Annals of Coloproctology

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Colonoscopy

Analysis of adenoma detection rate of colonoscopy among trainees: Young Min Song, Kyung Su Han, Byung Chang Kim, Chang Won Hong, Bun Kim, Min Chul Kim, Myeong Jae Jin, Dae Kyung Sohn; Ann Coloproctol. 2024;40(6):548-554. Published online August 28, 2024; DOI: https://doi.org/10.3393/ac.2023.00199.0028

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Purpose
To analyze adenoma detection rate (ADR) and related quality indicators of colonoscopy among trainees and make recommendations for appropriate colonoscopy training.
Methods
ADR and related indicators of colonoscopies performed by 3 trainees and 5 colonoscopy experts between March and November 2022 were analyzed. These indicators were analyzed in both the entire patients and the screening/surveillance group. In addition, the training period of the 3 trainees was divided into 3 sections, and the changes in these indicators were examined.
Results
The mean ADR of the 3 trainees was 50.6%. In the screening/surveillance group, the mean ADR of the 3 trainees was 51.8%, showing no significant difference from the experts' ADR (53.4%). When the training period was divided into 3 sections and analyzed in the screening/surveillance group, the mean ADR of the trainees gradually increased to 49.4%, 52.6%, and 53.6%, respectively; however, the difference was insignificant. Analyzing each trainee’s ADR, there was a significant difference among the 3 trainees (58.5% vs. 44.7% vs. 50.2%, P=0.008). However, in the third section of the training period, the 3 trainees’ ADRs were 53.0%, 49.2%, and 57.3%, respectively, showing no significant difference (P=0.606).
Conclusion
In the early stages of training, the ADR was higher than recommended; however, there were variances in ADR between individuals. As the training period passed, the ADR became similar at the expert level, whereas the difference in ADR between trainees decreased. Therefore, efforts to increase ADR should be made actively from the beginning of training and continued during the training period.

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Adenoma per polypectomy as a training metric in colonoscopy: a retrospective analysis of trainee progression compared to expert performance
Young Min Song, Kyung Su Han, Byung Chang Kim, Chang Won Hong, Bun Kim, Dae Kyung Sohn
Annals of Surgical Treatment and Research.2025; 109(2): 113. CrossRef

Malignant disease, Rectal cancer,Prognosis and adjuvant therapy,Colorectal cancer

Lateral Pelvic Lymph Node Dissection After Neoadjuvant Chemoradiotherapy in Patients With Rectal Cancer: A Single-Center Experience and Literature Review: Min Chul Kim, Jae Hwan Oh; Ann Coloproctol. 2021;37(6):382-394. Published online December 22, 2021; DOI: https://doi.org/10.3393/ac.2021.00913.0130

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Abstract PDF Supplementary Material

Purpose
We aimed to evaluate the surgicopathological outcomes of lateral pelvic lymph node dissection (LPLD) and long-term oncological outcomes of selective LPLD after neoadjuvant chemoradiotherapy (nCRT) in patients with locally advanced rectal cancer and compare them to those of total mesorectal excision (TME) alone based on pretreatment magnetic resonance imaging (MRI).
Methods
We compared the TME-alone group (2001–2009, n=102) with the TME with LPLD group (2011–2016, n=69), both groups having lateral lymph nodes (LLNs) of ≥5 mm in short axis diameter. The surgicopathological outcomes were analyzed retrospectively. Oncological outcomes were analyzed using the Kaplan-Meier method.
Results
The rates of overall postoperative 30-day morbidity (42.0% vs. 26.5%, P=0.095) and urinary retention (13.7% vs. 10.1%, P=0.484) were not significantly different between the LPLD and TME-alone groups, respectively. Pathologically proven LLN metastasis was identified in 24 (34.8%) LPLD cases after nCRT. The LPLD group showed a lower 5-year local recurrence (LR) rate (27.9% vs. 4.6%, P<0.001) and better recurrence-free survival (RFS) (59.6% vs. 78.2%, P=0.008) than those of the TME-alone group, while the 5-year overall survival was not significantly different between the 2 groups (76.2% vs. 86.5%, P=0.094).
Conclusion
This study suggests that LPLD is a safe and feasible procedure. The oncological outcomes suggest that selective LPLD improves LR and RFS in patients with clinically suspicious LLNs on pretreatment MRI. Considering that lateral nodal disease is not common, a multicenter large-scale study is necessary.

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The Korean Rectal Cancer Multidisciplinary Committee Clinical Practice Guidelines for Rectal Cancer version 2.0
Hyo Seon Ryu, Hyun Jung Kim, Dong Hyun Kang, Yoo-Kang Kwak, Han Deok Kwak, Yoon-Hye Kwon, Dalyon Kim, Baek-Hui Kim, Jae Hyun Kim, Ji Hun Kim, Jin Won Kim, Tae Hyung Kim, Hae Young Kim, Soo Min Nam, Gyoung Tae Noh, Jun Woo Bong, Nak Song Sung, Seon Hui Shi
Annals of Coloproctology.2026; 42(1): 4. CrossRef
MRI-based scoring systems for selective lateral lymph node dissection in locally advanced low rectal cancer after neoadjuvant chemoradiotherapy
Min Jeong Cho, Kyunghwa Han, Hye Jung Shin, Woong Sub Koom, Kang Young Lee, Joo Hee Kim, Joon Seok Lim
European Radiology.2025; 35(8): 4967. CrossRef
Feasibility and limitations of combined treatment for lateral pelvic lymph node metastases in rectal cancer
Ying-Zi Zheng, Fang-Fang Yan, Lian-Xiang Luo
World Journal of Clinical Oncology.2024; 15(5): 591. CrossRef
Totally Extraperitoneal Approach for Recurrent Lateral Pelvic Lymph Nodes After Rectal Cancer Surgery
Tae-Gyun Lee, Hong-Min Ahn, Hye-Rim Shin, Mi Jeong Choi, Min Hyeong Jo, Heung-Kwon Oh, Duck-Woo Kim, Sung-Bum Kang
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Identification of lateral pelvic nodes without metastasis in patients with rectal cancer treated with preoperative chemoradiotherapy or chemotherapy based on magnetic resonance imaging
Nobuaki Hoshino, Yudai Fukui, Kohei Ueno, Koya Hida, Kazutaka Obama, Kazuhiro Sakamoto, Hirotoshi Kobayashi, Michio Itabashi, Soichiro Ishihara, Kazushige Kawai, Yoichi Ajioka
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Survival analysis in rectal cancer patients after lateral lymph node dissection: Exploring the necessity of nCRT for suspected lateral lymph node metastasis
Jiafei Liu, Peishi Jiang, Zhichun Zhang, Hongjie Yang, Yuanda Zhou, Peng Li, Qingsheng Zeng, Xipeng Zhang, Yi Sun
Current Problems in Surgery.2024; 61(8): 101525. CrossRef
Clinical outcomes of neoadjuvant chemoradiotherapy followed by total mesorectal excision in locally advanced rectal cancer with mesorectal fascia involvement
Jeong Ha Lee, Nalee Kim, Jeong Il Yu, Gyu Sang Yoo, Hee Chul Park, Woo-Yong Lee, Seong Hyeon Yun, Hee Cheol Kim, Yong Beom Cho, Jung Wook Huh, Yoon Ah Park, Jung Kyong Shin, Joon Oh Park, Seung Tae Kim, Young Suk Park, Jeeyun Lee, Won Ki Kang
Radiation Oncology Journal.2024; 42(2): 130. CrossRef
Literature research on the low rectal cancer complicated with lateral pelvic lymph node metastasis
Miao He, Jing Fan
Asian Journal of Surgery.2024; 47(10): 4575. CrossRef
Innovációk a colorectalis sebészetben
Balázs Bánky, András Fülöp, Viktória Bencze, Lóránd Lakatos, Petra Rozman, Attila Szijártó
Orvosi Hetilap.2024; 165(2): 43. CrossRef
Meta-analysis of the efficacy and safety of robot-assisted comparative laparoscopic surgery in lateral lymph node dissection for rectal cancer
Hao Shi, Xianhao Yi, Xin Yan, Wenjie Wu, Hui Ouyang, Chengke Ou, Xiangheng Chen
Surgical Endoscopy.2024; 38(10): 5584. CrossRef
The Role of Lateral Pelvic Lymph Node Dissection in Middle and Lower Rectal Cancer (Stage II or III): A Literature Review
Alexandra-Eleftheria Menni, Georgios Tzikos, Patroklos Goulas, Stylianos Apostolidis
Cureus.2024;[Epub] CrossRef
Lateral pelvic lymph node positivity (LPLNP) score: predictive clinic-radiological model of lateral pelvic lymph node involvement in rectal cancer patients
Petr Tsarkov, Vladimir Balaban, Harutyun Babajanyan, Abe Fingerhut, Inna Tulina, Mingze He
International Journal of Colorectal Disease.2024;[Epub] CrossRef
Short-term outcomes of 47 selective laparoscopic lymph node dissection for rectal cancer: A retrospective study
Xiajuan Xue, Shuijie Lin, Qunzhang Zeng, Yincong Guo
Medicine.2024; 103(43): e39684. CrossRef
Fluorescence-guided colorectal surgery: applications, clinical results, and protocols
Jin-Min Jung, In Ja Park, Eun Jung Park, Gyung Mo Son
Annals of Surgical Treatment and Research.2023; 105(5): 252. CrossRef
Development of a Diagnostic Artificial Intelligence Tool for Lateral Lymph Node Metastasis in Advanced Rectal Cancer
Kosuke Ozaki, Yusuke Kurose, Kazushige Kawai, Hirotoshi Kobayashi, Michio Itabashi, Yojiro Hashiguchi, Takuya Miura, Akio Shiomi, Tatsuya Harada, Yoichi Ajioka
Diseases of the Colon & Rectum.2023; 66(12): e1246. CrossRef
Advances in the Treatment of Colorectal Cancer with Peritoneal Metastases: A Focus on Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy
Youngbae Jeon, Eun Jung Park
The Ewha Medical Journal.2023;[Epub] CrossRef
Clinical Implication of Lateral Pelvic Lymph Node Metastasis in Rectal Cancer Treated with Neoadjuvant Chemoradiotherapy
In Ja Park
The Ewha Medical Journal.2022; 45(1): 3. CrossRef
Current status and role of robotic approach in patients with low-lying rectal cancer
Hyo Seon Ryu, Jin Kim
Annals of Surgical Treatment and Research.2022; 103(1): 1. CrossRef
Multidisciplinary treatment strategy for early colon cancer
Gyung Mo Son, Su Bum Park, Tae Un Kim, Byung-Soo Park, In Young Lee, Joo-Young Na, Dong Hoon Shin, Sang Bo Oh, Sung Hwan Cho, Hyun Sung Kim, Hyung Wook Kim
Journal of the Korean Medical Association.2022; 65(9): 558. CrossRef
Robotic surgery for colorectal cancer
Sung Uk Bae
Journal of the Korean Medical Association.2022; 65(9): 577. CrossRef
Multidisciplinary Treatment Strategy for Early Colon Cancer: A Review-An English Version
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Journal of the Anus, Rectum and Colon.2022; 6(4): 203. CrossRef
Current Status and Future of Robotic Surgery for Colorectal Cancer-An English Version
Sung Uk Bae
Journal of the Anus, Rectum and Colon.2022; 6(4): 221. CrossRef
It Is a Pleasure to Announce the Issue Titled “Master Class 2021” in Annals of Coloproctology
In Ja Park
Annals of Coloproctology.2021; 37(6): 349. CrossRef

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