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Malignant tumors and embolizing paraneoplastic endocarditis.

F Ondrias, I Slugen, A Valach

    Neoplasma
    |January 1, 1985
    PubMed
    Summary

    Nonbacterial verrucous endocarditis is a rare paraneoplastic syndrome linked to cancer, often causing fatal arterial embolisms. Digestive tract adenocarcinomas were the most frequent associated malignancy.

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    Area of Science:

    • Pathology
    • Oncology
    • Cardiology

    Background:

    • Nonbacterial verrucous endocarditis (NVE) is a rare cardiac condition.
    • It is often associated with underlying malignancies as a paraneoplastic syndrome.
    • Central arterial embolization is a severe complication of NVE.

    Purpose of the Study:

    • To investigate the incidence of NVE in autopsied patients.
    • To determine the association between NVE and various malignancies.
    • To analyze the complications and mortality associated with NVE in cancer patients.

    Main Methods:

    • Retrospective autopsy study of 4495 patients.
    • Histopathological examination for malignancies and NVE.
    • Analysis of clinical data and causes of death.

    Main Results:

    • Malignancies were found in 22.5% of patients.
    • NVE was observed in 2% of cancer patients (20 individuals).
    • Central arterial embolization occurred in 60% of NVE patients, leading to fatal cerebral and myocardial infarctions in 9 cases. Adenocarcinomas of the digestive tract were the most common tumors (40% of all malignancies, 70% of tumors associated with NVE).

    Conclusions:

    • NVE is a significant paraneoplastic complication of cancer, particularly adenocarcinomas.
    • Central arterial embolization is a major cause of mortality in NVE.
    • Early recognition and management of NVE in cancer patients are crucial to prevent fatal embolic events.

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