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Affiliation |
Hospital Urology |
Graduating School 【 display / non-display 】
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-2012.03
Akita University Faculty of Medicine Graduated
Campus Career 【 display / non-display 】
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2022.05-Now
Akita University Hospital Urology Assistant Professor
Research Achievements 【 display / non-display 】
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Kimura Kazuya, Watanabe Kenta, Kobayashi Mizuki, Okubo Keisuke, Sato Hiromi, Narita Shintaro, Wada Yuki, Kumagai Satoshi, Sato Kimihiko, Fukuda Sho, Yoshida Tatsuki, Kodama So, Saruta Yohei, Abe Ryo, Shimodaira Yosuke, Matsuhashi Tamotsu, Arita Junichi, Mori Naoko, Nanjo Hiroshi, Habuchi Tomonori, Iijima Katsunori
Internal Medicine ( 一般社団法人 日本内科学会 ) advpub ( 0 ) 2026
<p>Hydrogel spacers are commonly used to reduce rectal toxicity during radiation therapy for prostate cancer. Although generally safe, rare, serious complications may occur. We report the case of a man with diabetes and renal failure who developed a refractory rectal ulcer and fistula five months after spacer placement, followed by Fournier's gangrene. The patient recovered following surgical drainage and antibiotic therapy. This is the first reported case of Fournier's gangrene following hydrogel spacer insertion. Spacer-related rectal wall infiltration might have contributed to this finding. Clinicians should recognize such adverse events and consider early intervention in high-risk patients presenting with hematochezia or perineal symptoms. </p>
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Complications of robot-assisted nephroureterectomy and their management
Japanese Journal of Endourology and Robotics ( Japanese Society of Endourology and Robotics ) 38 ( 2 ) 189 - 192 2025
<p> April 2022, robot-assisted nephroureterectomy (RANU) was approved for insurance coverage in Japan. Consequently, the number of facilities performing the procedure is gradually increasing. We compared the perioperative outcomes between patients with upper tract urothelial carcinoma treated with RANU (the RANU group, 19 cases) and conventional laparoscopic surgery (the CLS group, 21 cases) at the Department of Urology, Akita University Hospital. In the CLS group, estimated blood loss was significantly higher, with two cases requiring blood transfusion. Although the frequency of lymph node dissection was similar between the groups, the mean number of lymph nodes removed was higher in the RANU group. Further, although there was no significant difference in the overall incidence of perioperative complications based on the Clavien-Dindo classification grading system, chylous ascites was more frequent in the RANU group. Considering the possibility of incomplete lymphatic vessel sealing during lymph node dissection in RANU, we believe that frequent clipping and the proactive use of sealing devices are essential to ensure effective lymphatic control and reduce complication like chylous ascites.</p>
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Four Cases of Bladder Cancer in Young Patients with Severe Motor and Intellectual Disabilities
NARA Taketoshi, NUMAKURA Kazuyuki, KIKUCHI Akane, SEKINE Yuya, MUTO Yumina, KOBAYASHI Mizuki, KASHIMA Soki, YAMAMOTO Ryohei, SAITO Mitsuru, NARITA Shintaro, HABUCHI Tomonori
70 ( 8 ) 227 - 231 2024.08
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Kobayashi Mizuki, Inoue Takamitsu, Nara Taketoshi, Chiba Shuji, Kanda Sohei, Tsuruta Hiroshi, Numakura Kazuyuki, Saito Mitsuru, Narita Shintaro, Satoh Shigeru, Tsuchiya Norihiko, Habuchi Tomonori
66 ( 1 ) 1 - 4 2020.01
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Kobayashi Mizuki, Saito Mitsuru, Akihama Susumu, Kumazawa Teruaki, Igarashi Ryoma, Yamamoto Ryohei, Takayama Koichiro, Tsuruta Hiroshi, Inoue Takamitsu, Narita Shintaro, Tsuchiya Norihiko, Satoh Shigeru, Habuchi Tomonori
63 ( 3 ) 111 - 114 2017.03
◆Other【 display / non-display 】
Grant-in-Aid for Scientific Research 【 display / non-display 】
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Grant-in-Aid for Scientific Research(C)
Project Year： 2024.04 - 2027.03
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Grant-in-Aid for Scientific Research(C)
Project Year： 2020.04 - 2023.03