Annals of Coloproctology

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Colorectal cancer

Evaluation of the utility of a nomogram for predicting lymph node metastasis in T1 colorectal cancer in shared decision-making in clinical practice: a survey-based study: Hyeon Seung Kim, Kyung Su Han, Min Wan Lee, Dae Kyung Sohn, Chang Won Hong, Dong Woon Lee, Kiho You, Sung Chan Park, Byung Chang Kim, Bun Kim, Jae Hwan Oh; Ann Coloproctol. 2025;41(4):303-309. Published online August 25, 2025; DOI: https://doi.org/10.3393/ac.2025.00318.0045

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Abstract PDF: Purpose
In 2019, we reported a novel nomogram to predict lymph node metastasis (LNM) in T1 colorectal cancer. Herein, we conducted a survey-based study to evaluate the clinical utility of this nomogram in determining the need for additional surgery after endoscopic resection for high-risk T1 colorectal cancer.
Methods
A survey was conducted among 77 members of the Korean Society of Coloproctology and 25 members of the Korean Society of Gastrointestinal Endoscopy. The survey assessed decision-making regarding additional surgery after endoscopic resection for high-risk T1 colorectal cancer according to various predicted LNM rates (3%, 10%, and 27%) and tumor locations (anal verge [AV] 2, 7, and 25 cm). Additionally, participants provided feedback regarding the reliability, usefulness, and potential adoptability of the prediction model in patient counseling.
Results
Of the 2,314 surveys distributed, 102 responses were analyzed. A trend was observed in which tumors located closer to the anus and associated with a lower predicted risk of LNM were less likely to lead respondents to opt for surgery (e.g., AV 2 cm and 3% of predicted LNM risk, 21.6% opt for surgery vs. AV 25 cm and 27% of predicted LNM risk, 98.0% opt for surgery). Additionally, 94.1% of the respondents reported that the prediction model would be helpful in clinical decision-making and patient counseling.
Conclusion
Our findings suggest that the nomogram is an effective and reliable tool for guiding treatment strategies and enhancing consultations in patients with T1 colorectal cancer.

Malignant disease, Rectal cancer

Short-term and Medium-term Outcomes of Low Midline and Low Transverse Incisions in Laparoscopic Rectal Cancer Surgery: Do Hoe Ku, Hyeon Seung Kim, Jin Yong Shin; Ann Coloproctol. 2020;36(5):304-310. Published online November 13, 2019; DOI: https://doi.org/10.3393/ac.2019.10.22

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3 Web of Science
3 Citations

Abstract PDF

Purpose
Limited data exist on the use of low midline and transverse incisions for specimen extraction or stoma sites in laparoscopic rectal cancer surgery (LRCS). We compared the short-term and medium-term outcomes of these incisions and assessed whether wound complications in specimen extraction sites (SES) are increased by specimen extraction through the stoma site (SESS) in LRCS.
Methods
From March 2010 to December 2017, 189 patients who underwent LRCS and specimen extraction through low abdominal incisions were divided into 2 groups: midline (n = 102) and transverse (n = 87), and perioperative outcomes were compared.
Results
The midline group showed a higher frequency of temporary stoma formation (P = 0.001) and splenic flexure mobilization (P < 0.001) than the transverse group. The overall incisional hernia and wound infection rates in the SES were 21.6% and 25.5%, respectively, in the midline group and 26.4% and 17.2%, respectively, in the transverse group (P = 0.494 and P = 0.232, respectively). In patients who underwent SESS, the incisional hernia and wound infection rates of SES after stoma closure were 39.1% and 43.5%, respectively, in the midline group, and 35.5% and 22.6%, respectively, in the transverse group (P = 0.840 and P = 0.035, respectively).
Conclusion
In terms of incisional hernia and wound infection at the SES, a low midline incision may be used as a low transverse incision in patients without temporary stoma in LRCS. However, considering the high wound complication rates after stoma closure in patients with SESS in this study, SESS should be performed with caution in LRCS.

Citations

Citations to this article as recorded by

Comparison between liquid skin adhesive and wound closure strip for skin closure after subcuticular suturing in single-port laparoscopic appendectomy: a single-center retrospective study in Korea
Kyeong Eui Kim, Yu Ra Jeon, Sung Uk Bae, Woon Kyung Jeong, Seong Kyu Baek
Journal of Minimally Invasive Surgery.2024; 27(1): 14. CrossRef
An evidence map and synthesis review with meta-analysis on the risk of incisional hernia in colorectal surgery with standard closure
C. Stabilini, M.A. Garcia-Urena, F. Berrevoet, D. Cuccurullo, S. Capoccia Giovannini, M. Dajko, L. Rossi, K. Decaestecker, M. López Cano
Hernia.2022; 26(2): 411. CrossRef
Choice of specimen’s extraction site affects wound morbidity in laparoscopic colorectal cancer surgery
Mahmood Al Dhaheri, Mohanad Ibrahim, Omer Al-Yahri, Ibrahim Amer, Mahwish Khawar, Noof Al-Naimi, Ayman Abdelhafiz Ahmed, Mohamed Abu Nada, Amjad Parvaiz
Langenbeck's Archives of Surgery.2022; 407(8): 3561. CrossRef

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