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Takashi Kawahara
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Journal Articles

A Case of Immune-Related Adverse Events, Including Myasthenia Gravis, Myositis, and Myocarditis, during Avelumab and Axitinib Combination Therapy

Open Access
Subject Area:
Oncology
Jurii Karibe, Ryohei Horiguchi, Yohei Hanajima, Akihito Hashizume, Daiji Takamoto, Takashi Kawahara, Kimito Osaka, Jun-ichi Teranishi, Naohisa Ueda, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2025) 18 (1): 563–569.
https://doi.org/10.1159/000545733
Published Online: 04 April 2025
View articletitled, A Case of Immune-Related Adverse Events, Including Myasthenia Gravis, Myositis, and Myocarditis, during Avelumab and Axitinib Combination Therapy
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Journal Articles

Complete Response to Pembrolizumab in a Patient with Castration-Resistant Prostate Cancer with Both BRCA Positivity and a High Frequency of Microsatellite Instability: A Case Report

Open Access
Subject Area:
Oncology
Takayuki Hirano, Kousuke Yonezawa, Takashi Kawahara, Nobuhiko Mizuno, Hiroyuki Hayashi, Yuta Karibe, Jun Asano, Shusei Fusayasu, Kazuhide Makiyama, Hiroji Uemura, Junichi Ohta, Masatoshi Moriyama
Journal: Case Reports in Oncology
Case Rep Oncol (2024) 17 (1): 852–858.
https://doi.org/10.1159/000540419
Published Online: 05 August 2024
View articletitled, Complete Response to Pembrolizumab in a Patient with Castration-Resistant Prostate Cancer with Both BRCA Positivity and a High Frequency of Microsatellite Instability: A Case Report
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Journal Articles

Complete Response to Enfortumab Vedotin in a Hemodialysis Patient with Metastatic Urothelial Carcinoma: A Case Report

Open Access
Subject Area:
Topic Article Package: ADC (Antibody-Drug Conjugates) , Oncology
Bunpei Isoda, Masanobu Shiga, Shuya Kandori, Yoshiyuki Nagumo, Takayuki Yoshino, Atsushi Ikeda, Takashi Kawahara, Tomokazu Kimura, Hiromitsu Negoro, Akio Hoshi, Bryan J Mathis, Hiroyuki Nishiyama
Journal: Case Reports in Oncology
Case Rep Oncol (2023) 16 (1): 429–433.
https://doi.org/10.1159/000530780
Published Online: 02 June 2023
View articletitled, Complete Response to Enfortumab Vedotin in a Hemodialysis Patient with Metastatic Urothelial Carcinoma: A Case Report
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Journal Articles

Bilateral Encrusted Metallic Stent Successfully Removed by Ureteroscopic Lithotripsy Using a Ho:YAG Laser in a Patient with Malignant Myeloma

Open Access
Subject Area:
Oncology
Takahiro Hanai, Takashi Kawahara, Hiroaki Ishida, Shinnosuke Kuroda, Toshitaka Miyai, Masato Yasui, Shuntaro Aoki, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2021) 13 (3): 1501–1505.
https://doi.org/10.1159/000511601
Published Online: 17 December 2020
View articletitled, Bilateral Encrusted Metallic Stent Successfully Removed by Ureteroscopic Lithotripsy Using a Ho:YAG Laser in a Patient with Malignant Myeloma
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Journal Articles

Skin Metastasis of Renal Cell Carcinoma

Open Access
Subject Area:
Oncology
Takahiro Mitomi, Takashi Kawahara, Shunsuke Nomura, Shinnosuke Kuroda, Tappei Takeshima, Daiji Takamoto, Masako Otani, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2020) 13 (2): 798–801.
https://doi.org/10.1159/000508340
Published Online: 08 July 2020
View articletitled, Skin Metastasis of Renal Cell Carcinoma
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Journal Articles

A Case of Retroperitoneal Ganglioneuroma Accidentally Discovered by Laparoscopic Right Adrenalectomy

Open Access
Subject Area:
Oncology
Shunsuke Nomura, Takashi Kawahara, Tappei Takeshima, Takahiro Mitomi, Daiji Takamoto, Tomoe Sawazumi, Yoshiaki Inayama, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2020) 13 (2): 764–767.
https://doi.org/10.1159/000507280
Published Online: 02 July 2020
View articletitled, A Case of Retroperitoneal Ganglioneuroma Accidentally Discovered by Laparoscopic Right Adrenalectomy
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Journal Articles

Renal Squamous Cell Carcinoma with Staghorn Calculus

Open Access
Subject Area:
Oncology
Ryo Kasahara, Takashi Kawahara, Ryosuke Tajiri, Hiroji Uemura, Kazuo Kitami
Journal: Case Reports in Oncology
Case Rep Oncol (2020) 13 (1): 403–407.
https://doi.org/10.1159/000506675
Published Online: 09 April 2020
View articletitled, Renal Squamous Cell Carcinoma with Staghorn Calculus
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Journal Articles

IgG4-Producing MALT Lymphoma in the Renal Hilum

Open Access
Subject Area:
Oncology
Kota Shimokihara, Takashi Kawahara, Ryo Kasahara, Jun Kasuga, Shinpei Sugiura, Ryosuke Tajiri, Hiroji Uemura, Kimio Chiba
Journal: Case Reports in Oncology
Case Rep Oncol (2020) 12 (3): 880–884.
https://doi.org/10.1159/000504699
Published Online: 27 November 2019
View articletitled, IgG4-Producing MALT Lymphoma in the Renal Hilum
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Journal Articles

Retroperitoneal Castleman’s Disease

Open Access
Subject Area:
Oncology
Kota Shimokihara, Takashi Kawahara, Ryo Kasahara, Jun Kasuga, Shinpei Sugiura, Ryosuke Tajiri, Hiroji Uemura, Kimio Chiba
Journal: Case Reports in Oncology
Case Rep Oncol (2020) 12 (3): 885–889.
https://doi.org/10.1159/000504700
Published Online: 27 November 2019
View articletitled, Retroperitoneal Castleman’s Disease
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Journal Articles

A Case of Switching from GnRH Agonist to Antagonist for Castration Resistant Prostate Cancer Control

Open Access
Subject Area:
Oncology
Rumiko Sugimura, Takashi Kawahara, Yasuhide Miyoshi, Masahiro Yao, Sawako Chiba, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2020) 12 (3): 688–692.
https://doi.org/10.1159/000502859
Published Online: 17 September 2019
View articletitled, A Case of Switching from GnRH Agonist to Antagonist for Castration Resistant Prostate Cancer Control
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Journal Articles

Changing the Timing of Enzalutamide Intake from Morning to before Sleep at Night Overcame Enzalutamide-Induced Dysgeusia

Open Access
Subject Area:
Oncology
Takashi Kawahara, Yasuhide Miyoshi, Masahiro Yao, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2019) 12 (2): 589–594.
https://doi.org/10.1159/000502054
Published Online: 06 August 2019
View articletitled, Changing the Timing of Enzalutamide Intake from Morning to before Sleep at Night Overcame Enzalutamide-Induced Dysgeusia
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Journal Articles

Longer Control of Nivolumab in Metastatic Renal Cell Carcinoma Patients with End-Stage Kidney Disease on Dialysis

Open Access
Subject Area:
Oncology
Ryota Morinaga, Takashi Kawahara, Yasuhide Miyoshi, Masahiro Yao, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2019) 12 (2): 608–612.
https://doi.org/10.1159/000501768
Published Online: 06 August 2019
View articletitled, Longer Control of Nivolumab in Metastatic Renal Cell Carcinoma Patients with End-Stage Kidney Disease on Dialysis
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Journal Articles

Granulocyte Colony-Stimulating Factor-Producing Bladder Cancer

Open Access
Subject Area:
Topic Article Package: Moksha , Oncology
Ryota Morinaga, Takashi Kawahara, Shinnosuke Kuroda, Yoshiaki Inayama, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2019) 12 (2): 603–607.
https://doi.org/10.1159/000502174
Published Online: 06 August 2019
View articletitled, Granulocyte Colony-Stimulating Factor-Producing Bladder Cancer
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Journal Articles

The Achievement of Long-Term CRPC Control in a Patient with Enzalutamide-Induced Nausea and Fatigue after Overcoming the Adverse Events with a Temporary Drug Holiday

Open Access
Subject Area:
Oncology
Takashi Kawahara, Yasuhide Miyoshi, Masahiro Yao, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2019) 12 (2): 568–572.
https://doi.org/10.1159/000501849
Published Online: 16 July 2019
View articletitled, The Achievement of Long-Term CRPC Control in a Patient with Enzalutamide-Induced Nausea and Fatigue after Overcoming the Adverse Events with a Temporary Drug Holiday
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Journal Articles

Successful Resection of Cisplatin-Resistant Renal Pelvic Cancer after the Administration of Pembrolizumab as Second-Line Therapy

Open Access
Subject Area:
Oncology
Takashi Kawahara, Taku Mochizuki, Rumiko Sugimura, Koji Izumi, Shinnosuke Kuroda, Yasuhide Miyoshi, Noboru Nakaigawa, Masahiro Yao, Mikiko Tanabe, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2019) 12 (2): 548–553.
https://doi.org/10.1159/000501715
Published Online: 16 July 2019
View articletitled, Successful Resection of Cisplatin-Resistant Renal Pelvic Cancer after the Administration of Pembrolizumab as Second-Line Therapy
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Journal Articles

Inserting a Metallic Ureteral Stent Using an Antegrade Approach Freed a Patient from Nephrostomy Created due to Hydronephrosis Caused by Bladder Cancer

Open Access
Subject Area:
Oncology
Takashi Kawahara, Daiji Takamoto, Yasuhide Miyoshi, Masahiro Yao, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2019) 12 (2): 560–563.
https://doi.org/10.1159/000501767
Published Online: 16 July 2019
View articletitled, Inserting a Metallic Ureteral Stent Using an Antegrade Approach Freed a Patient from Nephrostomy Created due to Hydronephrosis Caused by Bladder Cancer
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Journal Articles

Long-Term Control of Metastatic Renal Cell Carcinoma Using Pazopanib

Open Access
Subject Area:
Oncology
Takashi Kawahara, Tappei Takeshima, Yasuhide Miyoshi, Noboru Nakaigawa, Masahiro Yao, Mikiko Tanabe, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2019) 12 (2): 543–547.
https://doi.org/10.1159/000501716
Published Online: 16 July 2019
View articletitled, Long-Term Control of Metastatic Renal Cell Carcinoma Using Pazopanib
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Journal Articles

Sarcomatoid Variant of Bladder Carcinoma: A Case Report

Open Access
Subject Area:
Oncology
Koichi Uemura, Takashi Kawahara, Hiroaki Ishida, Noboru Nakaigawa, Mikiko Tanabe, Masahiro Yao, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2018) 11 (3): 633–637.
https://doi.org/10.1159/000492779
Published Online: 13 September 2018
View articletitled, Sarcomatoid Variant of Bladder Carcinoma: A Case Report
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Journal Articles

Fluorescent Light-Guided Cystoscopy with 5-ALA Aids in Accurate Surgical Margin Detection for TURBO: A Case Report

Open Access
Subject Area:
Oncology
Daiji Takamoto, Takashi Kawahara, Shinji Ohtake, Taku Mochizuki, Shinnosuke Kuroda, Noboru Nakaigawa, Koji Izumi, Yasuhide Miyoshi, Kazuhide Makiyama, Masahiro Yao, Tomoe Sawazumi, Yoshiaki Inayama, Junichi Ohta, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2018) 11 (1): 164–167.
https://doi.org/10.1159/000487390
Published Online: 15 March 2018
View articletitled, Fluorescent Light-Guided Cystoscopy with 5-ALA Aids in Accurate Surgical Margin Detection for TURBO: A Case Report
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Journal Articles

The Use of a Metal Stent in the Treatment of Ureteral Stricture in a Patient Who Had Undergone Radical Cystectomy with the Creation of an Ileal Conduit

Open Access
Subject Area:
Oncology
Taku Mochizuki, Takashi Kawahara, Genta Iwamoto, Shinnosuke Kuroda, Masahiro Yao, Hiroji Uemura
Journal: Case Reports in Oncology
Case Rep Oncol (2018) 11 (1): 159–163.
https://doi.org/10.1159/000487588
Published Online: 15 March 2018
View articletitled, The Use of a Metal Stent in the Treatment of Ureteral Stricture in a Patient Who Had Undergone Radical Cystectomy with the Creation of an Ileal Conduit
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