Breast Cancer Patients with Brain Metastases: A Cross-Sectional Study.

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Simsek, MELİH
Aliyev, Altay
Baydas, Tuba
Besiroglu, Mehmet
Demir, Tarik
Shbair, Abdallah Tm
Seker, Mesut
Turk, H Mehmet
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The prognosis of breast cancer patients with brain metastasis is poor. It was aimed to define the clinicopathological features of breast cancer patients with brain metastases and to determine the risk factors and survival outcomes associated with brain metastasis. This is a single-center, retrospective, cross-sectional study. A total number of 127 patients diagnosed with breast cancer and who developed brain metastasis between January 2011 and March 2021 were retrospectively analyzed. The survival and clinicopathological data of these patients according to 4 biological subtypes were evaluated (luminal A, luminal B, HER-2 overexpressing, and triple-negative). The median overall survival for all patients was 45.6 months. The median time from the diagnosis of breast cancer to the occurrence of brain metastasis was 29.7 months, and the median survival time after brain metastasis was 7.2 months. The time from the diagnosis of breast cancer to brain metastasis development was significantly shorter in HER-2 overexpressing and triple-negative subtypes than in luminal A and B subtypes. The median time from breast cancer diagnosis to brain metastasis was 33.5 months in luminal A, 40.6 months in luminal B, 16.8 months in HER-2 overexpressing, and 22.8 months in the triple-negative groups (p=0.003). We found the worst median survival after brain metastasis in the triple-negative group with 3.5 months. Early and close surveillance of high-risk patients may help early diagnosis of brain metastasis and may provide to perform effective treatments leading to longer overall survival times for this patient population.
Simsek M., Aliyev A., Baydas T., Besiroglu M., Demir T., Shbair A. T. , Seker M., Turk H. M. , -Breast Cancer Patients with Brain Metastases: A Cross-Sectional Study.-, The breast journal, cilt.2022, ss.5763810, 2022
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