{"title":"尿路上皮癌伴膀胱鳞状分化，浸润小肠及腹直肌1例，短股薄肌肌皮瓣治疗","authors":"Kazuto Imai, Norihiko Masuda, Tatsuya Hazama, Kanji Nagahama, Takashi Ito, Takakazu Matsushita, Yoko Muneta, Tadashi Inoue, Toshiya Akao","doi":"10.1002/iju5.70077","DOIUrl":null,"url":null,"abstract":"<div>\n \n \n <section>\n \n <h3> Introduction</h3>\n \n <p>Squamous differentiation (SD) occurs in up to 20% of muscle invasive bladder cancers.</p>\n </section>\n \n <section>\n \n <h3> Case Presentation</h3>\n \n <p>An 85-year-old man with an intrapelvic mass invading the bladder, small intestine, and rectus abdominis presented to our department. Cystoscopy showed a necrotic mass at the dome of the bladder. Histopathological examination of specimens from transurethral resection indicated squamous cell carcinoma. Radical cystectomy with resection of the small intestine and rectus abdominis, and reconstruction of the abdominal wall using a left short gracilis myocutaneous flap was performed. The histopathology showed squamous cell carcinoma and urothelial carcinoma (UC) components; findings consisted of UC with SD. The patient received appropriate flap management and treatment for postoperative complications and was discharged on postoperative Day 100.</p>\n </section>\n \n <section>\n \n <h3> Conclusion</h3>\n \n <p>To our knowledge, this is the first report of an invasive bladder cancer with SD treated with the use of a short gracilis myocutaneous flap.</p>\n </section>\n </div>","PeriodicalId":52909,"journal":{"name":"IJU Case Reports","volume":"8 5","pages":"494-497"},"PeriodicalIF":0.0000,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/iju5.70077","citationCount":"0","resultStr":"{\"title\":\"A Case of Urothelial Carcinoma With Squamous Differentiation of the Bladder, Infiltrating the Small Intestine and Rectus Abdominis, Treated With the Use of a Short Gracilis Myocutaneous Flap\",\"authors\":\"Kazuto Imai, Norihiko Masuda, Tatsuya Hazama, Kanji Nagahama, Takashi Ito, Takakazu Matsushita, Yoko Muneta, Tadashi Inoue, Toshiya Akao\",\"doi\":\"10.1002/iju5.70077\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Introduction</h3>\\n \\n <p>Squamous differentiation (SD) occurs in up to 20% of muscle invasive bladder cancers.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Case Presentation</h3>\\n \\n <p>An 85-year-old man with an intrapelvic mass invading the bladder, small intestine, and rectus abdominis presented to our department. Cystoscopy showed a necrotic mass at the dome of the bladder. Histopathological examination of specimens from transurethral resection indicated squamous cell carcinoma. Radical cystectomy with resection of the small intestine and rectus abdominis, and reconstruction of the abdominal wall using a left short gracilis myocutaneous flap was performed. The histopathology showed squamous cell carcinoma and urothelial carcinoma (UC) components; findings consisted of UC with SD. The patient received appropriate flap management and treatment for postoperative complications and was discharged on postoperative Day 100.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusion</h3>\\n \\n <p>To our knowledge, this is the first report of an invasive bladder cancer with SD treated with the use of a short gracilis myocutaneous flap.</p>\\n </section>\\n </div>\",\"PeriodicalId\":52909,\"journal\":{\"name\":\"IJU Case Reports\",\"volume\":\"8 5\",\"pages\":\"494-497\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-07-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1002/iju5.70077\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IJU Case Reports\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/iju5.70077\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Medicine\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IJU Case Reports","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/iju5.70077","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Medicine","Score":null,"Total":0}
A Case of Urothelial Carcinoma With Squamous Differentiation of the Bladder, Infiltrating the Small Intestine and Rectus Abdominis, Treated With the Use of a Short Gracilis Myocutaneous Flap
Introduction
Squamous differentiation (SD) occurs in up to 20% of muscle invasive bladder cancers.
Case Presentation
An 85-year-old man with an intrapelvic mass invading the bladder, small intestine, and rectus abdominis presented to our department. Cystoscopy showed a necrotic mass at the dome of the bladder. Histopathological examination of specimens from transurethral resection indicated squamous cell carcinoma. Radical cystectomy with resection of the small intestine and rectus abdominis, and reconstruction of the abdominal wall using a left short gracilis myocutaneous flap was performed. The histopathology showed squamous cell carcinoma and urothelial carcinoma (UC) components; findings consisted of UC with SD. The patient received appropriate flap management and treatment for postoperative complications and was discharged on postoperative Day 100.
Conclusion
To our knowledge, this is the first report of an invasive bladder cancer with SD treated with the use of a short gracilis myocutaneous flap.
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