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Kohki Takeda · SciRah

Researcher profile · Semantic Scholar

Kohki Takeda

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Kohki Takeda — researcher profile on SciRah

h-index: 15
Works: 67
Citations: 610

Most-cited papers

Oncological Assessment of Stent Placement for Obstructive Colorectal Cancer from Circulating Cell-Free DNA and Circulating Tumor DNA Dynamics
G. Takahashi, T. Yamada, T. Iwai, Kohki Takeda +3 more
2018Annals of Surgical Oncology75 citations
Semantic Scholar
Liquid Biopsy for the Management of Patients with Colorectal Cancer
T. Yamada, A. Matsuda, Michihiro Koizumi, S. Shinji +9 more
2018Digestion70 citations Open access
Semantic Scholar
Male sex and history of ischemic heart disease are major risk factors for anastomotic leakage after laparoscopic anterior resection in patients with rectal cancer
S. Shinji, Yoshibumi Ueda, T. Yamada, Michihiro Koizumi +10 more
2018BMC Gastroenterology46 citations Open access
Semantic Scholar
Evaluation of liquid biopsies for detection of emerging mutated genes in metastatic colorectal cancer.
Hiroyasu Furuki, T. Yamada, G. Takahashi, T. Iwai +6 more
2018European Journal of Surgical Oncology42 citations
Semantic Scholar
Analysis of colorectal cancer‐related mutations by liquid biopsy: Utility of circulating cell‐free DNA and circulating tumor cells
Kohki Takeda, T. Yamada, G. Takahashi, T. Iwai +10 more
2019Cancer Science38 citations Open access
Semantic Scholar
Colonic stent as a bridge to surgery versus emergency resection for right-sided malignant large bowel obstruction: a meta-analysis
Shintaro Kanaka, A. Matsuda, T. Yamada, R. Ohta +9 more
2022Surgical Endoscopy35 citations
Semantic Scholar
Pks‐positive Escherichia coli in tumor tissue and surrounding normal mucosal tissue of colorectal cancer patients
T. Miyasaka, T. Yamada, Kay Uehara, H. Sonoda +12 more
2024Cancer Science29 citations Open access
Semantic Scholar
Emerging RAS, BRAF, and EGFR mutations in cell-free DNA of metastatic colorectal patients are associated with both primary and secondary resistance to first-line anti-EGFR therapy
T. Yamada, A. Matsuda, G. Takahashi, T. Iwai +8 more
2020International Journal of Clinical Oncology29 citations
Semantic Scholar
Surgical Site Infections in Gastroenterological Surgery.
A. Matsuda, T. Yamada, R. Ohta, H. Sonoda +8 more
2022Journal of Nippon Medical School = Nippon Ika Daigaku zasshi27 citations Open access
Semantic Scholar
Detection of KRAS mutations in circulating tumour DNA from plasma and urine of patients with colorectal cancer.
R. Ohta, T. Yamada, H. Sonoda, A. Matsuda +10 more
2021European Journal of Surgical Oncology22 citations Open access
Semantic Scholar
Elevated serum carcinoembryonic antigen level after curative surgery is a prognostic biomarker of stage II-III colorectal cancer.
H. Sonoda, T. Yamada, A. Matsuda, R. Ohta +9 more
2021European Journal of Surgical Oncology21 citations Open access
Semantic Scholar
Circulating cell-free long DNA fragments predict post-hepatectomy recurrence of colorectal liver metastases.
T. Iwai, T. Yamada, G. Takahashi, Kohki Takeda +9 more
2019European Journal of Surgical Oncology18 citations
Semantic Scholar
Feasibility of Neoadjuvant FOLFOX Therapy Without Radiotherapy for Baseline Resectable Rectal Cancer
Michihiro Koizumi, T. Yamada, S. Shinji, Y. Yokoyama +7 more
2018In Vivo18 citations Open access
Semantic Scholar
Oxaliplatin‐induced increase in splenic volume; irreversible change after adjuvant FOLFOX
T. Iwai, T. Yamada, Michihiro Koizumi, S. Shinji +6 more
2017Journal of Surgical Oncology18 citations
Semantic Scholar
Dedifferentiated liposarcoma arising from the mesocolon ascendens: report of a case.
Kohki Takeda, T. Aimoto, M. Yoshioka, Yoshiharu Nakamura +5 more
2012Journal of Nippon Medical School = Nippon Ika Daigaku zasshi18 citations Open access
Semantic Scholar
BRAF V600E mutations in right-side colon cancer: Heterogeneity detected by liquid biopsy.
K. Ueda, T. Yamada, R. Ohta, A. Matsuda +10 more
2022European Journal of Surgical Oncology16 citations Open access
Semantic Scholar
Detection of KRAS Mutations Using Extracellular Vesicle DNA in Colorectal Cancer Patients
S. Kuriyama, T. Yamada, T. Miyasaka, Kay Uehara +12 more
2025Cancer Science13 citations Open access
Semantic Scholar
Short-term and three-year long-term outcomes of laparoscopic surgery versus open surgery for obstructive colorectal cancer following self-expandable metallic stent placement: a meta-analysis
Shintaro Kanaka, Takeshi Yamada, A. Matsuda, Kay Uehara +8 more
2024Surgical Endoscopy11 citations Open access
Semantic Scholar
Systemic Chemotherapy is a Promising Treatment Option for Patients with Colonic Stents: A Review
A. Matsuda, T. Yamada, S. Matsumoto, S. Shinji +7 more
2021Journal of the Anus Rectum and Colon9 citations Open access
Semantic Scholar
Establishment and characterization of a novel neuroendocrine carcinoma cell line derived from a human ascending colon tumor
S. Shinji, Norihiko Sasaki, T. Yamada, Michihiro Koizumi +14 more
2019Cancer Science9 citations Open access
Semantic Scholar
Combined use of preoperative lymphocyte counts and the post/preoperative lymphocyte count ratio as a prognostic marker of recurrence after curative resection of stage II colon cancer
S. Shinji, Yoshibumi Ueda, T. Yamada, Michihiro Koizumi +9 more
2017OncoTarget7 citations Open access
Semantic Scholar
The benefits of interval appendectomy and risk factors for nonoperative management failure in the therapeutic strategy for complicated appendicitis
Kohki Takeda, Takeshi Yamada, Kay Uehara, A. Matsuda +8 more
2024Surgery today (Print)5 citations
Semantic Scholar
A case of a fixed giant peritoneal loose body outside the peritoneum beside the rectovesical excavation.
Kotaro Nanno, S. Shinji, T. Yamada, A. Matsuda +11 more
2022Journal of Nippon Medical School = Nippon Ika Daigaku zasshi5 citations Open access
Semantic Scholar
TGF-β1 increases cellular invasion of colorectal neuroendocrine carcinoma cell line through partial epithelial-mesenchymal transition
Norihiko Sasaki, S. Shinji, Yuuki Shichi, T. Ishiwata +13 more
2022Biochemistry and Biophysics Reports5 citations Open access
Semantic Scholar
Biomarkers for anti-vascular endothelial growth factor drugs
S. Kuriyama, T. Yamada, A. Matsuda, G. Takahashi +11 more
2022Oncology Letters4 citations Open access
Semantic Scholar
The T-CEA score: a useful prognostic indicator based on postoperative CEA and pathological T4 levels for patients with stage II–III colorectal cancer
H. Sonoda, T. Yamada, A. Matsuda, Y. Yokoyama +11 more
2023Surgery today (Print)3 citations
Semantic Scholar
A rapidly growing small intestinal metastasis from lung cancer.
Katsuyoshi Ankoh, S. Shinji, T. Yamada, A. Matsuda +14 more
2021Journal of Nippon Medical School = Nippon Ika Daigaku zasshi3 citations Open access
Semantic Scholar
Development of transomental hernia shortly after laparoscopic colonic surgery: a case report
T. Haruna, A. Matsuda, Michihiro Koizumi, T. Yamada +8 more
2020Surgery Case Reports3 citations Open access
Semantic Scholar
Modified Marionette Technique for Laparoscopic Colorectal Surgery.
S. Shinji, H. Kan, T. Yamada, Michihiro Koizumi +8 more
2017Journal of Nippon Medical School = Nippon Ika Daigaku zasshi3 citations Open access
Semantic Scholar
Utility of Urinary Extracellular Vesicles for Colorectal Cancer: Comparison of DNA Quality and MRD Detection
Shintaro Kanaka, Takeshi Yamada, Fumitero Asai, Yuta Shimizu +11 more
2026Cancer Science1 citations Open access
Semantic Scholar
Abstract 6683: The abundance of Fusobacteria nucleatum in tumor tissue is a prognostic factor in patients of right-sided colorectal cancer
T. Miyasaka, Takeshi Yamada, S. Kuriyama, A. Matsuda +8 more
2024Cancer Research1 citations
Semantic Scholar
Oncologic investigation of the interval from stent placement to surgery in patients with obstructive colorectal cancer
Shintaro Kanaka, A. Matsuda, Takeshi Yamada, Y. Yokoyama +12 more
2024Surgery today (Print)1 citations
Semantic Scholar
Successful management of malignant colovesical fistula using covered colonic self-expanding metallic stent: a case report
G. Takahashi, A. Matsuda, Takeshi Yamada, Kay Uehara +10 more
2023Surgery Case Reports1 citations Open access
Semantic Scholar
Useful preoperative simulation for laparoscopic surgery of rectal cancer with kyphosis.
Kohki Takeda, A. Matsuda, T. Yamada, S. Shinji +7 more
2021Journal of Nippon Medical School = Nippon Ika Daigaku zasshi1 citations Open access
Semantic Scholar
Even a partial pathological response is associated with lower relapse rates in patients with operable rectal cancer undergoing neoadjuvant chemotherapy
Michihiro Koizumi, T. Yamada, S. Shinji, A. Matsuda +6 more
2020Journal of Surgical Oncology1 citations
Semantic Scholar
[Consideration for Prognostic Indicators of Ovarian Metastasis of Colorectal Cancer].
K. Ueda, S. Shinji, T. Yamada, Michihiro Koizumi +9 more
2019Gan to kagaku ryoho. Cancer & chemotherapy1 citations
Semantic Scholar
Abstract 4594: Detection of colorectal cancer related gene mutations from CTC and ctDNA
Kohki Takeda, T. Yamada, Michihiro Koizumi, S. Shinji +7 more
2018Clinical research1 citations
Semantic Scholar
Emergence of KRAS mutations and acquisition of resistance to EGFR blockade.
T. Yamada, G. Takahashi, T. Iwai, Kohki Takeda +9 more
20171 citations
Semantic Scholar
A Case of Liposarcoma Developing in the Ligamentum Teres Hepatis Concomitant with Rectosigmoid Cancer
Yoshikazu Tsuchiya, Kohki Takeda, T. Nikaido, T. Yamada +2 more
20131 citations Open access
Semantic Scholar
Analysis of diverting ileostomy for colorectal cancer surgery: stenosis and T4 invasion are risk factors of reoperation due to anastomotic leakage, even when ileostomy is performed
Kohki Takeda, Takeshi Yamada, R. Ohta, Kay Uehara +7 more
2026International Journal of Colorectal Disease0 citations Open access
Semantic Scholar
Treatment of uncomplicated appendicitis: is interval appendectomy an effective strategy?
Kohki Takeda, Takeshi Yamada, R. Ohta, Kay Uehara +7 more
2026Surgery today (Print)0 citations
Semantic Scholar
Abstract 1146: Identification of genetic mutations using circulating tumor cells, circulating tumor DNA, and exosomes in patients with colorectal cancer
Takeshi Yamada, K. Hayashi, Kyoichi Oshiro, Kay Uehara +11 more
2025Cancer Research0 citations
Semantic Scholar
Introduction and Problems of Robot-Assisted Surgery for Colorectal Cancer During the Covid-19 Pandemic in Japan: A Single-Institution Experience
R. Ohta, Kohki Takeda, Kumiko Sekiguchi, Takao Shimizu +4 more
2024International Journal of Cancer Research & Therapy0 citations Open access
Semantic Scholar
Significance of Surgical Resection in Patients with Peritoneal Dissemination of Colorectal Cancer with Co-existing Liver and Lung Metastases
H. Sonoda, Takeshi Yamada, A. Matsuda, S. Shinji +8 more
2024Nippon Daicho Komonbyo Gakkai Zasshi0 citations Open access
Semantic Scholar
Utility of Cell-free DNA in the Treatment of BRAF V600E Mutation-positive Colorectal Cancer
T. Iwai, T. Yamada, H. Sonoda, A. Matsuda +6 more
2023Nippon Daicho Komonbyo Gakkai Zasshi0 citations Open access
Semantic Scholar
The prediction of pathological complete response after total neoadjuvant therapy for locally advanced rectal cancer using versatile liquid biopsy.
A. Matsuda, T. Yamada, H. Sonoda, S. Shinji +8 more
2023Journal of Clinical Oncology0 citations
Semantic Scholar
Abstract 5577: Detection of RAS mutations in colorectal cancer patients using DNA from extracellular vesicles
S. Kuriyama, T. Yamada, H. Sonoda, S. Shinji +8 more
2023Cancer Research0 citations
Semantic Scholar
Establishment and characterization of a novel anorectal melanoma cell line derived from primary human rectal tumor.
S. Shinji, Yuuki Shichi, T. Yamada, G. Takahashi +16 more
2022Journal of Nippon Medical School = Nippon Ika Daigaku zasshi0 citations Open access
Semantic Scholar
[Is Cell-Free DNA a Useful Biomarker for Predicting the Efficacy of Preoperative Chemotherapy for Advanced Colon Cancer?]
T. Iwai, T. Yamada, H. Sonoda, S. Shinji +6 more
2022Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar
[Long-Term Response to UFT/UZEL/Bevacizumab Therapy for Lung Metastasis after Surgery for Early-Stage Colon Cancer in a Late-Stage Elderly Patient].
Kazuhide Yonaga, T. Yamada, A. Matsuda, H. Sonoda +8 more
2022Gan to kagaku ryoho. Cancer & chemotherapy0 citations
Semantic Scholar

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S. Shinji×47
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S. Shinji — researcher profile on SciRah
T. Iwai×45
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A. Matsuda×39
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G. Takahashi×37
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Y. Yokoyama×32

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S. Kuriyama×29

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K. Ueda — researcher profile on SciRah

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H. Sonoda — researcher profile on SciRah