Annals of surgical oncology · 2022
Surgical Management and Contralateral Breast Cancer Risk in Women with History of Radiation Therapy for Hodgkin Lymphoma: Results from a Population-Based Cohort.
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Eisenberg Elisheva R, Weiss Anna, Prakash Ipshita, Skamene Sonia, Basik Mark, Boileau Jean Francois, Ajjamada Lissa, Pollak Michael N, Wong Stephanie M
Аннотация
BACKGROUND: Women with history of chest irradiation for Hodgkin lymphoma are at increased risk of developing bilateral breast cancer, although contralateral breast cancer risk estimates in this population remain undefined.
METHODS: We queried the SEER database for women treated with radiation therapy for Hodgkin lymphoma prior to age 30 years and were diagnosed with a subsequent breast cancer between 1990-2016. Trends in surgical management and the 5- and 10-year cumulative incidence of contralateral breast cancer were evaluated.
RESULTS: The cohort included 295 women with a median age of 22 years (range 8-30 years) at Hodgkin lymphoma diagnosis, and 42 years (range 22-65 years) at breast cancer diagnosis. Overall, 263 (89.2%) presented with unilateral breast cancer, while 32 (10.8%) presented with synchronous bilateral breast cancer. Breast-conserving surgery was performed in 17.3% of patients, while mastectomy was performed in 82.7%. In 263 patients presenting with unilateral breast cancer, 50 (19.0%) underwent breast-conserving surgery and 213 (81.0%) underwent mastectomy. Subgroup analysis of mastectomy patients demonstrated a 40.5% bilateral mastectomy rate. The 5-year incidence of contralateral breast cancer in women who underwent unilateral surgery was 9.4% [95% confidence interval (CI), 5.6-15.4%], increasing to 20.2% (95% CI, 13.7-29.2%) at 10-year and 29.9% (95% CI, 20.8-41.9%) at 15-year follow-up.
CONCLUSIONS: Women with a history of prior chest radiation for Hodgkin lymphoma with a diagnosis of breast cancer have a 10-year contralateral breast cancer risk of 20%. These findings support consideration of contralateral prophylactic mastectomy during surgical decision-making for management of this high-risk patient population.
METHODS: We queried the SEER database for women treated with radiation therapy for Hodgkin lymphoma prior to age 30 years and were diagnosed with a subsequent breast cancer between 1990-2016. Trends in surgical management and the 5- and 10-year cumulative incidence of contralateral breast cancer were evaluated.
RESULTS: The cohort included 295 women with a median age of 22 years (range 8-30 years) at Hodgkin lymphoma diagnosis, and 42 years (range 22-65 years) at breast cancer diagnosis. Overall, 263 (89.2%) presented with unilateral breast cancer, while 32 (10.8%) presented with synchronous bilateral breast cancer. Breast-conserving surgery was performed in 17.3% of patients, while mastectomy was performed in 82.7%. In 263 patients presenting with unilateral breast cancer, 50 (19.0%) underwent breast-conserving surgery and 213 (81.0%) underwent mastectomy. Subgroup analysis of mastectomy patients demonstrated a 40.5% bilateral mastectomy rate. The 5-year incidence of contralateral breast cancer in women who underwent unilateral surgery was 9.4% [95% confidence interval (CI), 5.6-15.4%], increasing to 20.2% (95% CI, 13.7-29.2%) at 10-year and 29.9% (95% CI, 20.8-41.9%) at 15-year follow-up.
CONCLUSIONS: Women with a history of prior chest radiation for Hodgkin lymphoma with a diagnosis of breast cancer have a 10-year contralateral breast cancer risk of 20%. These findings support consideration of contralateral prophylactic mastectomy during surgical decision-making for management of this high-risk patient population.