Pregnancy-Associated Breast Cancer Metastasis to the Brain,
Pregnancy-associated breast cancer is a rare condition after cervical carcinoma [1]. However, it may be associated with hereditary breast and ovarian cancer (HBOC), because the diagnosis of breast cancer at a young age is associated with a higher likelihood of developing HBOC [2]. Furthermore, it is an indicator of HBOC in addition to the family history and tissue pathology. At an appropriate time, genetic counseling should be provided, and the patient with pregnancy-associated breast cancer should be checked for the BRCA mutation. Herein, we describe a case of recurrence of pregnancy-associated breast cancer that is suspected to be HBOC based on the family history and pathology of the isolated tissue.

Case Presentation
A 35-year-old pregnant Japanese woman (gravida 2, para 0-1-0-1) presented to our emergency outpatient department at 18 weeks' gestation with sudden dyslexia and worsening symptoms of aphasia and dyslexia. Brain magnetic resonance imaging (MRI) revealed a solid mass on the left temporal lobe...

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