Analyzing spatial distribution between ¹⁸F-fluorodeoxyglucose and ¹⁸F-boronophenylalanine positron emission tomography to investigate selection indicators for boron neutron capture therapy.

"Declarations Ethics approval and consent to participateThere is no ethical problem or conflict of interest regarding this manuscript. This study was approved by the institutional review board of national cancer center hospital, Tokyo, Japan (approval number, 2017-091), and all the participants agreed with informed consent. Consent for publicationNot applicable. Competing interestsThis study was supported by research funds from Cancer Intelligence Care Systems, Inc. (Satoshi Nakamura). This study was also supported by commissioned study from Stella Pharma Corporation and Cancer Intelligence Care Systems, Inc. (Hiroshi Igaki). These sponsors had no roles in the design, execution, interpretation, or writing of this study. All other authors had no conflict of interest to report. Competing interests This study was supported by research funds from Cancer Intelligence Care Systems, Inc. (Satoshi Nakamura). This study was also supported by commissioned study from Stella Pharma Corporation and Cancer Intelligence Care Systems, Inc. (Hiroshi Igaki). These sponsors had no roles in the design, execution, interpretation, or writing of this study. All other authors had no conflict of interest to report."

"Funding This study was partly supported by Grant-in-Aid for Young Scientists from the Ministry of Education, Culture, Sports, Science and Technology (Grant Number 19K17218), the National Cancer Center Research and Development Fund (2022-A-18), a grant from the Japanese Society for Radiation Oncology (2020-2021), and research funds from Cancer Intelligence Care Systems. Inc."