Annals of Coloproctology

Original Articles

Colorectal cancer

Computed tomography–assessed presarcopenia and clinical outcomes after laparoscopic surgery for rectal cancer: Ji Hyeong Song, Rak Kyun Oh, Jeong Eun Lee, Kyung Ha Lee, Ji Yeon Kim, Jin Soo Kim; Ann Coloproctol. 2023;39(6):513-520. Published online December 12, 2023; DOI: https://doi.org/10.3393/ac.2023.00031.0004

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Abstract PDF: Purpose
Previous studies have reported that presarcopenia negatively affects rectal cancer treatment. However, most studies have analyzed patients including majority of open surgery, and the association between presarcopenia and clinical outcomes after laparoscopic rectal cancer surgery remains unclear. This study aimed to evaluate the impact of presarcopenia on the clinical and oncological outcomes after laparoscopic rectal cancer surgery.
Methods
Three hundred and one patients undergoing laparoscopic rectal cancer surgery between December 2009 and May 2016 were enrolled. Body composition was assessed using computed tomography by measuring the muscle and fat areas at the third lumbar (L3) vertebra. The L3 skeletal muscle area was used to calculate the skeletal muscle index and evaluate presarcopenia.
Results
Presarcopenia was more common in older ( ≥ 70 years, P = 0.008) or female patients (P = 0.045). Patients with presarcopenia had decreased skeletal muscle area (P < 0.001), lower hemoglobin level (P = 0.034), longer time to first flatus (P < 0.001), and more frequent surgical site infection (P = 0.001). However, survival rates were not significantly different between those with and without presarcopenia.
Conclusion
Computed tomography-assessed presarcopenia was associated with delayed functional recovery and increased surgical site infection, although it was not revealed as a prognostic factor for oncological outcomes.

Malignant disease,Prognosis and adjuvant therapy,Colorectal cancer,Biomarker & risk factor

Prognostic Factor and Survival Benefit of Adjuvant Chemotherapy in Stage IIA Colon Cancer: Mok-Won Lee, Jin-Su Kim, Ji-Yeon Kim, Kyung-ha Lee; Ann Coloproctol. 2021;37(1):35-43. Published online September 18, 2020; DOI: https://doi.org/10.3393/ac.2020.09.03

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Abstract PDF

Purpose
There is no clear evidence of the benefit of adjuvant chemotherapy (AC) in stage IIA colon cancer. Therefore, we aimed to evaluate the prognostic factors and survival benefit of AC in this disease.
Methods
A retrospective data collection for patients who underwent radical surgery for colon cancer between January 2008 and December 2015 was undertaken. The cohort was divided into the no-AC and AC groups.
Results
We included 227 patients with stage IIA colon cancer in our study cohort, including 67 and 160 patients in the no-AC and AC groups, respectively. The number of retrieved lymph nodes and the presence of tumor complications as obstruction or perforation were independent risk factors for survival. In the no-AC group, there was a significant difference in survival according to the number of retrieved lymph nodes. In the AC group, there were significant differences in survival according to sidedness and preoperative carcinoembryonic antigen (CEA). There was no significant difference in survival between the no-AC and the AC groups.
Conclusion
The number of retrieved lymph nodes and the presence of tumor complications were prognostic factors for stage IIA colon cancer but lymphovascular and perineural invasion were not. Sidedness and preoperative CEA could be used as factors to predict the benefit of adjuvant chemotherapy. Currently, it is believed that there is no benefit of AC for stage IIA colon cancer. Further studies are needed to determine the survival benefit of adjuvant chemotherapy in stage IIA colon cancer.

Citations

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Can clinicopathologic high-risk features in T3N0 colon cancer be reliable prognostic factors?
Hyun Gu Lee, Young IL Kim, In Ja Park, Seok-Byung Lim, Chang Sik Yu
Annals of Surgical Treatment and Research.2023; 104(2): 109. CrossRef
Clinical Effectiveness of Fluorescence Lymph Node Mapping Using ICG for Laparoscopic Right Hemicolectomy: A Prospective Case–Control Study
Gyung Mo Son, Mi Sook Yun, In Young Lee, Sun Bin Im, Kyung Hee Kim, Su Bum Park, Tae Un Kim, Dong-Hoon Shin, Armaan M. Nazir, Gi Won Ha
Cancers.2023; 15(20): 4927. 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
The Prognostic Reliability of Lymphovascular Invasion for Patients with T3N0 Colorectal Cancer in Adjuvant Chemotherapy Decision Making
Hayoung Lee, Seung-Yeon Yoo, In Ja Park, Seung-Mo Hong, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
Cancers.2022; 14(12): 2833. CrossRef
Molecular Analyses in Peritoneal Metastasis from Colorectal Cancer: A Review-An English Version
Chang Hyun Kim
Journal of the Anus, Rectum and Colon.2022; 6(4): 197. CrossRef
Adjuvant chemotherapy benefits on patients with elevated carcinoembryonic antigen in stage IIA colon cancer: a SEER-based analysis
Huabin Zhou, Songsheng Wang, Zhai Cai, Enming Qiu, Qianyun Chen, Xi Rao, Shuai Han, Zhou Li
International Journal of Colorectal Disease.2022; 37(12): 2481. CrossRef
Molecular analyses of peritoneal metastasis from colorectal cancer
Chang Hyun Kim
Journal of the Korean Medical Association.2022; 65(9): 586. CrossRef
Direction of diagnosis and treatment improvement in colorectal cancer
In Ja Park
Journal of the Korean Medical Association.2022; 65(9): 540. CrossRef

Combination Assessment of Clinical Complete Response of Patients With Rectal Cancer Following Chemoradiotherapy With Endoscopy and Magnetic Resonance Imaging: Hye Mi Ko, Yo Han Choi, Jeong Eun Lee, Kyung Ha Lee, Ji Yeon Kim, Jin Soo Kim; Ann Coloproctol. 2019;35(4):202-208. Published online August 31, 2019; DOI: https://doi.org/10.3393/ac.2018.10.15

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16 Citations

Abstract PDF

Purpose
The response to neoadjuvant chemoradiotherapy (CRT) for rectal cancer can be assessed using digital rectal examination, endoscopy and magnetic resonance imaging (MRI). Precise assessment of clinical complete response (CR) after CRT is essential when deciding between optimizing surgery or organ-preserving treatment. The objectives of this study were to correlate the CR finding in endoscopy and MRI with pathologic CR and to determine the appropriate approach for combining endoscopy and MRI to predict the pathologic CR in patients with rectal cancer after neoadjuvant CRT.
Methods
This retrospective cohort study included 102 patients with rectal cancer who underwent endoscopy and MRI at 2–4 weeks after CRT. We assigned a confidence level (1–4) for the endoscopic and MRI assessments. Accuracy, sensitivity, and specificity were analyzed based on the endoscopy, MRI, and combination method findings. Diagnostic modalities were compared using the likelihood ratios.
Results
Of 102 patients, 17 (16.7%) had a CR. The accuracy, sensitivity, and specificity for the prediction CR of endoscopy with biopsy were 85.3%, 52.9%, and 91.8%, while those of MRI were 91.2%, 70.6%, and 95.3%, and those of combined endoscopy and MRI were 89.2%, 52.9%, and 96.5%, respectively. No significant differences were noted in the sensitivity and specificity of any each modality. The prediction rate for CR of the combination method was 92.6% after the posttest probability test.
Conclusion
Our study demonstrated that combining the interpretation of endoscopy with biopsy and MRI could provide a good prediction rate for CR in patients with rectal cancer after CRT.

Citations

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Assessing Endoscopic Response in Locally Advanced Rectal Cancer Treated with Total Neoadjuvant Therapy: Development and Validation of a Highly Accurate Convolutional Neural Network
Hannah Williams, Hannah M. Thompson, Christina Lee, Aneesh Rangnekar, Jorge T. Gomez, Maria Widmar, Iris H. Wei, Emmanouil P. Pappou, Garrett M. Nash, Martin R. Weiser, Philip B. Paty, J. Joshua Smith, Harini Veeraraghavan, Julio Garcia-Aguilar
Annals of Surgical Oncology.2024; 31(10): 6443. CrossRef
Transanal endoscopic microsurgery after radiation or chemoradiation therapy for rectal cancer — peculiarities and results
A А. Nevolskikh, A. R. Brodskiy, V. A. Avdeenko, T. P. Pochuev, Yu. Yu. Mihaleva, T. P. Berezovskaya, R. F. Zibirov, S. A. Myalina, I. A. Orehov, L. O. Petrov, S. A. Ivanov, A. D. Kaprin
Koloproktologia.2024; 23(1): 82. CrossRef
Nonoperative management of rectal cancer
Hannah Williams, Christina Lee, Julio Garcia-Aguilar
Frontiers in Oncology.2024;[Epub] CrossRef
Diagnostic performance of MRI and endoscopy for assessing complete response in rectal cancer after neoadjuvant chemoradiotherapy: a systematic review of the literature
Nicolai Egholt Munk, Peter Bondeven, Bodil Ginnerup Pedersen
Acta Radiologica.2023; 64(1): 20. CrossRef
Correlation of Tumor Response Between Flexible Sigmoidoscopy and Magnetic Resonance Imaging in Patients Undergoing Neoadjuvant Therapy for Locally Advanced Rectal Cancer: A Retrospective Review
Maria A. Rojas, Jose Cataneo, Marianne Gagnon-Konamna, Daniel J. Borsuk, Angela J. Jarzabek, Slawomir J. Marecik, John J. Park, Kunal Kochar
The American Surgeon™.2023; 89(6): 2595. CrossRef
Endoscopy and MRI for restaging early rectal cancer after neoadjuvant treatment
Rutger C. H. Stijns, Jeroen Leijtens, Eelco de Graaf, Simon P. Bach, Geerard Beets, Andre J. A. Bremers, Regina G. H. Beets‐Tan, Johannes H. W. de Wilt
Colorectal Disease.2023; 25(2): 211. CrossRef
Deep learning of endoscopic features for the assessment of neoadjuvant therapy response in locally advanced rectal cancer
Anqi Wang, Jieli Zhou, Gang Wang, Beibei Zhang, Hongyi Xin, Haiyang Zhou
Asian Journal of Surgery.2023; 46(9): 3568. CrossRef
MRI Evaluation of Complete and Near-Complete Response after Neoadjuvant Therapy in Patients with Locally Advanced Rectal Cancer
Anca-Raluca Popita, Cosmin Lisencu, Adriana Rusu, Cristian Popita, Calin Cainap, Alexandru Irimie, Liliana Resiga, Alina Munteanu, Zsolt Fekete, Radu Badea
Diagnostics.2022; 12(4): 921. CrossRef
Watch and wait strategies for rectal cancer: A systematic review
In Ja Park
Precision and Future Medicine.2022; 6(2): 91. CrossRef
Early conformational changes at tumour bed and long term response after neoadjuvant therapy in locally-advanced rectal cancer
Inês Santiago, Maria-João Barata, Nuno Figueiredo, Oriol Parés, Celso Matos
European Journal of Radiology.2021; 140: 109742. CrossRef
Improvement in the Assessment of Response to Preoperative Chemoradiotherapy for Rectal Cancer Using Magnetic Resonance Imaging and a Multigene Biomarker
Eunhae Cho, Sung Woo Jung, In Ja Park, Jong Keon Jang, Seong Ho Park, Seung-Mo Hong, Jong Lyul Lee, Chan Wook Kim, Yong Sik Yoon, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
Cancers.2021; 13(14): 3480. CrossRef
High-Resolution T2-Weighted MRI to Evaluate Rectal Cancer: Why Variations Matter
Kirsten L Gormly
Korean Journal of Radiology.2021; 22(9): 1475. CrossRef
Comparison between Local Excision and Radical Resection for the Treatment of Rectal Cancer in ypT0-1 Patients: An Analysis of the Clinicopathological Factors and Survival Rates
Soo Young Oh, In Ja Park, Young IL Kim, Jong-Lyul Lee, Chan Wook Kim, Yong Sik Yoon, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
Cancers.2021; 13(19): 4823. CrossRef
MRI T2-weighted sequences-based texture analysis (TA) as a predictor of response to neoadjuvant chemo-radiotherapy (nCRT) in patients with locally advanced rectal cancer (LARC)
Filippo Crimì, Giulia Capelli, Gaya Spolverato, Quoc Riccardo Bao, Anna Florio, Sebastiano Milite Rossi, Diego Cecchin, Laura Albertoni, Cristina Campi, Salvatore Pucciarelli, Roberto Stramare
La radiologia medica.2020; 125(12): 1216. CrossRef
MRI Assessment of Complete Response to Preoperative Chemoradiation Therapy for Rectal Cancer: 2020 Guide for Practice from the Korean Society of Abdominal Radiology
Seong Ho Park, Seung Hyun Cho, Sang Hyun Choi, Jong Keon Jang, Min Ju Kim, Seung Ho Kim, Joon Seok Lim, Sung Kyoung Moon, Ji Hoon Park, Nieun Seo
Korean Journal of Radiology.2020; 21(7): 812. CrossRef
Watch and wait approach in rectal cancer: Current controversies and future directions
Fernando López-Campos, Margarita Martín-Martín, Roberto Fornell-Pérez, Juan Carlos García-Pérez, Javier Die-Trill, Raquel Fuentes-Mateos, Sergio López-Durán, José Domínguez-Rullán, Reyes Ferreiro, Alejandro Riquelme-Oliveira, Asunción Hervás-Morón, Felipe
World Journal of Gastroenterology.2020; 26(29): 4218. CrossRef

Editorial

Correlation Between Anastomotic Configuration and Long-term Outcomes in Surgery for Crohn Disease: Jin-Su Kim, Ji-Yeon Kim; Ann Coloproctol. 2017;33(5):159-160. Published online October 31, 2017; DOI: https://doi.org/10.3393/ac.2017.33.5.159

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Case Report

Colorectal Perforation After Anorectal Manometry for Low Anterior Resection Syndrome: Kyung Ha Lee, Ji Yeon Kim, Young Hoon Sul; Ann Coloproctol. 2017;33(4):146-149. Published online August 31, 2017; DOI: https://doi.org/10.3393/ac.2017.33.4.146

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Abstract PDF

We experienced 3 cases of manometry-induced colon perforation. A 75-year-old man (case 1) underwent anorectal manometry (ARM) 3 years after radiotherapy for prostate cancer and a laparoscopic intersphincteric resection for rectal cancer. A 70-year-old man (case 2) underwent ARM 3 months after conventional neoadjuvant chemoradiotherapy and a laparoscopic low anterior resection for rectal cancer. A 78-year-old man (case 3) underwent ARM 2 months after a laparoscopic intersphincteric resection for rectal cancer. In all cases, a colon perforation with fecal peritonitis occurred. All were treated successfully using prompt and active operations and were discharged without any complications. ARM with a balloon, as a measure of rectal compliance, should be performed 2 months or longer after surgery. If a perforation occurs, prompt and active surgical intervention is necessary due to the high possibility of extensive fecal peritonitis.

Citations

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Effect of low anterior resection syndrome on quality of life in colorectal cancer patients: A retrospective observational study
Dong-Ai Jin, Fang-Ping Gu, Tao-Li Meng, Xuan-Xuan Zhang
World Journal of Gastrointestinal Surgery.2023; 15(10): 2123. CrossRef
Functional anorectal studies in patients with low anterior resection syndrome
Ssu‐Chi Chen, Kaori Futaba, Wing Wa Leung, Cherry Wong, Tony Mak, Simon Ng, Hans Gregersen
Neurogastroenterology & Motility.2022;[Epub] CrossRef
Variation in rectoanal inhibitory reflex after laparoscopic intersphincteric resection for ultralow rectal cancer
Bin Zhang, Ke Zhao, Yu‐Juan Zhao, Shu‐Hui Yin, Guang‐Zuan Zhuo, Yong Zhao, Jian‐Hua Ding
Colorectal Disease.2021; 23(2): 424. CrossRef
Broken beer bottle as a cause of sigmoid perforation: A summary of causes and predictors in the management of traumatic and non-traumatic colorectal perforation
Christian German Ospina-Pérez, Ana Milena Álvarez-Acuña, Lina María López-Álvarez, Rosa María Ospina-Pérez, Ivan David Lozada-Martínez, Sabrina Rahman
International Journal of Surgery Case Reports.2021; 85: 106261. CrossRef
Assessment of defecation function after sphincter-saving resection for mid to low rectal cancer: A cross-sectional study
Bao-Jia Luo, Mei-Chun Zheng, Yang Xia, Zhu Ying, Jian-Hong Peng, Li-Ren Li, Zhi-Zhong Pan, Hui-Ying Qin
European Journal of Oncology Nursing.2021; 55: 102059. CrossRef

Editorials

Current Situation on the Diagnosis of Anismus-Discordances Between Imaging and a Physiologic Study: Kyung Ha Lee, Ji Yeon Kim; Ann Coloproctol. 2016;32(5):159-159. Published online October 31, 2016; DOI: https://doi.org/10.3393/ac.2016.32.5.159

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Systematic review and meta‐analysis of the outcome of puborectalis division in the treatment of anismus
Sameh Hany Emile, Samer Hani Barsom, Sualeh Muslim Khan, Steven D. Wexner
Colorectal Disease.2022; 24(4): 369. CrossRef

Impact of Visceral Fat Area in Colorectal Surgery: Ji Yeon Kim; Ann Coloproctol. 2016;32(1):3-4. Published online February 29, 2016; DOI: https://doi.org/10.3393/ac.2016.32.1.3

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Should a Contrast Enema Be Performed Before Reversal of a Diverting Stoma in Lower Rectal Surgery?: Ji Yeon Kim; Ann Coloproctol. 2015;31(4):117-118. Published online August 31, 2015; DOI: https://doi.org/10.3393/ac.2015.31.4.117

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Out of the Loop: The Value of a Preoperative Loopogram for Colostomy Reversal in Trauma
Nolitha Makapi Tisetso Morare, Meshack Nkosinaye Motha, Maeyane Stephens Moeng
World Journal of Surgery.2021; 45(7): 2009. CrossRef

Case Report

TisN0M1 Sigmoid Colon Cancer: A Case Report: Kyung Ha Lee, Jin Su Kim, Kwang Sik Cheon, In Sang Song, Dae Young Kang, Ji Yeon Kim; Ann Coloproctol. 2014;30(3):141-146. Published online June 23, 2014; DOI: https://doi.org/10.3393/ac.2014.30.3.141

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10 Web of Science
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Abstract PDF

Distant metastasis of a colon carcinoma in situ has not yet been reported. We experienced a case of a sigmoid colon carcinoma in situ with common hepatic lymph node metastasis. After the first operation, we diagnosed dual intramucosal adenocarcinomas of the sigmoid colon without any regional lymph node metastasis. After the second operation, a metastatic adenocarcinoma was found in the common hepatic lymph nodes. We suggest that metastasis in cases of a colonic carcinoma in situ is rare, but possible. The parallel progression model of tumors can explain this early metastasis.

Citations

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Potential for Metastasis and Recurrence in Colorectal Carcinoma In Situ: A Retrospective Analysis of 1069 Patients
Seijong Kim, Jung Kyong Shin, Yoonah Park, Jung Wook Huh, Hee Cheol Kim, Seong Hyeon Yun, Woo Yong Lee, Yong Beom Cho
Clinical Colorectal Cancer.2024; 23(3): 245. CrossRef
Rectal intramucosal carcinoma with lymph node metastasis and tumor deposit
Wenhao Chen, Liang Kang, Yan Huang, Zhao Ding
Asian Journal of Surgery.2022; 45(9): 1719. CrossRef
Presacral lymph node recurrence of rectal intramucosal adenocarcinoma after endoscopic mucosal resection: a case report
Taichi Horino, Yukiharu Hiyoshi, Yuji Miyamoto, Naoya Yoshida, Hideo Baba
Surgical Case Reports.2020;[Epub] CrossRef
Recurrence, death risk, and related factors in patients with stage 0 colorectal cancer
Ming-Hao Hsieh, Pei-Tseng Kung, Wen-Yin Kuo, Tao-Wei Ke, Wen-Chen Tsai
Medicine.2020; 99(36): e21688. CrossRef
Recurrence rate of lateral margin-positive cases after en bloc endoscopic submucosal dissection of colorectal neoplasia
Seohyun Lee, Jihun Kim, Jae Seung Soh, Jungho Bae, Sung Wook Hwang, Sang Hyoung Park, Byong Duk Ye, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang, Dong-Hoon Yang
International Journal of Colorectal Disease.2018; 33(6): 735. CrossRef
Unusual Local Recurrence with Distant Metastasis after Successful Endoscopic Submucosal Dissection for Colorectal Mucosal Cancer
Hyo Jeong Lee, Byong Duk Ye, Jeong-Sik Byeon, Jihun Kim, Young Soo Park, Yong Sang Hong, Yong Sik Yoon, Dong-Hoon Yang
Clinical Endoscopy.2017; 50(1): 91. CrossRef
Lymph node pooling: a feasible and efficient method of lymph node molecular staging in colorectal carcinoma
Natalia Rakislova, Carla Montironi, Iban Aldecoa, Eva Fernandez, Josep Antoni Bombi, Mireya Jimeno, Francesc Balaguer, Maria Pellise, Antoni Castells, Miriam Cuatrecasas
Journal of Translational Medicine.2017;[Epub] CrossRef
Inter- and intra-tumor profiling of multi-regional colon cancer and metastasis
Akihiro Kogita, Yasumasa Yoshioka, Kazuko Sakai, Yosuke Togashi, Shunsuke Sogabe, Takuya Nakai, Kiyotaka Okuno, Kazuto Nishio
Biochemical and Biophysical Research Communications.2015; 458(1): 52. CrossRef

Original Article

A Phase II Study of Additional Four-Week Chemotherapy With Capecitabine During the Resting Periods After Six-Week Neoadjuvant Chemoradiotherapy in Patients With Locally Advanced Rectal Cancer: Kyung Ha Lee, Min Sang Song, Jun Boem Park, Jin Soo Kim, Dae Young Kang, Ji Yeon Kim; Ann Coloproctol. 2013;29(5):192-197. Published online October 31, 2013; DOI: https://doi.org/10.3393/ac.2013.29.5.192

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Abstract PDF

Purpose

The aim of this study is to evaluate the efficacy and the safety of additional 4-week chemotherapy with capecitabine during the resting periods after a 6-week neoadjuvant chemoradiotherapy (NCRT) in patients with locally advanced rectal cancer.

Methods

Radiotherapy was delivered to the whole pelvis at a total dose of 50.4 Gy for 6 weeks. Oral capecitabine was administered at a dose of 825 mg/m² twice daily for 10 weeks. Surgery was performed 2-4 weeks following the completion of chemotherapy.

Results

Between January 2010 and September 2011, 44 patients were enrolled. Forty-three patients underwent surgery, and 41 patients completed the scheduled treatment. Pathologic complete remission (pCR) was noted in 9 patients (20.9%). T down-staging and N down-staging were observed in 32 patients (74.4%) and 33 patients (76.7%), respectively. Grade 3 to 5 toxicity was noted in 5 patients (11.4%). The pCR rate was similar with the pCR rates obtained after conventional NCRT at our institute and at other institutes.

Conclusion

This study showed that additional 4-week chemotherapy with capecitabine during the resting periods after 6-week NCRT was safe, but it was no more effective than conventional NCRT.

Citations

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Locally Advanced Rectal Cancer: What We Learned in the Last Two Decades and the Future Perspectives
Vivek Srivastava, Aakansha Giri Goswami, Somprakas Basu, Vijay Kumar Shukla
Journal of Gastrointestinal Cancer.2023; 54(1): 188. CrossRef
The Effect of Continuing Chemotherapy after Chemoradiotherapy during the Time to Surgery on Tumor Response and Survival for Local Advanced Rectal Cancer
Atike Gökçen Demiray, Arzu Yaren, Uğur Sungurtekin, Papatya Bahar Baltalarlı, Neşe Demirkan, Duygu Herek, Burcu Yapar Taşköylü, Gamze Gököz Doğu, Serkan Değirmencioğlu, Utku Özgen, Halil Sağınç, Umut Çakıroğlu, Nail Özhan, Canan Karan, Burçin Çakan Demire
Journal of Oncology.2022; 2022: 1. CrossRef
Phase 2 Neoadjuvant Treatment Intensification Trials in Rectal Cancer: A Systematic Review
Mark T.W. Teo, Lucy McParland, Ane L. Appelt, David Sebag-Montefiore
International Journal of Radiation Oncology*Biology*Physics.2018; 100(1): 146. CrossRef
Efficacy and Safety of Low-Dose-Rate Endorectal Brachytherapy as a Boost to Neoadjuvant Chemoradiation in the Treatment of Locally Advanced Distal Rectal Cancer: A Phase-II Clinical Trial
Shapour Omidvari, Shadi Zohourinia, Mansour Ansari, Leila Ghahramani, Mohammad Zare-Bandamiri, Ahmad Mosalaei, Niloofar Ahmadloo, Saeedeh Pourahmad, Hamid Nasrolahi, Sayed Hasan Hamedi, Mohammad Mohammadianpanah
Annals of Coloproctology.2015; 31(4): 123. CrossRef
Additional Chemotherapy During Resting Periods After Preoperative Chemoradiotherapy in Patients With Rectal Cancer
Ok Suk Bae
Annals of Coloproctology.2013; 29(5): 178. CrossRef

Case Report

Recurrent Renal Leiomyosarcoma Mimicking a Colonic Submucosal Tumor: A Case Report: Yun Jeung Kim, Hee Seok Moon, Eaum Seok Lee, Jae Kyu Sung, Hyun Yong Jeong, Ji Yeon Kim, Dae Young Kang; J Korean Soc Coloproctol. 2011;27(5):270-274. Published online October 31, 2011; DOI: https://doi.org/10.3393/jksc.2011.27.5.270

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Abstract PDF

A primary leiomyosarcoma of the kidney is a rare, but highly aggressive, neoplasm, accounting for only 0.1% of all invasive renal tumors. Local or systemic recurrence is common, but a leiomyosarcoma is difficult to diagnose preoperatively. We recently encountered an interesting case of an unusual recurrence of a renal leiomyosarcoma. A 57-year-old woman visited our hospital complaining of lower abdominal pain. Four years previously, she had undergone a left nephrectomy. She had a primary leiomyosarcoma of the kidney that had been misdiagnosed as a renal cell carcinoma. Colonoscopy revealed the presence of a lesion similar to a submucosal tumor in the descending colon. Postoperative pathologic examination confirmed that the mass was a recurrent leiomyosarcoma. We report this unusual case and present a review of the literature.

Citations

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A Rare Case of Colonic Leiomyosarcoma in Association with Ulcerative Colitis
Daisuke Akutsu, Yuji Mizokami, Hideo Suzuki, Masahiko Terasaki, Toshiaki Narasaka, Tsuyoshi Kaneko, Hirofumi Matsui, Tsuyoshi Enomoto, Taiki Sato, Ichinosuke Hyodo
Internal Medicine.2016; 55(19): 2799. CrossRef

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