{"title":"变性男性的子宫内膜癌和子宫内膜变化：从使用睾酮的日本人身上获得的启示。","authors":"Mariko Nakahara, Hiroshi Yoshida, Aiko Sakamoto, Takeshi Taguchi, Masaya Uno, Tomoyasu Kato, Mitsuya Ishikawa","doi":"10.1111/jog.16099","DOIUrl":null,"url":null,"abstract":"<div>\n \n \n <section>\n \n <h3> Aim</h3>\n \n <p>Endometrial changes in Japanese transgender men (TGM) on testosterone use remain elucidated. This study aims to present TGM with endometrial cancer and insights from a literature review of similar cases. Furthermore, we investigated the correlation between endometrial cancer and severe obesity in TGM who underwent gender-affirming surgery.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>Between July 2020 and April 2023, two groups were assessed: 2 TGM with endometrial cancer and 43 TGM without cancer who underwent gender-affirming surgery. A literature review for TGM with endometrial cancer was conducted. Clinical data were retrospectively collected, and histopathological evaluation of female genital organs was performed.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>Two TGM with endometrial cancer and an additional four similar cases were identified through a literature search. These TGM had severe obesity (body mass index [BMI] ≥30 kg/m<sup>2</sup>) and long-term testosterone use, indicating a possible link between endometrial cancer and these factors. Subsequently, we investigated the 43 TGM without cancer. We revealed 30% with obesity (BMI ≥25), only three cases of severe obesity (BMI ≥30), and a significant correlation between testosterone use duration and BMI in TGM without cancer. Histological examination revealed focal proliferative endometrium in 51% of cases and polycystic ovarian changes in 77%.</p>\n </section>\n \n <section>\n \n <h3> Conclusions</h3>\n \n <p>Our observations suggest a potential link between severe obesity, prolonged testosterone use, and endometrial cancer in transgender men. Histological changes in the female genital tract highlighted frequent focal proliferative endometrium, even under testosterone therapy. Further research should focus on larger, multi-institutional studies to confirm these findings and establish endometrial cancer screening for Japanese TGM.</p>\n </section>\n </div>","PeriodicalId":16593,"journal":{"name":"Journal of Obstetrics and Gynaecology Research","volume":"50 11","pages":"2019-2028"},"PeriodicalIF":1.6000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jog.16099","citationCount":"0","resultStr":"{\"title\":\"Endometrial cancer and endometrial changes in transgender men: Insights from Japanese individuals on testosterone\",\"authors\":\"Mariko Nakahara, Hiroshi Yoshida, Aiko Sakamoto, Takeshi Taguchi, Masaya Uno, Tomoyasu Kato, Mitsuya Ishikawa\",\"doi\":\"10.1111/jog.16099\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Aim</h3>\\n \\n <p>Endometrial changes in Japanese transgender men (TGM) on testosterone use remain elucidated. This study aims to present TGM with endometrial cancer and insights from a literature review of similar cases. Furthermore, we investigated the correlation between endometrial cancer and severe obesity in TGM who underwent gender-affirming surgery.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>Between July 2020 and April 2023, two groups were assessed: 2 TGM with endometrial cancer and 43 TGM without cancer who underwent gender-affirming surgery. A literature review for TGM with endometrial cancer was conducted. Clinical data were retrospectively collected, and histopathological evaluation of female genital organs was performed.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>Two TGM with endometrial cancer and an additional four similar cases were identified through a literature search. These TGM had severe obesity (body mass index [BMI] ≥30 kg/m<sup>2</sup>) and long-term testosterone use, indicating a possible link between endometrial cancer and these factors. Subsequently, we investigated the 43 TGM without cancer. We revealed 30% with obesity (BMI ≥25), only three cases of severe obesity (BMI ≥30), and a significant correlation between testosterone use duration and BMI in TGM without cancer. Histological examination revealed focal proliferative endometrium in 51% of cases and polycystic ovarian changes in 77%.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusions</h3>\\n \\n <p>Our observations suggest a potential link between severe obesity, prolonged testosterone use, and endometrial cancer in transgender men. Histological changes in the female genital tract highlighted frequent focal proliferative endometrium, even under testosterone therapy. Further research should focus on larger, multi-institutional studies to confirm these findings and establish endometrial cancer screening for Japanese TGM.</p>\\n </section>\\n </div>\",\"PeriodicalId\":16593,\"journal\":{\"name\":\"Journal of Obstetrics and Gynaecology Research\",\"volume\":\"50 11\",\"pages\":\"2019-2028\"},\"PeriodicalIF\":1.6000,\"publicationDate\":\"2024-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jog.16099\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Obstetrics and Gynaecology Research\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/jog.16099\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"OBSTETRICS & GYNECOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Obstetrics and Gynaecology Research","FirstCategoryId":"3","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jog.16099","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"OBSTETRICS & GYNECOLOGY","Score":null,"Total":0}
Endometrial cancer and endometrial changes in transgender men: Insights from Japanese individuals on testosterone
Aim
Endometrial changes in Japanese transgender men (TGM) on testosterone use remain elucidated. This study aims to present TGM with endometrial cancer and insights from a literature review of similar cases. Furthermore, we investigated the correlation between endometrial cancer and severe obesity in TGM who underwent gender-affirming surgery.
Methods
Between July 2020 and April 2023, two groups were assessed: 2 TGM with endometrial cancer and 43 TGM without cancer who underwent gender-affirming surgery. A literature review for TGM with endometrial cancer was conducted. Clinical data were retrospectively collected, and histopathological evaluation of female genital organs was performed.
Results
Two TGM with endometrial cancer and an additional four similar cases were identified through a literature search. These TGM had severe obesity (body mass index [BMI] ≥30 kg/m2) and long-term testosterone use, indicating a possible link between endometrial cancer and these factors. Subsequently, we investigated the 43 TGM without cancer. We revealed 30% with obesity (BMI ≥25), only three cases of severe obesity (BMI ≥30), and a significant correlation between testosterone use duration and BMI in TGM without cancer. Histological examination revealed focal proliferative endometrium in 51% of cases and polycystic ovarian changes in 77%.
Conclusions
Our observations suggest a potential link between severe obesity, prolonged testosterone use, and endometrial cancer in transgender men. Histological changes in the female genital tract highlighted frequent focal proliferative endometrium, even under testosterone therapy. Further research should focus on larger, multi-institutional studies to confirm these findings and establish endometrial cancer screening for Japanese TGM.
期刊介绍：
The Journal of Obstetrics and Gynaecology Research is the official Journal of the Asia and Oceania Federation of Obstetrics and Gynecology and of the Japan Society of Obstetrics and Gynecology, and aims to provide a medium for the publication of articles in the fields of obstetrics and gynecology.
The Journal publishes original research articles, case reports, review articles and letters to the editor. The Journal will give publication priority to original research articles over case reports. Accepted papers become the exclusive licence of the Journal. Manuscripts are peer reviewed by at least two referees and/or Associate Editors expert in the field of the submitted paper.
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