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Related Experiment Videos

Is modified radical mastectomy adequate for axillary lymph node dissection?

T Nemoto, T L Dao

    Annals of Surgery
    |December 1, 1975
    PubMed
    Summary
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    Modified radical mastectomy provides effective axillary dissection, comparable to the Halsted radical mastectomy. This surgical approach ensures a thorough removal of axillary lymph nodes, crucial for breast cancer staging.

    Area of Science:

    • Surgical Oncology
    • Breast Cancer Surgery
    • Lymph Node Evaluation

    Background:

    • Axillary lymph node status is critical for breast cancer staging and treatment decisions.
    • Radical mastectomy, including Halsted radical mastectomy, involves extensive axillary dissection.
    • Modified radical mastectomy aims to achieve similar oncologic control with less morbidity.

    Purpose of the Study:

    • To compare the effectiveness of axillary dissection in modified radical mastectomy versus radical mastectomy.
    • To quantify and compare the number of axillary lymph nodes removed in both surgical procedures.

    Main Methods:

    • Retrospective analysis of two patient cohorts undergoing mastectomy.
    • Cohort 1: 121 patients undergoing radical mastectomy (1964-1969).

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  • Cohort 2: 111 patients undergoing modified radical mastectomy (1969-1973).
  • Comparison of the total number of axillary nodes removed in each group.

    • Main Results:

    • Radical mastectomy: median 22 axillary nodes (mean 23.4) removed.
    • Modified radical mastectomy: median 24 axillary nodes (mean 25.7) removed.
    • The number of nodes removed in both procedures showed significant overlap and comparable ranges.

    Conclusions:

    • Axillary dissection in modified radical mastectomy is as complete as that in Halsted radical mastectomy.
    • Modified radical mastectomy achieves comparable lymph node removal efficacy.
    • This supports the oncologic safety of modified radical mastectomy for axillary staging.