Faculty Profiles - NASU Yasutomo

Papers - NASU Yasutomo

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Nitroxoline inhibits bladder cancer progression by reversing EMT process and enhancing anti-tumor immunity. International journal

Naijin Xu, Wenfeng Lin, Jingkai Sun, Takuya Sadahira, Abai Xu, Masami Watanabe, Kai Guo, Motoo Araki, Gonghui Li, Chunxiao Liu, Yasutomo Nasu, Peng Huang

Journal of Cancer 11 ( 22 ) 6633 - 6641 2020.7

Language：English Publishing type：Research paper (scientific journal)

Nitroxoline is considered to be an effective treatment for the urinary tract infections. Recently, it has been found to be effective against several cancers. However, few studies have examined the anti-tumor activity of nitroxoline in bladder cancer. The purpose of the study was to reveal the possible mechanisms how nitroxoline inhibited bladder cancer progression. In vitro assay, we demonstrated that nitroxoline inhibited bladder cancer cell growth and migration in a concentration-related manner. Western blot analysis demonstrated that nitroxoline downregulated the expressions of epithelial mesenchymal transition (EMT)-related proteins. Furthermore, treatment with nitroxoline in the C3H/He mice bladder cancer subcutaneous model resulted in significant inhibition of tumor growth. Moreover, the percentage of myeloid-derived suppressor cells (MDSC) in peripheral blood cells significantly decreased after treatment of nitroxoline. Taken together, our results suggested that nitroxoline may be used as a potential drug for bladder cancer.

DOI： 10.7150/jca.47025

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Impact of sarcopenia on longitudinal erectile functional outcomes after nerve-sparing robot assisted radical prostatectomy

Mitsui Y, Sadahira T, Maruyama Y, Araki M, Kobayashi Y, Watanabe M, Watanabe T, Nasu Y

Eur Urol Open Sci 19 ( Suppl 2 ) e1112 2020.7

The second opinion pathology review improves concordance between prostate biopsy and radical prostatectomy specimens

Maruyama Y, Sadahira T, Araki M, Mitsui Y, Wada K, Edamura K, Kobayashi Y, Watanabe M, Watanabe T, Nasu Y

Eur Urol Open Sci 19 ( Suppl 2 ) e1556 2020.7

Preventive efficacy and safety of lactobacillus vaginal suppositories in women with recurrent cystitis: A phase 2 study

Sadahira T, Wada K, Ishii A, Maruyama Y, Iwata T, Araki M, Watanabe M, Watanabe T, Nasu Y

Eur Urol Open Sci 19 ( Suppl 2 ) e2036 2020.7

Mixed 20-peptide cancer vaccine in combination with docetaxel and dexamethasone for castration-resistant prostate cancer: a randomized phase II trial. International journal

Masanori Noguchi, Gaku Arai, Shin Egawa, Chikara Ohyama, Seiji Naito, Kazumasa Matsumoto, Hirotsugu Uemura, Masayuki Nakagawa, Yasutomo Nasu, Masatoshi Eto, Shigetaka Suekane, Tetsuro Sasada, Shigeki Shichijo, Akira Yamada, Tatsuyuki Kakuma, Kyogo Itoh

Cancer immunology, immunotherapy : CII 69 ( 5 ) 847 - 857 2020.5

Language：English Publishing type：Research paper (scientific journal)

A novel cancer vaccine consisting of 20 mixed peptides (KRM-20) was designed to induce cytotoxic T lymphocytes (CTL) against twelve different tumor-associated antigens. The aim of this phase II trial was to examine whether KRM-20 in combination with docetaxel and dexamethasone enhances the antitumor effects in patients with castration-resistant prostate cancer (CRPC). In this double-blind, placebo-controlled, randomized phase II study, we enrolled chemotherapy-naïve patients with CRPC from ten medical centers in Japan. Eligible patients were randomly assigned 1:1 centrally to receive either KRM-20 combined with docetaxel and dexamethasone (n = 25) or placebo with docetaxel and dexamethasone (n = 26). The primary endpoint was the difference in prostate-specific antigen (PSA) decline between each treatment. The rates of > 50% PSA decline in the two arms were similar (56.5% versus 53.8%; P = 0.851). Human leukocyte antigen (HLA)-matched peptide-specific immunoglobulin G (P = 0.018) and CTL (P = 0.007) responses in the KRM-20 arm significantly increased after treatment. The addition of KRM-20 did not increase toxicity. There were no between-group differences in progression-free or overall survival (OS). The addition of KRM-20 was safe, and similar PSA decline and HLA-matched peptide-specific CTL and IgG responses increased in combination with docetaxel and dexamethasone in CRPC patients. Subgroup analysis suggested that this treatment is favorable for CRPC patients with ≥ 26% lymphocytes or PSA levels of < 11.2 ng/ml, but further clinical trials comparing OS are required.

DOI： 10.1007/s00262-020-02498-8

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Clinical Practice Guidelines for Bladder Cancer 2019 edition by the Japanese Urological Association: Revision working position paper

Hiroaki Matsumoto, Koji Shiraishi, Haruhito Azuma, Keiji Inoue, Hirotsugu Uemura, Masatoshi Eto, Chikara Ohyama, Osamu Ogawa, Eiji Kikuchi, Hiroshi Kitamura, Nobuo Shinohara, Satoru Takahashi, Toyonori Tsuzuki, Masayuki Nakagawa, Yoshifumi Narumi, Hiroyuki Nishiyama, Tomonori Habuchi, Shiro Hinotsu, Yasuhisa Fujii, Kiyohide Fujimoto, Hiroyuki Fujimoto, Takashi Mizowaki, Hideyasu Matsuyama, Nobuyuki Sekita, Hiroshi Juri, Yuki Inada, Takashige Abe, Hideo Fukuhara, Yukio Naya, Satoshi Mutoh, Shigehisa Kitano, Takashi Kobayashi, Teruo Inamoto, Makito Miyake, Junichi Inokuchi, Tetsutaro Hayashi, Takahiro Kojima, Katsuyoshi Hashine, Toshiki Kijima, Yoshiyuki Matsui, Tomohiko Hara, Shingo Hatakeyama, Yoshiaki Yamamoto, Shintaro Narita, Tomoyasu Tsushima, Takafumi Miura, Takeru Shiroiwa, Mototsugu Oya, Momokazu Gotoh, Haruki Kume, Yasutomo Nasu, Katsuyuki Tsunemune

International Journal of Urology 27 ( 5 ) 362 - 368 2020.5

Clinical experience with pembrolizumab in the treatment of advanced urothelial cancer

Yusuke Tominaga, Atsushi Takamoto, Takanori Sekito, Syogo Watari, Yuko Oiwa, Risa Kubota, Satoshi Katayama, Takehiro Iwata, Shingo Nishimura, Tomoko Sako, Koichiro Wada, Kohei Edamura, Yasuyuki Kobayashi, Motoo Araki, Toyohiko Watanabe, Yasutomo Nasu

Nishinihon Journal of Urology 82 ( 1 ) 106 - 110 2020.4

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The West Japan Urological Association

[Introduction and objective) Pembrolizumab, a programmed death one checkpoint inhibitor, was approved as second-line treatment of advanced urothelial cancer (UC). We performed a pilot study to investigate the effect of pembrolizumab. [Methods and patients) 19 patients who were treated with pembrolizumab from April 2018 to July 2019 were retrospectively reviewed and analyzed to evaluate efficacy and safety. Pembrolizumab was administered after platinum-based chemotherapy. [Results) The median age was 68 years old
male-to-female ratio was 14:5
primary lesions were upper urinary tract, bladder and others (10, 7 and 2, respectively)
recurrence lesions were lymph nodes, lung, bone and liver (14, 9, 4 and 2, respectively). The median number of cycles was three courses (range, 1-16). The objective response rate, median progression-free survival period (PFS), and median overall survival period (OS) were 24%, 2.7 months and 9.1 months, respectively. Pembrolizumab showed a long-term effect for all responsive cases until the end of the follow-up period. Immune-related adverse events (irAE) were observed in four patients. Neutrophil-to-lymphocyte ratio was negatively correlated with PFS, but not significantly correlated with OS. [Conclusion) Pembrolizumab demonstrated a comparable efficacy and safety profile in the treatment of advanced UC. In particular, responsive cases showed a durable response. Further investigation is required to identify predictive markers that can be routinely used in clinical practice.

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Factors predicting pathological upgrading after prostatectomy in patients with Gleason grade group 1 prostate cancer based on opinion-matched biopsy specimens. Reviewed International journal

Yuki Maruyama, Takuya Sadahira, Motoo Araki, Yosuke Mitsui, Koichiro Wada, Acosta Gonzalez Herik Rodrigo, Kazuaki Munetomo, Yasuyuki Kobayashi, Masami Watanabe, Hiroyuki Yanai, Toyohiko Watanabe, Yasutomo Nasu

Molecular and clinical oncology 12 ( 4 ) 384 - 389 2020.4

Language：English Publishing type：Research paper (scientific journal)

The present study investigated the concordance between Gleason scores assigned to prostate biopsy specimens by outside pathologists and a urological pathology expert, and determined the risk of upgrading between opinion-matched Gleason grade group (GGG) 1 biopsy specimens and radical prostatectomy specimens. Between January 2012 and May 2018, 733 patients underwent robot-assisted radical prostatectomy. Patients whose original biopsy specimens from outside hospitals were reviewed by a urological pathology expert Okayama University Hospital were included. Patients who had received neoadjuvant hormonal therapy were excluded. Logistic regression analysis was used to identify predictors of upgrading among GGG 1 diagnoses. A total of 403 patients were included in the present study. Agreement in GGG between initial and second-opinion diagnoses was present in 256 cases (63.5%). Although opinion-matched cases improved concordance between biopsy and prostatectomy specimen GGG compared with single-opinion cases (initial, 35.2%; second-opinion, 36.5%; matched, 41.4%), 71% (56/79) of cases classified as GGG 1 were upgraded after prostatectomy. Multivariate analysis revealed that prostate-specific antigen density and Prostate Imaging Reporting and Data System version 2 score were significant predictors of upgrading (odds ratio, 1.10; P=0.01; and odds ratio, 1.88; P=0.03, respectively). In conclusion, the GGG concordance rate between needle-core biopsy and radical prostatectomy specimens was higher in opinion-matched cases; however, 71% of opinion-matched GGG1 cases were upgraded after robot-assisted radical prostatectomy. Urologists should propose treatment strategies or further biopsy rather than active surveillance for patients with GGG1 and a high PSAD and/or PI-RADS score.

DOI： 10.3892/mco.2020.1996

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Quality of Life and Mental Satisfaction Improve Slowly in Preemptive Kidney Transplantation Compared With Nonpreemptive Kidney Transplantation. Reviewed International journal

Yosuke Mitsui, Motoo Araki, Yuki Maruyama, Kasumi Yoshinaga, Takuya Sadahira, Koichiro Wada, Katsuyuki Tanabe, Masashi Kitagawa, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

Transplantation proceedings 52 ( 3 ) 740 - 747 2020.3

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND AND AIMS: Preemptive kidney transplantation (PEKT) is recognized as the best therapy to avoid dialysis. However, it is not clear whether PEKT recipients experience an improvement in quality of life (QoL) after kidney transplantation (KT) that exceeds that of non-PEKT recipients, since PEKT recipients have not experienced the heavy burden of dialysis. The aim of this study was to compare the changes in QoL for PEKT and non-PEKT recipients following transplantation. METHODS: Patients included in this study underwent living donor KT in our hospital. We excluded patients with incomplete SF-36 scores and with factors that could affect QoL, such as complications or rejection. QoL was assessed by the Short Form 36-Item Health Survey version 2.0 preoperatively and 3 and 12 months postoperatively. RESULTS: Eighty-eight patients underwent living donor KT in our hospital. Twelve PEKT and 20 non-PEKT recipients were enrolled in this retrospective study. In the non-PEKT group, both the physical and mental domain scores dramatically improved from baseline at 3 months, and remained at a similar level at 12 months. In contrast, in the PEKT group, only 1 domain of the physical and mental score improved at 3 months, and the social functioning score gradually improved at 12 months. Although the mental component score showed significant improvement in the non-PEKT group, it did not change in the PEKT group. CONCLUSIONS: The improvement of QoL after transplantation is more evident in the non-PEKT group. PEKT recipients have less mental satisfaction than non-PEKT recipients.

DOI： 10.1016/j.transproceed.2020.01.042

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Administration of sitafloxacin (200 mg/day) for | non-gonococcal urethritis

Koichiro Wadal, Takuya Sadahira, Motoo Arakf, I Toyohiko Watanabe, Yasutomo Nasu

Japanese Journal of Chemotherapy 68 ( 2 ) 181 - 185 2020.3

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：Japan Society of Chemotherapy

Male urethritis is a common disease encountered by clinicians, and at the initial visit to an outpatient clinic, male urethritis is diagnosed as gonococcal urethritis or non-gonococcal urethritis (NGU) and treated with antimicrobial agents. In patients with NGU. Chlamydia trachomatis is the most common pathogen: However, examination for pathogens other than Neisseria gonorrhoeae and C. trachomatis is not approved by insurance providers in Japan In general, diagnosis of chlamydial/non-chlamydial urethritis is made after first-line antimicrobial administration to patients with NGU. Clinicians should administer second-line treatment for non-gonococcal or treatment-refractory urethritis cases in which Mycoplasma genitalium or other drug-resistant pathogens are likely. According to Japanese guidelines, sitafloxacin (STFX) is recommended as the first-line drug for chlamydial urethritis and as the second-line regimen for oon-chlamydial NGU. Randomized controlled trials in Japan have reported superior outcomes with STFX as compared to azithromycin (AZM) in patients with NGU. Thus, although AZM is the first-line therapy of choice for NGU. including non-chlamydial NGU. STFX should be used not only for treatment-refractory patients, but also as first-line therapy for selected cases of NGU.

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Differentiation of Small (≤ 4 cm) Renal Masses on Multiphase Contrast-Enhanced CT by Deep Learning. International journal

Takashi Tanaka, Yong Huang, Yohei Marukawa, Yuka Tsuboi, Yoshihisa Masaoka, Katsuhide Kojima, Toshihiro Iguchi, Takao Hiraki, Hideo Gobara, Hiroyuki Yanai, Yasutomo Nasu, Susumu Kanazawa

AJR. American journal of roentgenology 214 ( 3 ) 605 - 612 2020.3

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVE. This study evaluated the utility of a deep learning method for determining whether a small (≤ 4 cm) solid renal mass was benign or malignant on multiphase contrast-enhanced CT. MATERIALS AND METHODS. This retrospective study included 1807 image sets from 168 pathologically diagnosed small (≤ 4 cm) solid renal masses with four CT phases (unenhanced, corticomedullary, nephrogenic, and excretory) in 159 patients between 2012 and 2016. Masses were classified as malignant (n = 136) or benign (n = 32). The dataset was randomly divided into five subsets: four were used for augmentation and supervised training (48,832 images), and one was used for testing (281 images). The Inception-v3 architecture convolutional neural network (CNN) model was used. The AUC for malignancy and accuracy at optimal cutoff values of output data were evaluated in six different CNN models. Multivariate logistic regression analysis was also performed. RESULTS. Malignant and benign lesions showed no significant difference of size. The AUC value of corticomedullary phase was higher than that of other phases (corticomedullary vs excretory, p = 0.022). The highest accuracy (88%) was achieved in corticomedullary phase images. Multivariate analysis revealed that the CNN model of corticomedullary phase was a significant predictor for malignancy compared with other CNN models, age, sex, and lesion size. CONCLUSION. A deep learning method with a CNN allowed acceptable differentiation of small (≤ 4 cm) solid renal masses in dynamic CT images, especially in the corticomedullary image model.

DOI： 10.2214/AJR.19.22074

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Robotic Renal Autotransplantation: A Feasibility Study in a Porcine Model. Reviewed

Risa Kubota, Motoo Araki, Koichiro Wada, Kasumi Kawamura, Yuki Maruyama, Yosuke Mitsui, Takuya Sadahira, Yuichi Ariyoshi, Takehiro Iwata, Shingo Nishimura, Atsushi Takamoto, Tomoko Sako, Kohei Edamura, Yasuyuki Kobayashi, Yuzuki Kano, Masashi Kitagawa, Katsuyuki Tanabe, Hitoshi Sugiyama, Jun Wada, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

Acta medica Okayama 74 ( 1 ) 53 - 58 2020.2

Language：English Publishing type：Research paper (scientific journal)

We investigated the feasibility of robotic renal autotransplantation (RAT) in a porcine model to reduce invasiveness of RAT. Five pigs underwent robotic RAT using the da Vinci® robotic system. A robotic left nephrectomy was performed in all cases. Robotic RAT was performed on the left side in all but one case. Four ports were used. In 3 cases, the kidney was taken out through the GelPort® and irrigated on ice with Ringer's solution. In 2 cases, a complete intracorporeal robotic RAT was performed. An end-to-side anastomosis was performed between the renal vein and the external iliac vein and between the renal artery and the external iliac artery. Ureteroneocystostomy was also performed in 2 cases. All cases were performed robotically without open conversion. The median (IQR) console time was 3.1 (0.7) h, and the operative time was 3.8 (1.1) h. The estimated blood loss was 30 (0) ml. The warm ischemia time was 4.0 (0.2) min, and the cold ischemia time was 97 (17) min. Intracorporeal transarterial hypothermic renal perfusion was feasible in the 2 complete intracorporeal robotic RAT cases by using a perfusion catheter through a laparoscopic port. Robotic RAT has the potential to be a new minimally invasive substitute for conventional open surgery.

DOI： 10.18926/AMO/57953

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ハイドロゲルスペーサーを併用した前立腺癌密封小線源永久挿入療法の1例

田邊新, 片山敬久, 福間省吾, 三道幹大, 大野凌, 大川広, 渡邉謙太, 金澤右, 勝井邦彰, 大岩裕子, 高本篤, 那須保友

Japanese Journal of Radiology 38 ( Suppl. ) 75 - 75 2020.2

Post-ablation syndrome after percutaneous cryoablation of small renal tumors: A prospective study of incidence, severity, duration, and effect on lifestyle

Kawabata T, Hiraki T, Iguchi T, Matsui Y. Uka M, Masaoka Y, Komaki T, Sakurai J, Gobara H, Araki M, Nasu Y, Kanazawa S

Eur J Radiol 2020

Comparison of longitudinal health-related quality-of-life outcomes between anterior and posterior surgical approaches to robot-assisted radical prostatectomy. International journal

Yuki Maruyama, Takuya Sadahira, Motoo Araki, Yosuke Mitsui, Koichiro Wada, Ryuta Tanimoto, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

Journal of robotic surgery 14 ( 2 ) 255 - 260 2020

Language：English Publishing type：Research paper (scientific journal)

Increasingly, studies have explored health-related quality-of-life (HRQOL) outcomes after robot-assisted radical prostatectomy (RARP). Nevertheless, no study has compared differences between anterior and posterior surgical approaches. The aim of this study is to assess differences of HRQOL following these two surgical approaches. From January 2012 to September 2017, 653 patients underwent RARP at our institution. We included patients who underwent operations by three experienced surgeons with interchangeability of role as console operator, and who could evaluate preoperatively the Expanded Prostate Cancer Index Composite (EPIC) score. Patients treated with neoadjuvant hormonal therapy were excluded. HRQOL was assessed using the EPIC score, and the questionnaire was administered at 6 timepoints: the baseline survey was conducted within 3 months before the surgery, and follow-up surveys were conducted at 2 weeks, 1, 3, 6, and 12 months after surgery. We defined the minimal clinically important difference (MCID) as half the standard deviation of the baseline score for each domain. A total of 201 patients were included in this retrospective study. Of these, 146 patients underwent RARP using an anterior surgical approach and 55 patients underwent a posterior approach. The clinical characteristics had no significant differences except for median prostate volume between the anterior and posterior groups (27 ml vs 29 ml, p = 0.049). There were no significant differences between the two groups in score decline beyond the MCID in any domain at any timepoint. Our study demonstrates no significant differences in HRQOL between anterior and posterior surgical approaches to RARP.

DOI： 10.1007/s11701-019-00975-6

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生体腎移植後に急性浸潤性の再燃を呈した副鼻腔真菌症の1例

西村慎吾, 和田耕一郎, 小林泰之, 渡邉豊彦, 村井綾, 檜垣貴哉, 那須保友, 荒木元朗, 関戸崇了, 吉永香澄, 和田里章悟, 丸山雄樹, 光井洋介, 窪田理沙, 山下美里

移植 55 387_3 - 387_3 2020

Language：Japanese Publisher：一般社団法人日本移植学会

<p>症例は65歳男性。糖尿病性腎症による末期腎不全に対する腎移植術前CTにて右蝶形骨洞に真菌を疑う軟部影を認めたが、無症候性であった。しかしながら、移植後の免疫抑制状態で劇症型になる可能性を考慮し、移植3カ月前に内視鏡下副鼻腔手術ESSにて糸状菌塊を除去（粘膜への真菌浸潤なし）、追加治療することなく経過は安定していた。生体腎移植については妻をドナーとしたABO不適合（術前減感作療法としてRituximab 200mg/body×1、DFPP×2、PE×1を実施、免疫抑制剤はTac-ER、MMF、PSL、Basiliximabを使用）、経過は良好でPOD18に退院となった（ Cr 1.28mg/dl ）。移植後2カ月が経過し、右顔面痛・頭痛が出現、近医で副鼻腔洗浄や抗菌薬投与を受けるも改善せず。β-Dグルカン 53pg/mlと異常高値、副鼻腔MRIでは一部骨への浸潤を疑う軟部影を認め、再度ESSを施行、紙様板は腐骨化を認めたが真菌塊を可及的に除去した。VRCZも併用・継続し、術後1カ月でβ-Dグルカンも正常化、現在、再燃を認めていない。浸潤性副鼻腔真菌症は副鼻腔から眼窩，海綿状静脈洞，頭蓋内へ浸潤し致死的となり、全生存率は概ね50%と、予後不良とされる。今回、予防的にESSを先行したが、腎移植後、急性浸潤性に再燃した症例を経験したので、若干の文献的考察を加えて報告する。 </p>

DOI： 10.11386/jst.55.Supplement_387_3

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Preventive efficacy and safety of lactobacillus vaginal suppositories in women with recurrent cystitis: A phase 2 study Reviewed

Sadahira T, Wada K, Ishii A, Maruyama Y, Iwata T, Araki M, Watanabe M, Watanabe T, Nasu Y

Eur Urol Open Sci 19 ( 2 ) 2036 - 2037 2020

ロボット支援下腎動脈瘤修復術のfeasibility study

荒木元朗, 和田耕一郎, 西村慎吾, 枝村康平, 小林泰之, 渡辺豊彦, 那須保友

日本内視鏡外科学会雑誌 24 ( 7 ) MO336 - 7 2019.12

Percutaneous thermal ablation for renal cell carcinoma in patients with Birt–Hogg–Dubé syndrome

Y. Matsui, T. Hiraki, H. Gobara, T. Iguchi, K. Tomita, M. Uka, M. Araki, Y. Nasu, M. Furuya, S. Kanazawa

Diagnostic and Interventional Imaging 100 ( 11 ) 671 - 677 2019.11

Publishing type：Research paper (scientific journal)

Purpose: The purpose of this study was to analyze the outcome of patients with Birt–Hogg–Dubé (BHD) syndrome who underwent percutaneous thermal ablation of renal cell carcinoma (RCC). Materials and methods: Six patients with genetically proven BHD syndrome who underwent one or more sessions of percutaneous thermal ablation for the treatment of RCC were included. There were 4 men and 2 women, with a mean age of 57.3 ± 7.5 [SD] years (range: 44–67 years). A total of 29 RCCs (1–16 tumors per patient) were treated during 20 thermal ablation sessions (7 with radiofrequency ablation and 13 with cryoablation). Outcomes of thermal ablation therapy were assessed, including technical success, adverse events, local tumor progression, development of metastases, survival after thermal ablation, and changes in renal function. Results: Technical success was achieved in all ablation sessions (success rate, 100%). No grade 4 or 5 adverse events were observed. All patients were alive with no distant metastasis during a median follow-up period of 54 months (range: 6–173 months). No local tumor progression was found. The mean decrease in estimated glomerular filtration rate during follow-up was 10.7 mL/min/1.73 m2. No patients required dialysis or renal transplantation. Conclusion: Radiofrequency ablation and cryoablation show promising results for the treatment of RCCs associated with BHD syndrome. Percutaneous thermal ablation may be a useful treatment option for this rare hereditary condition.

DOI： 10.1016/j.diii.2019.06.009

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岡山大学病院におけるロボット支援腹腔鏡下腎部分切除術の検討

窪田理沙, 小林泰之, 西村慎吾, 高本篤, 佐古智子, 枝村康平, 和田耕一郎, 荒木元朗, 渡邉豊彦, 那須保友

日本泌尿器内視鏡学会総会 33回 O - 4 2019.11

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Papers - NASU Yasutomo