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Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats
Published on: October 16, 2010
Pregnancy associated breast cancer.
M Makgasa1, R S Prichard, C Malone
1Department of Surgery, University College Hospital Galway, Galway.
Irish Medical Journal
|January 30, 2010
Summary
Pregnancy-associated breast cancer (PABC) patients presented with larger tumors and more lymph node involvement than controls. Despite treatment challenges, PABC outcomes were favorable, with healthy children born to treated mothers.
Area of Science:
- Oncology
- Maternal-Fetal Medicine
- Clinical Research
Background:
- Pregnancy-associated breast cancer (PABC) poses unique treatment challenges due to dual maternal and fetal health considerations.
- Early diagnosis and management are critical for improving outcomes in PABC patients.
Purpose of the Study:
- To compare clinical characteristics and treatment outcomes of patients with PABC versus age-matched controls.
- To evaluate the safety and efficacy of multimodal treatment strategies for PABC.
Main Methods:
- Retrospective analysis of 12 PABC patients and 24 age-matched controls.
- Comparison of tumor size, lymphovascular invasion, lymph node involvement, and treatment modalities.
- Assessment of maternal and fetal outcomes, including disease recurrence and child development.
Main Results:
- PABC patients had significantly larger mean tumor size (48.72 mm vs. 26.30 mm) and higher rates of lymphovascular invasion and lymph node involvement.
- 42% of PABC patients received neoadjuvant chemotherapy, and all underwent surgery.
- At 36-month follow-up, one mortality and 17% recurrence rate were observed; all children were healthy.
Conclusions:
- PABC is associated with larger tumors and more advanced disease at diagnosis.
- Multimodal treatment including chemotherapy and surgery can be safely administered during pregnancy.
- Favorable maternal and fetal outcomes are achievable in PABC cases with appropriate management.
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