsenic exposure is a known risk factor for various cancers.
    • The latency period between arsenic exposure and cancer development can be long.

    Observation:

    • A 45-year-old male developed hepatic angiosarcoma 33 years after a 6-month course of medicinal arsenic.
    • The patient also had a history of basal cell carcinomas, unrelated to excessive sun exposure.
    • Tumor staining for Factor VIII indicated an endothelial cell origin.

    Findings:

    • The case demonstrates a strong association between past arsenic ingestion and subsequent development of hepatic angiosarcoma.
    • The co-occurrence of skin cancers further supports a potential link between arsenic and oncogenesis.

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  • The long latency period suggests arsenic's persistent carcinogenic effects.

    • Implications:

    • This case challenges the notion of a safe threshold for arsenic exposure.
    • Clinicians should inquire about historical arsenic exposure in patients diagnosed with hepatic angiosarcoma.
    • Further investigation may reveal more cases linking short-term arsenic exposure to cancer.