Intestinal Research

Original Articles

Clinical characteristics of patients with serrated polyposis syndrome in Korea: comparison with Western patients: Eun Ran Kim, Jaryong Jeon, Jin Hee Lee, Yoon Jung Lee, Sung Noh Hong, Dong Kyung Chang, Young-Ho Kim; Intest Res 2017;15(3):402-410. Published online June 12, 2017; DOI: https://doi.org/10.5217/ir.2017.15.3.402

Background/Aims

Serrated polyposis syndrome (SPS) has been shown to increase the risk of colorectal cancer (CRC). However, little is known about the characteristics of Asian patients with SPS. This study aimed to identify the clinicopathological features and risk of CRC in Korean patients with SPS as well as the differences between Korean and Western patients based on a literature review.

Methods

This retrospective study included 30 patients with SPS as defined by World Health Organization classification treated at Samsung Medical Center, Korea, between March 1999 and May 2011.

Results

Twenty patients (67%) were male. The median patient age at diagnosis was 56 years (range, 39–76 years). A total of 702 polyps were identified during a median follow-up of 43 months (range, 0–149 months). Serrated polyps were noted more frequently in the distal colon (298/702, 55%). However, large serrated polyps and serrated adenomas were mainly distributed throughout the proximal colon (75% vs. 25% and 81% vs. 19%, respectively); 73.3% had synchronous adenomatous polyps. The incidence of CRC was 10% (3/30 patients), but no interval CRC was detected. A total of 87% of the patients underwent esophagogastroduodenoscopy and 19.2% had significant lesions.

Conclusions

The phenotype of SPS in Korean patients is different from that of Western patients. In Korean patients, SPS is more common in men, there were fewer total numbers of serrated adenoma/polyps, and the incidence of CRC was lower than that in Western patients. Korean patients tend to more frequently have abnormal gastric lesions. However, the prevalence of synchronous adenomatous polyps is high in both Western and Korean patients.

Citations

Citations to this article as recorded by

Risk of Colorectal Cancer in Serrated Polyposis Syndrome: A Systematic Review and Meta-analysis
Charles Muller, Akihiro Yamada, Sachie Ikegami, Haider Haider, Yuga Komaki, Fukiko Komaki, Dejan Micic, Atsushi Sakuraba
Clinical Gastroenterology and Hepatology.2022; 20(3): 622. CrossRef
Synchronized early gastric cancer occurred in a patient with serrated polyposis syndrome: A case report
Ying-Ze Ning, Guan-Yi Liu, Xiao-Long Rao, Yong-Chen Ma, Long Rong
World Journal of Clinical Cases.2022; 10(8): 2644. CrossRef
Usefulness of narrow-band imaging for the detection of remnant sessile-serrated adenoma (SSA) tissue after endoscopic resection: the KASID multicenter study
Yunho Jung, Jung Rock Moon, Seong Ran Jeon, Jae Myung Cha, Hyo-Joon Yang, Suyeon Park, Yumi Ahn, Jeong-Sik Byeon, Hyun Gun Kim
Surgical Endoscopy.2021; 35(9): 5217. CrossRef
Serrated Polyposis Syndrome with a Synchronous Colon Adenocarcinoma Treated by an Endoscopic Mucosal Resection
Sang Hoon Lee, Sung Joon Lee, Sung Chul Park, Seung-Joo Nam, Myeong Ho Kang, Tae Suk Kim, Seung Koo Lee
The Korean Journal of Gastroenterology.2020; 76(3): 159. CrossRef

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Current practices in endoscopic submucosal dissection for colorectal neoplasms: a survey of indications among Korean endoscopists: Tae Jun Kim, Eun Ran Kim, Sung Noh Hong, Young-Ho Kim, Dong Kyung Chang; Intest Res 2017;15(2):228-235. Published online April 27, 2017; DOI: https://doi.org/10.5217/ir.2017.15.2.228

Abstract PDF Supplementary Material PubReader ePub

Background/Aims

The indications for colorectal endoscopic submucosal dissection (ESD) vary in clinical practice. To establish colorectal ESD as a standard treatment, standard indications are essential. For establishing standard indications for colorectal ESD, we surveyed the preferences and criteria of endoscopists for colorectal ESD in their practices.

Methods

A multiple-choice questionnaire was sent to 27 members of the Korean Society of Gastrointestinal Endoscopy/ESD group. The indications of endoscopists for selecting ESD as a treatment for colorectal tumors ≥2 cm in diameter were surveyed.

Results

On the basis of the preprocedural assessment of histology, adenoma with high-grade dysplasia, mucosal cancer, and shallow submucosa invasive cancer were included in the indication for ESD. Based on gross morphology, laterally spreading tumor (LST) granular nodular mixed type, LST-nongranular (LST-NG) flat elevated type, and LST-NG pseudodepressed type were included. On the basis of the pit pattern by Kudo classification, types III, IV, and V-I were included. Based on the narrow band imaging pattern by Sano classification, types II and III-a were included. Other lesions, such as sporadic localized tumors in chronic inflammation and local residual early carcinoma after endoscopic resection, were also included in the indication for ESD.

Conclusions

The indications of Korean endoscopists for colorectal ESD are broader than those in recent guidelines, and tend to include more benign-looking tumors. To find the appropriate indications for colorectal ESD, systematic data collection and analysis are required to reach a consensus in a timely manner.

Citations

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Endoscopic treatment vs surgery for T1-stage colorectal cancer: a real-world retrospective cohort study
Wei Su, Han Chen, Die Hu, Xueliang Li, Xinmin Si, Bixing Ye, Guoxin Zhang, Xiaoying Zhou
Gastrointestinal Tumors.2025;[Epub] CrossRef
Traction methods for endoscopic submucosal dissection
Ji Hyun Kim, Sung Chul Park
Journal of Innovative Medical Technology.2024; 2(2): 47. CrossRef
Long-term prognosis of curative endoscopic submucosal dissection for early colorectal cancer according to submucosal invasion: a multicenter cohort study
Jongbeom Shin, Eun Ran Kim, Hyun Joo Jang, Dong Hoon Baek, Dong-Hoon Yang, Bo-In Lee, Kwang Bum Cho, Jin Woong Cho, Sung-Ae Jung, Su Jin Hong, Bong Min Ko, Jung-Won Jeon, Weon Jin Ko, Sun Moon Kim, Young Dae Kim, Kim Chan Gyoo, Gwang Ho Baik, In Kyung Yoo
BMC Gastroenterology.2022;[Epub] CrossRef
Risk of Covert Submucosal Cancer in Patients With Granular Mixed Laterally Spreading Tumors
Ferdinando D’Amico, Arnaldo Amato, Andrea Iannone, Cristina Trovato, Chiara Romana, Stefano Angeletti, Roberta Maselli, Franco Radaelli, Giancarla Fiori, Edi Viale, Emilio Di Giulio, Paola Soriani, Mauro Manno, Emanuele Rondonotti, Piera Alessia Galtieri,
Clinical Gastroenterology and Hepatology.2021; 19(7): 1395. CrossRef
Clinical practice guideline for endoscopic resection of early gastrointestinal cancer
Chan Hyuk Park, Dong-Hoon Yang, Jong Wook Kim, Jie-Hyun Kim, Ji Hyun Kim, Yang Won Min, Si Hyung Lee, Jung Ho Bae, Hyunsoo Chung, Kee Don Choi, Jun Chul Park, Hyuk Lee, Min-Seob Kwak, Bun Kim, Hyun Jung Lee, Hye Seung Lee, Miyoung Choi, Dong-Ah Park, Jong
Intestinal Research.2021; 19(2): 127. CrossRef
Colonoscopic Polypectomy Preferences of Asian Endoscopists: Results of a Survey-Based Study
Dong-Hoon Yang, Bayasgalan Luvsandagva, Quang Trung Tran, Achmad Fauzi, Panida Piyachaturawat, Thida Soe, Zhiqin Wong, Jeong-Sik Byeon
Gut and Liver.2021; 15(3): 391. CrossRef
Clinical outcomes of submucosal colorectal cancer diagnosed after endoscopic resection: a focus on the need for surgery
Yun Sik Choi, Wan Soo Kim, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Byong Duk Ye, Seung-Jae Myung, Suk-Kyun Yang, Jeong-Sik Byeon
Intestinal Research.2020; 18(1): 96. CrossRef
Clinical Practice Guideline for Endoscopic Resection of Early Gastrointestinal Cancer
Chan Hyuk Park, Dong-Hoon Yang, Jong Wook Kim, Jie-Hyun Kim, Ji Hyun Kim, Yang Won Min, Si Hyung Lee, Jung Ho Bae, Hyunsoo Chung, Kee Don Choi, Jun Chul Park, Hyuk Lee, Min-Seob Kwak, Bun Kim, Hyun Jung Lee, Hye Seung Lee, Miyoung Choi, Dong-Ah Park, Jong
Clinical Endoscopy.2020; 53(2): 142. CrossRef
Clinical Practice Guideline for Endoscopic Resection of Early Gastrointestinal Cancer
Chan Hyuk Park, Dong-Hoon Yang, Jong Wook Kim, Jie-Hyun Kim, Ji Hyun Kim, Yang Won Min, Si Hyung Lee, Jung Ho Bae, Hyunsoo Chung, Kee Don Choi, Jun Chul Park, Hyuk Lee, Min-Seob Kwak, Bun Kim, Hyun Jung Lee, Hye Seung Lee, Miyoung Choi, Dong-Ah Park, Jong
The Korean Journal of Gastroenterology.2020; 75(5): 264. CrossRef
Clinical Practice Guideline for Endoscopic Resection of Early Gastrointestinal Cancer
Chan Hyuk Park, Dong-Hoon Yang, Jong Wook Kim, Jie-Hyun Kim, Ji Hyun Kim, Yang Won Min, Si Hyung Lee, Jung Ho Bae, Hyunsoo Chung, Kee Don Choi, Jun Chul Park, Hyuk Lee, Min-Seob Kwak, Bun Kim, Hyun Jung Lee, Hye Seung Lee, Miyoung Choi, Dong-Ah Park, Jong
The Korean Journal of Helicobacter and Upper Gastrointestinal Research.2020; 20(2): 117. CrossRef
The risk factors for delayed bleeding after endoscopic resection of colorectal tumors: a meta-analysis
Yanqin Xu, Shishun Zhong, Wei Liang, Xiao Lu Lin
Expert Review of Gastroenterology & Hepatology.2020; 14(11): 1083. CrossRef
Clinical outcomes of endoscopic resection for colorectal laterally spreading tumors with advanced histology
Jin-Sung Jung, Ji-Yun Hong, Hyung-Hoon Oh, Sun-Seog Kweon, Jun Lee, Sang-Wook Kim, Geom-Seog Seo, Hyun-Soo Kim, Young-Eun Joo
Surgical Endoscopy.2019; 33(8): 2562. CrossRef
Clinicopathological feature and treatment outcome of patients with colorectal laterally spreading tumors treated by endoscopic submucosal dissection
Young-Hoon Jeong, Jun Lee, Sang-Wook Kim, Geom-Seog Seo, Hyun-Soo Kim, Young-Eun Joo
Intestinal Research.2019; 17(1): 127. CrossRef
Outcomes of ulcerative colitis‐associated dysplasia patients referred for potential endoscopic submucosal dissection
Dong‐Hoon Yang, Jihun Kim, Eun Mi Song, Kiju Chang, Sun‐Ho Lee, Sung Wook Hwang, Sang Hyoung Park, Byong Duk Ye, Jeong‐Sik Byeon, Seung‐Jae Myung, Suk‐Kyun Yang
Journal of Gastroenterology and Hepatology.2019; 34(9): 1581. 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
Risk factors for procedure-related complications after endoscopic resection of colorectal laterally spreading tumors
Ji-Yun Hong, Sun-Seog Kweon, Jun Lee, Sang-Wook Kim, Geom-Seog Seo, Hyun-Soo Kim, Young-Eun Joo
Medicine.2018; 97(41): e12589. CrossRef

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Case Report

Wernicke's encephalopathy after total parenteral nutrition in patients with Crohn's disease: In Seub Shin, Hyeri Seok, Yeong Hee Eun, You-Bin Lee, Seung-Eun Lee, Eun Ran Kim, Dong Kyung Chang, Young-Ho Kim, Sung Noh Hong; Intest Res 2016;14(2):191-196. Published online April 27, 2016; DOI: https://doi.org/10.5217/ir.2016.14.2.191

Abstract PDF PubReader ePub

Micronutrient deficiencies in Crohn's disease (CD) patients are not uncommon and usually result in a combination of reduced dietary intake, disease-related malabsorption, and a catabolic state. Decreased serum thiamine levels are often reported in patients with CD. Wernicke's encephalopathy (WE) is a severe form of thiamine deficiency that can cause serious neurologic complications. Although WE is known to occur frequently in alcoholics, a number of non-alcoholic causes have also been reported. Here, we report two cases of non-alcoholic WE that developed in two severely malnourished CD patients who were supported by prolonged total parenteral nutrition without thiamine supplementation. These patients complained of sudden-onset ophthalmopathy, cerebellar dysfunction, and confusion. Magnetic resonance imaging allowed definitive diagnosis for WE despite poor sensitivity. The intravenous administration of thiamine alleviated the symptoms of WE dramatically. We emphasize the importance of thiamine supplementation for malnourished patients even if they are not alcoholics, especially in those with CD.

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Roshaani Rasiah, Claudia Gregoriano, Beat Mueller, Alexander Kutz, Philipp Schuetz
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LLL 44 – Module 3: Micronutrients in Chronic disease
Hanna-Liis Lepp, Karin Amrein, Oguzhan S. Dizdar, Michael P. Casaer, Kursat Gundogan, Angélique M.E. de Man, Serge Rezzi, Arthur R.H. van Zanten, Alan Shenkin, Mette M. Berger
Clinical Nutrition ESPEN.2024; 62: 285. CrossRef
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David Kohler, Hannah Freid, Jennifer Cholewka, Megan Miller, Stephanie L. Gold
Nutrition in Clinical Practice.2024; 39(5): 1026. CrossRef
Novel XIAP mutation with early-onset Crohn’s disease complicated with acute heart failure: a case report
Chendong Peng, Yuang Jiang, Xianhong Ou, Lei Liao, Chengying Yang, Qiao Zhou, Yan Wei, Lijia Chang, Xinrong Fan
BMC Cardiovascular Disorders.2023;[Epub] CrossRef
A COMBINATION REVIEW ON EFFECT OF CITRUS JUICE AND METRONIDAZOLE IN INFLAMMATORY BOWEL DISEASE
Deeksha, Shalini Saini, Meenakshi Bhatt
International Journal of Research -GRANTHAALAYAH.2023;[Epub] CrossRef
Wernicke's encephalopathy in Crohn's disease and ulcerative colitis
Erik Oudman, Jan W. Wijnia, Misha J. Oey, Mirjam van Dam, Albert Postma
Nutrition.2021; 86: 111182. CrossRef
Stability of high-dose thiamine in parenteral nutrition for treatment of patients with Wernicke's encephalopathy
Maciej Stawny, Aleksandra Gostyńska, Rafał Olijarczyk, Anna Jelińska, Magdalena Ogrodowczyk
Clinical Nutrition.2020; 39(9): 2929. CrossRef
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Kompal Jain, Jasveer Singh, Anant Jain, Tanvi Khera
A&A Practice.2020; 14(8): e01230. CrossRef
Vitamin D deficiency is associated with disease activity in patients with Crohn’s disease
Kyoung Ho Ko, You Sun Kim, Bo Kyung Lee, Jong Hyun Choi, Yong Moon Woo, Jin Young Kim, Jeong Seop Moon
Intestinal Research.2019; 17(1): 70. CrossRef
A Case of Iatrogenic Wernicke Encephalopathy Following Prolonged Total Parenteral Nutrition
Mustafa ÇETİNER, Sibel Canbaz Kabay, Özgül Ocak, Selahattin Ayas
Mustafa Kemal Üniversitesi Tıp Dergisi.2018; 9(34): 99. CrossRef
Metronidazole-induced encephalopathy in a patient with Crohn's disease
Jihye Kim, Jaeyoung Chun, Jae Yong Park, Seung Wook Hong, Joo Young Lee, Jin Woo Kang, Seongjun Hwang, Sang-Bae Ko, Jong Pil Im, Joo Sung Kim
Intestinal Research.2017; 15(1): 124. CrossRef
Vitamins and Minerals in Inflammatory Bowel Disease
Fayez K. Ghishan, Pawel R. Kiela
Gastroenterology Clinics of North America.2017; 46(4): 797. CrossRef
A case report: Non-alcoholic Wernicke encephalopathy associated with polyneuropathy
Hudong Liang, Lan Wu, Ling-ling Liu, Jinming Han, Jie Zhu, Tao Jin
Journal of International Medical Research.2017; 45(6): 1794. CrossRef
Micronutrient deficiencies in inflammatory bowel disease: trivial or crucial?
Soon Man Yoon
Intestinal Research.2016; 14(2): 109. CrossRef

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Original Article

Is Colonoscopy Necessary after Computed Tomography Diagnosis of Acute Diverticulitis?: Min Jung Kim, Young Sik Woo, Eun Ran Kim, Sung Noh Hong, Dong Kyung Chang, Poong-Lyul Rhee, Jae J. Kim, Soon Jin Lee, Young-Ho Kim; Intest Res 2014;12(3):221-228. Published online July 25, 2014; DOI: https://doi.org/10.5217/ir.2014.12.3.221

Abstract PDF PubReader ePub

Background/Aims

A diagnosis of acute diverticulitis is based on computed tomography (CT). Colonoscopy is commonly performed after the acute event to exclude other diagnoses. This study aimed to determine whether colonoscopy is necessary and what additional information is gained from a colonoscopy after acute diverticulitis.

Methods

Acute diverticulitis was diagnosed by clinical criteria and characteristic CT findings. We analyzed the number of patients in whom colorectal cancers were diagnosed and other incidental findings of polyps and other diseases.

Results

A total of 177 patients were analyzed retrospectively. The mean age was 43.3±15.3 years (range, 13-82 years) and 97 patients (54.8%) were male. Sixty-one patients had undergone a colonoscopy within 1 year of the acute attack. Advanced adenomatous lesions and colonic malignancy were not detected. Nineteen patients (31.1%) had ≥1 polyp and 11 patients (18.0%) had an adenomatous polyp. No new or different diagnosis was made after colonoscopy. None of the 116 patients who did not undergo colonoscopy within a year after acute diverticulitis had a diagnosis of colorectal cancer registered with the Korea Central Cancer Registry.

Conclusions

Routine colonoscopy yields little benefit in patients with acute diverticulitis diagnosed by typical clinical symptoms and CT. The current practice of a colonoscopy after acute diverticulitis needs to be reevaluated.

Citations

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Endoscopic findings after CT proven acute diverticulitis: a systematic review and meta‐analysis
Amy Millicent Yesheng Cao, Vincent Wai Lam, Matthew John Francis Xavier Rickard
ANZ Journal of Surgery.2023; 93(5): 1150. CrossRef
Infection or Inflammation: Are Uncomplicated Acute Appendicitis, Acute Cholecystitis, and Acute Diverticulitis Infectious Diseases?
Philip S. Barie, Lillian S. Kao, Mikayla Moody, Robert G. Sawyer
Surgical Infections.2023; 24(2): 99. CrossRef
Risk for colorectal cancer after computed tomography verified acute diverticulitis: A retrospective cohort study with long-term follow-up
Leena-Mari Mäntymäki, Juha Grönroos, Markus Riskumäki, Tero Vahlberg, Jukka Karvonen
Scandinavian Journal of Surgery.2023; 112(3): 157. CrossRef
Diagnosis and management of acute colonic diverticulitis: results of a survey among Korean gastroenterologists
Jae Gon Lee, Yong Eun Park, Ji Young Chang, Hyun Joo Song, Duk Hwan Kim, Young Joo Yang, Byung Chang Kim, Shin Hee Lee, Myung-Won You, Seong-Eun Kim
The Korean Journal of Internal Medicine.2023; 38(5): 672. CrossRef
Comparative outcomes of acute colonic diverticulitis in immunocompromised versus immunocompetent patients: a systematic review and meta-analysis
Jae Gon Lee, Yong Eun Park, Ji Young Chang, Hyun Joo Song, Duk Hwan Kim, Young Joo Yang, Byung Chang Kim, Shin Hee Lee, Myung-Won You, Seong-Eun Kim
Intestinal Research.2023; 21(4): 481. CrossRef
Diagnosis and Treatment of Colonic Diverticular Disease
You Sun Kim
The Korean Journal of Gastroenterology.2022; 79(6): 233. CrossRef
Diverticulitis does not increase the long-term risk of developing colon cancer: a systematic review and meta-analysis
Laura Quitzau Mortensen, Jens Buciek, Kristoffer Andresen, Jacob Rosenberg
International Journal of Colorectal Disease.2022; 37(9): 1945. CrossRef
Acute complicated diverticulitis is associated with an increased advanced neoplasia diagnosis rate
Fadi Abu Baker, Mohanad Ganayem, Amir Mari, Randa Taher, Mohamad Suki, Yael Kopelman
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Systematic Review and Meta-analysis on Colorectal Cancer Findings on Colonic Evaluation After CT-Confirmed Acute Diverticulitis
Chee Hoe Koo, Jasmine H.E. Chang, Nicholas L. Syn, Ian J.Y. Wee, Ronnie Mathew
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Risk of Colorectal Cancer in Patients With Acute Diverticulitis: A Systematic Review and Meta-analysis of Observational Studies
Jeremy Meyer, Lorenzo A. Orci, Christophe Combescure, Alexandre Balaphas, Philippe Morel, Nicolas C. Buchs, Frédéric Ris
Clinical Gastroenterology and Hepatology.2019; 17(8): 1448. CrossRef
What radiologists should know about tomographic evaluation of acute diverticulitis of the colon
Aline de Araújo Naves, Giuseppe D'Ippolito, Luis Ronan Marquez Ferreira Souza, Sílvia Portela Borges, Glênio Moraes Fernandes
Radiologia Brasileira.2017; 50(2): 126. CrossRef
High Probability of an Underlying Colorectal Cancer Among Patients Treated for Acute Diverticulitis. A Population‐Based Cohort Follow‐Up Study
Carl Johan Grahnat, Sebastian Hérard, Annicka Ackzell, Roland E. Andersson
World Journal of Surgery.2016; 40(9): 2283. CrossRef
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Avery S. Walker, Jason R. Bingham, Karmon M. Janssen, Eric K. Johnson, Justin A. Maykel, Omar Ocampo, John P. Gonzalez, Scott R. Steele
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Editorial

A High Risk Group in the Modified National Institutes of Health Consensus Criteria for the Gastrointestinal Stromal Tumor: A Clear Indication of the Adjuvant Imatinib: Dong Kyung Chang; Intest Res 2014;12(3):176-177. Published online July 25, 2014; DOI: https://doi.org/10.5217/ir.2014.12.3.176

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Reviews

Hospital Malnutrition: Dong Kyung Chang; Intest Res 2013;11(4):238-242. Published online October 30, 2013; DOI: https://doi.org/10.5217/ir.2013.11.4.238

Abstract PDF

According to worldwide studies, the prevalence of malnutrition among hospitalized patients has been reported to be about 15% to 60%. Hospital malnutrition is related to a high incidence of morbidity and mortality. It is often associated with impaired immunity, a high risk of infectious complications, delayed wound healing after surgery. Complications caused by hospital malnutrition consequently increase the length of hospital stay and total medical costs. It also affects the cost of rehabilitation and other individual and social health care costs. The prevalence of hospital malnutrition has encouraged nutritional support teams to become an integral part of the health care system to improve patient outcome. Collaboration between doctors, dieticians, pharmacists, and nurses specialized in nutrition are therefore vital to this initiative. (Intest Res 2013;11:238-242)

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Nutritional Status of Intensive Care Unit Patients According to the Referral to the Nutrition Support Team and Compliance with the Recommendations
Yunjin Sohn, Taisun Hyun
Korean Journal of Community Nutrition.2022; 27(2): 121. CrossRef
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Seong-Eun Kim
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Dong Kyung Chang, Geun Am Song
The Korean Journal of Gastroenterology.2015; 65(6): 333. CrossRef
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Variable Clinical Classifications and Diagnostic Coding Systems of Colorectal Neuroendocrine Tumor: Byung Chang Kim, Cheol Hee Park, Tae Il Kim, Suck-Ho Lee, Jin-Oh Kim, Hyun Soo Kim, Dong-Hoon Yang, Bora Keum, Sung Pil Hong, Seong-Eun Kim, Hyun Gun Kim, Jeong Eun Shin, Jae Myung Cha, Young Eun Joo, Dong Il Park, Hwang Choi, Kyu Chan Huh, Seung-Jae Myung, Dong Kyung Chang, Seun Ja Park; Intest Res 2013;11(1):14-22. Published online January 31, 2013; DOI: https://doi.org/10.5217/ir.2013.11.1.14

Abstract PDF

The incidence of colorectal carcinoid tumor is recently increasing as screening colonoscopy increased. Traditional carcinoid tumor had been known as low grade, malignant neuroendocrine cell orign tumor. In 2000, World Health Organization (WHO) suggested that carcinoid was called well-differentiated neuroendocrine tumor (NET). It recently updated in 2010 by WHO; according to the differentiation and malignant potential, NET classified with NET Grade 1, Grade 2, and neuroendocrine carcinoma. They suggested that NET had malignant potential in accordance with histopathologic characteristics. Therefore, WHO recommended the behavior code of NET as malignant. However, European Neuroendocrine Tumor Society (ENETS) proposed the behavior of NET to four grades based on the histopathologic features; benign, benign or low grade malignant, low grade malignant, and high grade malignant. Also, American Joint Committee on Cancer (AJCC) suggested that topography codes of NET were defined as malignant. Korean Standard Classification of Diseases (KCD) described the different codings of carcinoid (NET). The discrepancies of behavior code or coding system exist among WHO, ENETS, AJCC and KCD. Also, there were differences in the perception for topographic coding system between clinicians and pathologists. NETs of colorectum were reported with the variable clinical characteristics (especially, metastasis) and long term prognosis from many studies. Especially, risk of metastasis and long term prognosis of small sized NET (<1 cm) had some discrepancies and should be investigated prospectively. Therefore, the consensus about topographic codes of NET should be needed with multidisplinary approach among gastroenterologists, pathologists and surgeons. (Intest Res 2013;11:14-22)

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Efficacy of Precut Endoscopic Mucosal Resection for Treatment of Rectal Neuroendocrine Tumors
Hoonsub So, Su Hyun Yoo, Seungbong Han, Gwang-un Kim, Myeongsook Seo, Sung Wook Hwang, Dong-Hoon Yang, Jeong-Sik Byeon
Clinical Endoscopy.2017; 50(6): 585. CrossRef
Diagnostic Coding for Intramucosal Carcinoma and Neuroendocrine Tumor in the Colorectum: Proposal for Avoiding Confusing Coding in Korea
Dong Soo Han, Jin Hee Sohn, Jeong-Sik Byeon, Hwang Choi, Joon Mee Kim
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Clinical Classification of Colorectal Epithelial Tumors and Proposal for Diagnostic Coding: Hyun Gun Kim, Jin-Oh Kim, Suck-Ho Lee, Chang Kyun Lee, Hyun Soo Kim, Hwang Choi, Dong-Hoon Yang, Bora Keum, Sung Pil Hong, Seong-Eun Kim, Byung Chang Kim, Jeong Eun Shin, Cheol Hee Park, Chang Soo Eun, Tae Il Kim, Dong Il Park, Kyu Chan Huh, Dong Kyung Chang, Seun Ja Park; Intest Res 2011;9(1):1-11. Published online April 30, 2011; DOI: https://doi.org/10.5217/ir.2011.9.1.1

Abstract PDF

The Korean Standard Classification of Diseases (KCD), which reflects the International Classification of Diseases (ICD), is a fundamental coding system for the diagnosis of colorectal epithelial tumors. The KCD coding of colorectal lesions is entirely up to the clinician and is based on pathologic reports. However, coding discrepancies have arisen among physicians using the KCD and pathologists using the ICD for Oncology-3 (ICD-O-3). The Korean Society of Pathologists recently proposed a standardized pathology-reporting format and guidelines for the coding of colorectal cancer to decrease these discrepancies among pathologists. However, ICD and ICD-O are simple classification codes based on pathologic reports, and are neither intended nor suitable for indexing of distinct clinical entities. For appropriate diagnostic coding using the KCD, a corrected coding principle based upon pathologic reports is required, and unified coding between KCD and ICD-O is necessary. A standardized pathologic report format and communication with understanding between physicians and pathologists should be established. Additionally, the private medical insurance system for colorectal cancer should be revised to reduce conflicts among patients, clinicians, and insurance companies over the medical coding system. (Intest Res 2011;9: 2-11)

Citations

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Diagnostic Coding for Intramucosal Carcinoma and Neuroendocrine Tumor in the Colorectum: Proposal for Avoiding Confusing Coding in Korea
Dong Soo Han, Jin Hee Sohn, Jeong-Sik Byeon, Hwang Choi, Joon Mee Kim
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Diminutive and Small Colorectal Polyps: The Pathologist's Perspective
Yun Kyung Kang
Clinical Endoscopy.2014; 47(5): 404. CrossRef
Early Colorectal Epithelial Neoplasm in Korea: A Multicenter Survey of Pathologic Diagnosis
Yun Kyung Kang, So-Young Jin, Mee Soo Chang, Jung Yeon Kim, Gyeong Hoon Kang, Hye Seung Lee, Jin Hee Sohn, Ho Sung Park, Kye Won Kwon, Mi Jin Gu, Young Hee Maeng, Jong Eun Joo, Haeng Ji Kang, Hee Kyung Kim, Kee-Taek Jang, Mi Ja Lee, Hee Kyung Chang, Joon
Korean Journal of Pathology.2013; 47(3): 245. CrossRef
Update on the Proposal for Creating a Guideline for Cancer Registration of the Gastrointestinal Tumors (I-2)
Eun Sun Jung, Yun Kyung Kang, Mee-Yon Cho, Joon Mee Kim, Won Ae Lee, Hee Eun Lee, Sunhoo Park, Jin Hee Sohn, So-Young Jin
Korean Journal of Pathology.2012; 46(5): 443. CrossRef

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Original Articles

Comparison of Bowel Preparation Depending on Completion Time of Polyethylene Glycol Ingestion and Start Time of Colonoscopy: Jang Hyuk Yoon, Dong Il Park, Jeong Eun Shin, Seong Eun Kim, Sung Ae Jung, Suck Ho Lee, Dong Kyung Chang, Chang Soo Eun, Dong Soo Han, Hyun Soo Kim, Seun Ja Park, Il Hyun Baek, Bora Keum, Yoon Tae Jeen; Intest Res 2010;8(1):24-29. Published online June 30, 2010; DOI: https://doi.org/10.5217/ir.2010.8.1.24

Abstract PDF

Background/Aims
Polyethylene glycol (PEG) solution is the most widely used bowel preparation agent for colonoscopy because of its safety and efficacy in colon cleansing. It has been hypothesized that the timing of colon preparation may influence the quality of colon cleansing, and therefore affect the diagnostic yield of colonoscopy. The aim of this study was to determine the optimal interval of time between complete ingestion of PEG and performing colonoscopy. Methods: We prospectively enrolled 1,355 patients who had undergone a PEG-based bowel preparation on the day of colonoscopy in 11 tertiary hospitals in Korea between March 2008 and February 2009. All colonoscopies were performed in the afternoon. The start time of PEG ingestion, completion time of PEG ingestion, dose of PEG ingested, start time of colonoscopy, and the quality of bowel cleansing were recorded. Results: There was no difference of cleansing quality of bowel preparation between three groups of less than 7 hours of elapsed time (2≤ and <3 hours, 3≤ and <5 hours, 5≤ and <7 hours). However, group of more than 7 hours of elapsed time presented poor cleansing quality than others (P<0.01). Conclusions: If >7 hours elapses after ingestion of PEG, the quality of bowel preparation is poor. Therefore, depending on the time colonoscopy is scheduled, the start time of PEG ingestion may need to be adjusted. (Intest Res 2010;8:24-29)

Citations

Citations to this article as recorded by

The optimal bowel preparation intervals before colonoscopy: A randomized study comparing polyethylene glycol and low-volume solutions
Vladimir Kojecky, Jan Matous, Radan Keil, Milan Dastych, Zdena Zadorova, Michal Varga, Radek Kroupa, Jiri Dolina, Miroslav Misurec, Ales Hep, Martin Griva
Digestive and Liver Disease.2018; 50(3): 271. CrossRef
Comparative Study on Bowel Preparation Efficacy of Ascorbic Acid Containing Polyethylene Glycol by Adding Either Simethicone or 1 L of Water in Health Medical Examination Patients: A Prospective Randomized Controlled Study
Se Hwan Yeo, Jae Hoon Kwak, Yeo Un Kim, Tae Ho Kwon, Jeong Bae Park, Jun Hyung Park, Yong Kook Lee, Yun Jeong Lim, Chang Heon Yang
The Korean Journal of Gastroenterology.2016; 67(4): 189. CrossRef
Randomized Controlled Trial of Sodium Phosphate Tablets versus 2 L Polyethylene Glycol Solution for Bowel Cleansing prior to Colonoscopy
Yun Ho Lee, Seong Yeon Jeong, You Sun Kim, Hye Jin Jung, Min Jung Kwon, Cheol Hun Kwak, Song I Bae, Jeong Seop Moon, Ji Won Kim, Su Hwan Kim, Kook Lae Lee
The Korean Journal of Gastroenterology.2015; 65(1): 27. CrossRef
Importance of the Time Interval between Bowel Preparation and Colonoscopy in Determining the Quality of Bowel Preparation for Full-Dose Polyethylene Glycol Preparation
Tae Kyung Kim, Hyung Wook Kim, Su Jin Kim, Jong Kun Ha, Hyung Ha Jang, Young Mi Hong, Su Bum Park, Cheol Woong Choi, Dae Hwan Kang
Gut and Liver.2014; 8(6): 625. CrossRef
A Comparison of 2 L of Polyethylene Glycol and 45 mL of Sodium Phosphate versus 4 L of Polyethylene Glycol for Bowel Cleansing: A Prospective Randomized Trial
Suh Eun Bae, Kyung-Jo Kim, Jun Bum Eum, Dong Hoon Yang, Byong Duk Ye, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang, Jin-Ho Kim
Gut and Liver.2013; 7(4): 423. CrossRef
A Clear Liquid Diet Is Not Mandatory for Polyethylene Glycol-Based Bowel Preparation for Afternoon Colonoscopy in Healthy Outpatients
Yoon Suk Jung, Hyo Sun Seok, Dong Il Park, Chang Seok Song, Seong Eun Kim, Suck Ho Lee, Chang Soo Eun, Dong Soo Han, Yong Soo Kim, Chang Kyun Lee
Gut and Liver.2013; 7(6): 681. CrossRef
Comparison of Bowel Preparation Quality between Clear-liquid Diet and No Diet Restriction
Woo Shin Jeong, Dong Il Park, Hyo Sun Seok, Seong Eun Kim, Suck-Ho Lee, Chang Kyun Lee, Chang Soo Eun, Dong Soo Han
Intestinal Research.2012; 10(3): 272. CrossRef
Comparison among Conventional 4 L Polyethylene Glycol, Split Method of 4 L Polyethylene Glycol and Combination of 2 L Polyethylene Glycol and Sodium Phosphate Solution for Colonoscopy Preparation
So Young Jo, Nayoung Kim, Jung Won Lee, Ji Hwan Lim, Chiun Choi, Ilyoung Chon, Ho Kil, Bo Young Min, Young Sang Byoun, Ban Seok Lee, Sang Eon Jang, Hyun Kyung Park, Hyun Jin Jo, Cheol Min Shin, Sang Hyup Lee, Young Soo Park, Jin-Hyeok Hwang, Jin-Wook Kim,
The Korean Journal of Gastroenterology.2012; 59(6): 414. CrossRef

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Factors Affecting the Efficacy of Tegaserod in Patients with Chronic Constipation: Hwang Choi, Sang Heon Yoon, Won Chul Lee, Joo Sung Kim, Dong Kyung Chang, Yoon Tae Jeen, Jin Oh Kim, Dong Soo Han, Hyo Jong Kim, Sang Yong Seol, Won Ho Kim, Suk Kyun Yang, Jin Ho Kim; Intest Res 2007;5(2):170-176. Published online December 30, 2007

Abstract PDF: Background/Aims
The effect of tegaserod has been found to differ for Caucasian and black patients. The aims of this study were to demonstrate the efficacy of tegaserod on bowel habits and to investigate the factors affecting the efficacy of tegaserod in Korean patients suffering from chronic constipation (CC). Methods: This was an open-label, multi-center, observational study. Analysis of covariance with repeated measures was used to determine the overall effect of treatment and was used to determine the changes in the number of complete spontaneous bowel movements (CSBM) from baseline during the 8-week treatment period. Demographic and baseline characteristics were compared between responders (3 or more CSBM at 8-weeks) and non-responders by the use of multivariate analysis. Results: A total of 1,798 patients were included in the study. Tegaserod treatment resulted in a significant increase in the mean number of CSBM per week over weeks 2-8 from baseline levels (from 1.0 to 3.1 CSBM per week, p＜0.0001). Tegaserod treatment was more effective for female patients, younger patients (age less than 65 years), patients with a high Bristol score at baseline, and patients with a short duration of constipation symptoms. Conclusions: Treatment with tegaserod improved bowel movements and more effective in female patients, patients under the age of 65 years, patients with a high Bristol score at baseline, and patients with a short duration of constipation symptoms. (Intest Res 2007;5:170-176)

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The Effectiveness of Audiovisual Aids Education in Preparing Patients for Colonoscopy: Byung Hoon Min, Dong Kyung Chang, Young Ho Kim, Poong-Lyul Rhee, Jae J. Kim, Jong Chul Rhee; Published online June 30, 2007

Abstract PDF: Background/Aims
The purpose of this study is to investigate how effectively audiovisual aids education can improve patients' bowel preparation and their satisfaction during colonoscopic examination. Methods: The control group consisted of 116 patients and the experimental group consisted of 109 patients. The control group was given the existing test guidebooks and the experimental group was offered audiovisual aids education immediately before the test. After the test, the patients assessed. Results: In regard to the organization and consistency of colonoscopic education, the experimental group showed a statistically significant score (p=0.000). In regard to satisfaction with the colonoscopy, the average score of the control group was 7.50⁑2.02, while that of the experimental group was 8.63⁑1.76 (p=0.000). In regard to bowel preparation, the experimental group showed a statistically meaningful score compared to that of the control group (p=0.002). In terms of examination time comparison, the experimental group returned a statistically meaningful score (p=0.005). In regard to the nurses' task satisfaction, according to the information offered, the experimental group showed a statistically significant score (8.47⁑1.32) compared to the control group (6.49⁑2.23)(p=0.000). Conclusions: The audiovisual aids education enhanced the patients' satisfaction. Therefore these aids are worth incorporating within nursing methods. (Intest Res 2007;5:52-59)

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Case Report

A Case of C1 Esterase Inhibitor Deficiency Presenting as Recurrent Abdominal Pain and Ascites: Byung Hoon Min, Dong Kyung Chang, Young Ho Kim, Poong-Lyul Rhee, Jae J. Kim, Jong Chul Rhee; Published online June 30, 2007

Abstract PDF: C1 esterase inhibitor deficiency is a disorder resulting from a qualitative or functional defect of the C1 esterase inhibitor. It is characterized by recurrent episodes of subcutaneous and submucosal swellings in any part of the skin and the respiratory and gastrointestinal tracts. Gastrointestinal symptoms such as abdominal pain are the dominant symptoms in about 25% of cases and sometimes make this condition misunderstood as surgical emergency, especially when ascites is accompanied. We experienced a case of C1 esterase inhibitor deficiency in a 35-year-old woman presenting with recurrent abdominal pain, ascites, and lower extremities edema. Her symptoms first occurred 8 years ago, and used to spontaneously resolve within 3 days. In laboratory finding, serum C4 and serum C1 esterase inhibitor showed reduced level of 3.2 mg/dL and 5 mg/dL, respectively. After treatment with danazol and tranexamic acid, no more recurrence of symptoms was observed during 2 months of follow-up period. (Intest Res 2007;5:73-76)

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Review

Trends in Colitic Cancer in Korea: Dong Kyung Chang; Intest Res 2006;4(2):79-82. Published online December 30, 2006

Abstract PDF: Ulcerative colitis is one of the important risk factor for colorectal cancer. The incidence of colitic cancer is proportioned to the duration of patient's having ulcerative colitis. Patients with ulcerative colitis have been steeply increasing in Korea since mid-1980. Therefore, it is reasonable to presume patients with colitic cancer to begin to appear in earnest in Korea. Korean Association for the Study of Intestinal Diseases (KASID) performed a nation-wide survey on July to September in 2005 to obtain a whole picture about the current status of colitic cancer in Korea. This review summarises the data and suggests of the need of regular surveillance strategy to detect colitic cancer at an early stage. (Intestinal Research 2006;4:79-82)

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Case Report

A Case of Mesenteric Vasculitis Induced by Norpal Cactus Extract: Jung Su Ha, Dong Kyung Chang, Jun Haeng Lee, Young Ho Kim, Hee Jung Son, Poong Lyul Rhee, Jae J. Kim, Seung Woon Paik, Jong Chul Rhee; Intest Res 2005;3(1):85-88. Published online June 30, 2005

Abstract PDF: Herbs are inadvertently regarded safe and harmless because of their natural origin and the experience of long-term use as a folk medicine. However, some herbal medicines are associated with toxicities in the organs such as liver, kidney, skin, or heart. Norpal cactus extract is a kind of herbs which is used for ordinary food in Mexico, and has effects on hypergylcemia and hypercholesterolemia, and inflammation. There has been no particular reports of drug-induced vasculitis by herbal medicine. Here, we present a case of vasculitis that was initially manifestated as acute diarrhea and abdominal pain after ingestion of Norpal cactus extract. (Intest Res 2005;3:85-89)

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