Understanding Patient Decision-Making in Breast Cancer Surgery: Risk Perception, Communication, and Psychosocial Influences.

Background

Despite evidence discouraging contralateral prophylactic mastectomy (CPM) in average-risk patients, its use is increasing globally. While well-studied in Western settings, little is known about the factors influencing CPM decisions in the Middle East and North Africa (MENA) region. This study explores clinical, psychosocial, and communication-related factors associated with CPM choices among women with early-stage breast cancer.

Methods

We conducted a retrospective study of 253 early-stage breast cancer patients who underwent mastectomy, with or without CPM, at the American University of Beirut Medical Center. Clinical and demographic data were extracted from medical records, and decision-making factors were assessed through tailored patient questionnaires. Associations were analyzed using chi-square tests and multivariable logistic regression.

Results

Of the 253 women included in the study, 37 underwent CPM, while 216 had unilateral mastectomy (UM). Compared to the UM group, women who chose CPM were more likely to have a college education (96.9% vs. 57.6%, p < 0.001), be employed (69.7% vs. 41.3%, p = 0.002), and report a family history of breast cancer (55.6% vs. 30.2%, p = 0.003). Immediate reconstruction was significantly more common among CPM patients (67.6% vs. 16.4%, p < 0.001), and the 30-day rehospitalization rate was also higher (16.2% vs. 6.1%, p = 0.031). Women in the CPM group were more likely to prioritize extending life (84.6% vs. 56.7%, p = 0.007) and achieving peace of mind (80.8% vs. 49.3%, p = 0.003). Although all CPM patients cited risk reduction as a primary motivator, only 46.2% believed they had a lower recurrence risk than their peers (vs. 20% of UM patients, p < 0.001). Decisions to undergo UM were more frequently influenced by physicians' recommendations (95.3% vs. 53.8%, p < 0.001), whereas CPM decisions appeared to be more patient-driven. Additionally, CPM patients reported more negative expectations and higher dissatisfaction with pain (57.7% vs. 32.0%, p = 0.012) and reconstructive outcomes (54.5% vs. 27.5%, p = 0.035).

Conclusions

In this first study from the MENA region exploring CPM decision-making, choices were largely driven by personal preferences rather than clinical risk. These findings highlight the need for improved risk communication, shared decision-making, and broader integration of genetic counseling in surgical planning.