Malignant disease,Rectal cancer,Complication,Biomarker & risk factor
- Cross-sectional area of psoas muscle as a predictive marker of anastomotic failure in male rectal cancer patients: Japanese single institutional retrospective observational study
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Yusuke Mizuuchi, Yoshitaka Tanabe, Masafumi Sada, Koji Tamura, Kinuko Nagayoshi, Shuntaro Nagai, Yusuke Watanabe, Sadafumi Tamiya, Kohei Nakata, Kenoki Ohuchida, Toru Nakano, Masafumi Nakamura
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Ann Coloproctol. 2022;38(5):353-361. Published online April 12, 2022
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DOI: https://doi.org/10.3393/ac.2022.00122.0017
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Graphical Abstract
Abstract
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Supplementary Material

- Purpose
Preoperative sarcopenia worsens postoperative outcomes in various cancer types including colorectal cancer. However, we often experienced postoperative anastomotic leakage in muscular male patients such as Judo players, especially in rectal cancer surgery with lower anastomosis. It is controversial whether the whole skeletal muscle mass impacts the potential for anastomotic failure in male rectal cancer patients. Thus, the purpose of this study was to clarify whether skeletal muscle mass impacts anastomotic leakage in rectal cancer in men.
Methods
We reviewed the medical charts of male patients suffering from rectal cancer who underwent colo-procto anastomosis below the peritoneal reflection without a protective diverting stoma. We measured the psoas muscle area and calculated the psoas muscle index.
Results
One hundred ninety-seven male rectal cancer patients were enrolled in this study. The psoas muscle index was significantly higher in patients with anastomotic leakage (P<0.001). Receiver operating characteristic curve determined the optimal cut-off value of the psoas muscle index for predicting anastomotic leakage as 812.67 cm2/m2 (sensitivity of 60% and specificity of 74.3%). Multivariate analysis revealed that high psoas muscle index (risk ratio [RR], 3.933; P<0.001; 95% confidence interval [CI], 1.917–8.070) and super low anastomosis (RR, 2.792; P=0.015; 95% CI, 1.221–6.384) were independent predictive factors of anastomotic leakage.
Conclusion
This study showed that male rectal cancer patients with a large psoas muscle mass who underwent lower anastomosis had a higher rate of postoperative anastomotic leakage.
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Citations
Citations to this article as recorded by

- Sex Disparities in Rectal Cancer Surgery: An In-Depth Analysis of Surgical Approaches and Outcomes
Chungyeop Lee, In Ja Park
The World Journal of Men's Health.2024; 42(2): 304. CrossRef - Unraveling the role of computed tomography derived body composition metrics on anastomotic leakages rates in rectal cancer surgery: A protocol for a systematic review and meta-analysis
Mark Broekman, Charlotte M. S. Genders, Ritchie T. J. Geitenbeek, Klaas Havenga, Schelto Kruijff, Joost M. Klaase, Alain R. Viddeleer, Esther C. J. Consten, Ozlem Boybeyi-Turer
PLOS ONE.2024; 19(7): e0307606. CrossRef - Association of computed tomography‐derived body composition and complications after colorectal cancer surgery: A systematic review and meta‐analysis
Claire P.M. van Helsdingen, Job G.A. van Wijlick, Ralph de Vries, Nicole D. Bouvy, Mariska M.G. Leeflang, Robert Hemke, Joep P.M. Derikx
Journal of Cachexia, Sarcopenia and Muscle.2024; 15(6): 2234. CrossRef - Prognostic Value of Artificial Intelligence-Driven, Computed Tomography-Based, Volumetric Assessment of the Volume and Density of Muscle in Patients With Colon Cancer
Minsung Kim, Sang Min Lee, Il Tae Son, Taeyong Park, Bo Young Oh
Korean Journal of Radiology.2023; 24(9): 849. CrossRef - Impact of Postoperative Naples Prognostic Score to Predict Survival in Patients with Stage II–III Colorectal Cancer
Su Hyeong Park, Hye Seung Woo, In Kyung Hong, Eun Jung Park
Cancers.2023; 15(20): 5098. 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 - Preventing Anastomotic Leakage, a Devastating Complication of Colorectal Surgery
Hyun Gu Lee
The Ewha Medical Journal.2023;[Epub] CrossRef - Can the cross-sectional area of the psoas muscle be a predictor of anastomotic failure in male rectal cancer patients?
Myong Hoon Ihn
Annals of Coloproctology.2022; 38(5): 333. CrossRef - Psoas Muscle Index – Could It Be an Indicator of Postoperative Complications in Colorectal Cancer? Case Presentation and Review of the Literature
Georgiana Alexandra Scurtu, Zsolt Zoltán Fülöp, Botond Kiss, Patricia Simu, Diana Burlacu, Tivadar Bara
Journal of Interdisciplinary Medicine.2022; 7(4): 100. CrossRef
Malignant disease, Rectal cancer
- Robotic Partial Excision of Levator-Ani Muscle for Locally Advanced Low Rectal Cancer Invading Ipsilateral Pelvic Floor
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Seung Yoon Yang, Nam Kyu Kim
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Ann Coloproctol. 2020;36(6):415-416. Published online December 31, 2020
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DOI: https://doi.org/10.3393/ac.2020.06.29
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4,130
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84
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10
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Abstract
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Supplementary Material
- Tumors at the level of the anorectal junction had required abdominoperineal resection (APR) to achieve an adequate resection margin. However, in the cases of tumor invading ipsilateral levator-ani muscle (LAM), en-bloc resection of the rectum with LAM including tumor would be possible. This video is to show the critical anatomic steps of this procedure. A video was produced from the robotic right partial excision of LAM (PELM) performed in a 57-year-old female patient with rectal cancer at 3 cm from the anal verge, invading the ipsilateral anorectal ring, who had received neoadjuvant chemoradiotherapy. The patient discharged at postoperative day 8 without complication. The pathology of the surgical specimen revealed ypT3N1bM0. The secure resection margin from the tumor was achieved. Robotic PELM is the sphincter-preserving technique that can be an alternative treatment option for low rectal cancer invading the ipsilateral LAM, which has been an indication for APR or extralevator APR.
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Citations
Citations to this article as recorded by

- Tailoring rectal cancer surgery: Surgical approaches and anatomical insights during deep pelvic dissection for optimal outcomes in low‐lying rectal cancer
Youn Young Park, Nam Kyu Kim
Annals of Gastroenterological Surgery.2024; 8(5): 761. CrossRef - Recent advances in functional bismuth chalcogenide nanomaterials: Cancer theranostics, antibacterial and biosensing
Qian Wang, Jun Du, Ruizhuo Ouyang, Baolin Liu, Yuqing Miao, Yuhao Li
Coordination Chemistry Reviews.2023; 492: 215281. CrossRef - Robotic APR with en bloc TAH/BSO and posterior vaginectomy
M. S. Meece, L. P. Horner, S. J. Danker, A. K. Sinno, N. Paluvoi
Techniques in Coloproctology.2023; 27(12): 1381. 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 - Robot-Assisted Colorectal Surgery
Young Il Kim
The Ewha Medical Journal.2022;[Epub] CrossRef - Outcomes of robotic partial excision of the levator ani muscle for locally advanced low rectal cancer invading the ipsilateral pelvic floor at the anorectal ring level
Seung Yoon Yang, Min Soo Cho, Nam Kyu Kim
The International Journal of Medical Robotics and Computer Assisted Surgery.2021;[Epub] CrossRef