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Multiple primary cancers associated with hematological malignancies.

E Nagura, K Kawashima, K Yamada

    Japanese Journal of Clinical Oncology
    |April 1, 1985
    PubMed
    Summary

    This study analyzed 236 cases of multiple primary cancers linked to hematological malignancies in Japan. Secondary acute leukemia, often granulocytic, showed a poor prognosis and limited response to chemotherapy.

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    Area of Science:

    • Hematology
    • Oncology
    • Epidemiology

    Background:

    • Multiple primary cancers (MPCs) involving hematological malignancies are a significant clinical challenge.
    • Understanding the temporal relationship and specific cancer types is crucial for patient outcomes.

    Purpose of the Study:

    • To analyze the characteristics of multiple primary cancers associated with hematological malignancies.
    • To investigate the incidence, temporal patterns, and specific cancer types in MPCs.

    Main Methods:

    • Retrospective analysis of 236 cases of MPCs associated with hematological malignancies.
    • Data collected from 35 medical institutions in Japan.
    • Cases categorized into synchronous, metachronous (hematological malignancy first), and metachronous (carcinoma first) groups.

    Main Results:

    • Acute leukemia, non-Hodgkin's lymphoma, multiple myeloma, chronic myelogenous leukemia, and gastric cancer were common.
    • Uterine and breast cancer patients had higher rates of subsequent hematological malignancies.
    • MPCs were more frequent in men than women.
    • Secondary acute leukemia was predominantly granulocytic with poor prognosis.

    Conclusions:

    • The study highlights distinct patterns in MPCs associated with hematological malignancies.
    • Secondary acute leukemia presents unique challenges in treatment and prognosis.
    • Further research into risk factors and management strategies for these complex cases is warranted.

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