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The definition of pregnancy-associated breast cancer is outdated and should no longer be used

2021; Elsevier BV; Volume: 22; Issue: 6 Linguagem: Inglês

10.1016/s1470-2045(21)00183-2

1474-5488

Frédéric Amant, Hanne Lefrère, Virginia F. Borges, Elyce Cardonick, Matteo Lambertini, Sibylle Loibl, Fedro A. Peccatori, Ann H. Partridge, Pepper Schedin,

Global Cancer Incidence and Screening

The definition of pregnancy-associated breast cancer (PABC) is inconsistently given as either breast cancer diagnosed exclusively during pregnancy, or combined with cases diagnosed within 6 months to 1 year after the birth. 1 Lyons T Schedin P Borges V Pregnancy and breast cancer: when they collide. J Mammary Gland Biol Neoplasia. 2009; 14: 87-98 Google Scholar Although pregnancy and the postpartum period are intertwined, evolving evidence supports considering breast cancer that occurs during pregnancy (PrBC) as a separate and distinct entity from breast cancer that occurs during the postpartum period (PPBC)—which, according to newer data, can extend to 5–10 years after the birth—because each type has unique biological attributes and prognosis.