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Introduction: In Japan, insurance began covering two cancer gene panel tests in 2019. However, the availability of these tests remains limited to 247 facilities (as of October 2023). This survey-based study assessed the knowledge and recognition of cancer genomic medicine by physicians involved in cancer treatment., Methods: Written requests for participation in a web-based questionnaire survey were sent to 14,579 affiliated general clinical oncologists certified by the Japanese Board of Cancer Therapy. The survey was conducted from July 1 to 31st, 2021. Data between physicians affiliated with cancer genome hospitals and noncancer genome hospitals and between regions of Japan were compared., Results: In total, 2,402 valid responses were analyzed. Of the respondents, 1,296 and 1,106 were physicians working at cancer and noncancer genome hospitals, respectively. Physicians working at cancer genome hospitals showed significantly higher results for both knowledge of cancer genomic medicine and experience in cancer gene panel test performance compared with those working at noncancer genome hospitals. There were no significant regional differences in the percentage of physicians who reported having performed cancer gene panel tests., Conclusions: The survey results suggest a disparity in the knowledge of cancer genomic medicine between physicians working at cancer genome hospitals and those working at noncancer genome hospitals; this disparity should be addressed by stakeholders. Closer collaboration between these facilities may be necessary to achieve national dissemination of cancer genomic medicine., Competing Interests: None, (Copyright © Japan Medical Association.)

Objectives: We conducted a survey to determine whether the general public who participated in a café-style event to raise awareness of advance care planning (ACP) actually implemented ACP after attending the event., Methods: On February 20, 2020, a café-style event (Tokai Blue Café: TBC) was held at the Tokai University Hospital. The TBC consisted of a lecture about ACP, "The Go-Wish Game," and a tea party. A questionnaire-based survey was conducted on ACP implementation after one month of TBC., Results: Of the 14 participants (three males and 11 females), 11 agreed to answer the questionnaire and eight responded. Two respondents were male and six were female. Six of the respondents were aged ≥ 60 years. Seven of the eight respondents implemented ACP with their family members, while none did so with their family doctor, even though all of them indicated that they had a family doctor. Several respondents reported that they were uncomfortable discussing the issue with their doctors., Conclusion: The results indicate that a café-style event as an awareness-raising activity may have a significant effect on ACP implementation, although it suggests that there are some challenges in involving family doctors.

To improve of cerebral blood vessel visualization and reduce cone beam artifacts from high absorbance materials such as bone structure in 3D-CTA of cerebral blood vessels, we suggest that a non-helical overlapping scan (NHOS) be used. We found that the NHOS and the conventional helical scan optimized the conditions for clinical use of the NHOS. Z-resolution in the NHOS was much higher than that in the non-helical scan without slice overlap. FWHM of the NHOS were thin, about 47%, in comparison with that of the helical scan, and NHOS was superior in Z-resolution to that of the helical scan. Moreover, the NHOS had very few artifacts caused by the skull, and was useful for 3D-CTA of cerebral blood vessels.