Incidence and outcomes of contralateral breast cancers

    Research output: Contribution to journalArticle

    54 Scopus citations

    Abstract

    Background: The significance of a contralateral breast cancer is largely unknown, making prophylactic mastectomy controversial. Methods: Differences between stages of initial and contralateral cancers were determined by t test. Survival distributions were compared by log-rank analyses and compared with Surveillance Epidemiology and End Results data for unilateral cancers. Results: Metachronous contralateral cancers occurred at a rate of .13% per year and were of significantly lower stage. Metachronous cancers adversely impacted survival for patients with low-stage initial cancers, but the interval between cancers was less than 36 months. Synchronous tumors occurred in 2.3% of patients; survival was worse than for patients with metachronous cancers. Conclusions: Prophylactic mastectomy is unlikely to be beneficial because of the lower stages and low incidence of second cancers, even for patients with initial low-stage cancers.

    Original languageEnglish (US)
    Pages (from-to)645-650
    Number of pages6
    JournalAmerican journal of surgery
    Volume195
    Issue number5
    DOIs
    StatePublished - May 1 2008

    Keywords

    • Breast cancer
    • Contralateral
    • Metachronous
    • Synchronous

    ASJC Scopus subject areas

    • Surgery

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