Publications by authors named "Eri Habano"

Background: Li-Fraumeni syndrome (LFS), a hereditary condition attributed to TP53 pathogenic variants,(PV), is associated with high risks for various malignant tumors, including breast cancer. Notably, individuals harboring TP53 PVs are more likely (67-83%) to develop HER2 + breast cancer than noncarriers (16-25%). In this retrospective study, we evaluated the associations between TP53 variants and breast cancer phenotype.

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Background: In Japan, the public insurance policy was revised in 2020 to cover hereditary breast and ovarian cancer (HBOC), including genetic testing and surveillance, for patients with breast cancer (BC). Consequently, the demand for risk-reducing salpingo-oophorectomy (RRSO) has increased. This study aimed to clarify the changes in the demand and timing of genetic testing and RRSO associated with public insurance coverage for HBOC in Japan.

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To determine the impact of the coverage of risk-reducing salpingo-oophorectomy (RRSO) and mastectomy (RRM) as well as genetic testing for BRCA pathogenic variants by the national insurance system in Japan. We compared the clinical background of women who underwent RRSO at our institution before and after its coverage by the national insurance system. Those who underwent RRSO between January 2017 and December 2019 and between April 2020 and March 2022 were classified as Period.

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A 24-year-old woman suspected of Lynch syndrome was found to carry a pathogenic variant, based on germline multigene panel testing (MGPT). The patient was diagnosed with endometrial carcinoma and underwent modified radical hysterectomy, bilateral salpingo-oophorectomy, pelvic lymphadenectomy, and omentectomy at the age of 23. Based on her father's history of colorectal cancer and her history of early onset endometrial cancer, mismatch repair protein immunohistochemistry analysis was performed.

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