Male Breast Cancer

  • Male breast cancer:
    • Accounts for less than 1% of all breast cancers
  • There have been no randomized control trials:
    • For surgical management of breast cancer in men
  • Although breast conservation is increasing:
    • The current surgical management remains:
      • Simple mastectomy with sentinel lymph node biopsy:
      • Sentinel lymph node biopsy has been demonstrated to be accurate in men
  • There are no data to support staging studies:
    • Such as positron emission tomography (PET) or computed tomography (CT):
      • In early-stage breast cancer in either men or women
  • The role of the 21-gene signature assay:
    • Is an emerging field in male breast cancer
    • There is no role for this assay without nodal evaluation
  • References
    • Fentiman IS. Surgical options for male breast cancer. Breast Cancer Res Treat. 2018;172(3):539-544.
    • Gentilini O, Chagas E, Zurrida S, Intra M, De Cicco C, Gatti G, et al. Sentinel lymph node biopsy in male patients with early breast cancer. Oncologist. 2007;12(5):512-515.
    • Massarweh SA, Sledge GW, Miller DP, McCullough D, Petkov VI, Shak S. Molecular characterization and mortality from breast cancer in men. J Clin Oncol 2018;36:1396-1404.
    • Giordano SH. Breast cancer in men. N Engl J Med. 2018;378(24):2311–2320.

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