Publications by authors named "Maartje Sier"
Background: Oncoplastic breast conserving surgery (OP-BCS) is becoming increasingly popular to avoid mastectomy or optimize cosmetic outcomes of breast conserving surgery (BCS). Few studies have compared clinical outcomes and patient-reported outcomes (PROs) of OP-BCS to conventional BCS (C-BCS). This study aims to compare clinical outcomes and short and long-term PROs after OP-BCS and C-BCS in a large prospective breast cancer cohort.
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- During the second wave of SARS-CoV-2, a study assessed the quality of life (QoL), physical functioning, and psychosocial well-being in breast cancer patients, following an observed decline during the first wave.
- Results indicated that patient-reported QoL and well-being remained stable or improved, with a notable decrease in emotional loneliness.
- The analysis involved comparing data from breast cancer patients across both waves and a similar non-cancer population, highlighting the resilience of patients during the pandemic.
The impact of the COVID-19 pandemic on perceived access to health care and preferences for health care provision in individuals (being) treated for breast cancer.
Breast Cancer Res Treat
February 2022
Purpose: To evaluate perceived access to health care and preferences for health care provision among patients (being) treated for breast cancer during the COVID-19 pandemic.
Methods: Longitudinal study within the prospective, multicenter UMBRELLA cohort of patients (being) treated for breast cancer. All cohort participants enrolled in UMBRELLA between October 2013 and November 2020 were sent a COVID-19-specific survey during the first and second wave of the COVID-19 pandemic, i.
Purpose: To assess the pathologic and radiologic response in patients with low-risk breast cancer treated with magnetic resonance (MR) guided neoadjuvant partial breast irradiation (NA-PBI) and to evaluate toxicity and patient-reported outcomes (PROs).
Methods And Materials: For this single-arm prospective trial, women with unifocal, non-lobular tumors with a maximum diameter of 20 mm (age, 50-70 years) or 30 mm (age, ≥70 years) and tumor-negative sentinel node(s) were eligible. Patients were treated with a single ablative dose of NA-PBI followed by breast-conserving surgery after an interval of 6 to 8 months.
Purpose: To reduce arm morbidity, routine axillary lymph node dissection (ALND) is often omitted or replaced by axillary radiotherapy (AxRT) in patients with limited nodal involvement. We evaluated patient-reported arm morbidity and physical functioning in breast cancer patients undergoing modern-day axillary treatment.
Methods: All patients within the UMBRELLA cohort undergoing local radiotherapy with sentinel lymph node biopsy (SLNB), ALND and/or AxRT were selected.