SPECIFIC CHARACTERISTICS OF BRAIN METASTASIZING IN PATIENTS WITH LUMINAL SUBTYPE OF BREAST CANCER

Autor: A. S. Balkanov, N. N. Petrushkina
Jazyk: ruština
Rok vydání: 2017
Předmět:
Zdroj: Alʹmanah Kliničeskoj Mediciny, Vol 44, Iss 5, Pp 635-639 (2017)
Druh dokumentu: article
ISSN: 2072-0505
2587-9294
DOI: 10.18786/2072-0505-2016-44-5-635-639
Popis: Background: More than half of female patients with breast cancer are diagnosed with a luminal subtype of the disease; however, specific characteristics of its metastases to the brain have been not well studied, unlike those of HER2 positive and triple negative subtypes. Aim: A comparative analysis of characteristics of metastatic brain lesions in patients with luminal breast cancer. Materials and methods: The time from surgery for breast cancer to the first recurrence and to metastatic brain lesions (assessed by contrast-enhanced MRI imaging) was measured in 41 patients with luminal subtype of breast cancer (median age, 49.5±9.6 years), depending on a diameter of the primary tumor and numbers of involved axillary lymph nodes. Results: The time interval to occurrence of brain metastases in luminal subtype of breast cancer is not associated with the size of the tumor. If≥4 axillary lymph nodes are involved (N2–3), brain metastases are identified much earlier (p
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