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Colorectal cancer

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25 papers 0 to 25 followers
Moriah Wright, Jenifer S Beaty, Charles A Ternent
Colorectal cancers develop through at least 3 major pathways, including chromosomal instability, mismatch repair, and methylator phenotype. These pathways can coexist in a single individual and occur in both sporadic and inherited colorectal cancers. In spite of the unique molecular and genetic signatures of colorectal cancers, nonspecific chemotherapy based on the antineoplastic effects of 5-fluorouracil is the cornerstone of therapy for stage III and some stage II disease. Techniques to recognize colorectal cancer at the molecular level have facilitated development of new signature drugs designed to inhibit the unique pathways of colorectal cancer growth and immunity...
June 2017: Surgical Clinics of North America
Taishi Hata, Hidekazu Takahashi, Daisuke Sakai, Naotsugu Haraguchi, Junichi Nishimura, Toshihiro Kudo, Matsuda Chu, Ichiro Takemasa, Satoh Taroh, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori
PURPOSE: This retrospective study investigates the safety of neoadjuvant chemotherapy with oxaliplatin capecitabine (CapeOx), followed by laparoscopic surgery, for lower rectal cancer, and its efficacy in preserving the sphincter. METHODS: Ten patients with diagnosed lower rectal cancer received three or four cycles of neoadjuvant CapeOx chemotherapy, prior to undergoing low anterior resection or intersphincteric resection, with total mesorectal excision. The primary outcomes were R0 resection and the rate of sphincter preservation...
November 2017: Surgery Today
M C Arroyave, F B DeLacy, A M Lacy
Interest in transanal total mesorectal excision (TaTME) is growing worldwide due to the application of minimally invasive techniques to rectal cancer surgery while maintaining adequate oncologic outcomes. This article presents the standardised and refined technique after performing more than 300 operations at Hospital Clinic of Barcelona.
February 2017: European Journal of Surgical Oncology
Julio Flavio Fiore, Tanya Castelino, Nicolò Pecorelli, Petru Niculiseanu, Saba Balvardi, Olivia Hershorn, Sender Liberman, Patrick Charlebois, Barry Stein, Franco Carli, Nancy E Mayo, Liane S Feldman
OBJECTIVE: To estimate the extent to which the addition of staff-directed facilitation of early mobilization to an Enhanced Recovery Program (ERP) impacts recovery after colorectal surgery, compared with usual care. SUMMARY BACKGROUND DATA: Early mobilization is considered an important component of ERPs but, despite guidelines recommendations, adherence remains quite low. The value of dedicating specific resources (eg, staff time) to increase early mobilization is unknown...
August 2017: Annals of Surgery
Manish Bhandare, Prachi Patil, Vishwas Pai, Rahul Bhamre, Reena Engineer, Vikas Ostwal, Avanish Saklani
BACKGROUND: Peritoneal carcinomatosis (PC) from colorectal cancers (CRC) either at initial presentation or at subsequent recurrence presents a significant treatment challenge. The aim of our study was to find its incidence and analyze outcomes of patients with PC from CRC origin managed by different treatment modalities. PATIENTS AND METHODS: A retrospective analysis of patients, from August 2013 to July 2014, presenting with metastatic peritoneal disease from CRC with or without metastasis to other sites was performed...
June 2017: Clinical Colorectal Cancer
I S Reynolds, M H Majeed, I Soric, M Whelan, J Deasy, D A McNamara
BACKGROUND/AIMS: An increasing number of colon and rectal tumours are being resected using laparoscopic techniques. Identifying these tumours intraoperatively can be difficult. The use of tattooing can facilitate an easier resection; however, the lack of standardised guidelines can potentially lead to errors intraoperatively and potentially result in worse outcomes for patients. The aim of this study was to identify the most reliable method of preoperative tumour localisation from the available literature to date...
February 2017: Irish Journal of Medical Science
E Van Cutsem, A Cervantes, R Adam, A Sobrero, J H Van Krieken, D Aderka, E Aranda Aguilar, A Bardelli, A Benson, G Bodoky, F Ciardiello, A D'Hoore, E Diaz-Rubio, J-Y Douillard, M Ducreux, A Falcone, A Grothey, T Gruenberger, K Haustermans, V Heinemann, P Hoff, C-H Köhne, R Labianca, P Laurent-Puig, B Ma, T Maughan, K Muro, N Normanno, P Österlund, W J G Oyen, D Papamichael, G Pentheroudakis, P Pfeiffer, T J Price, C Punt, J Ricke, A Roth, R Salazar, W Scheithauer, H J Schmoll, J Tabernero, J Taïeb, S Tejpar, H Wasan, T Yoshino, A Zaanan, D Arnold
Colorectal cancer (CRC) is one of the most common malignancies in Western countries. Over the last 20 years, and the last decade in particular, the clinical outcome for patients with metastatic CRC (mCRC) has improved greatly due not only to an increase in the number of patients being referred for and undergoing surgical resection of their localised metastatic disease but also to a more strategic approach to the delivery of systemic therapy and an expansion in the use of ablative techniques. This reflects the increase in the number of patients that are being managed within a multidisciplinary team environment and specialist cancer centres, and the emergence over the same time period not only of improved imaging techniques but also prognostic and predictive molecular markers...
August 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
Tadanobu Shimura, Yuji Toiyama, Junichiro Hiro, Hiroki Imaoka, Hiroyuki Fujikawa, Minako Kobayashi, Masaki Ohi, Yasuhiro Inoue, Yasuhiko Mohri, Masato Kusunoki
BACKGROUND: Preoperative hypoalbuminemia is a well-known risk factor for anastomotic leakage after colorectal surgery, but the association between perioperative albumin level and anastomotic leakage has not been fully investigated in curative colorectal cancer (CRC) patients. METHODS: In total, 200 CRC patients (Stage I-III) undergoing curative laparoscopic surgery between January 2004 and December 2013 were enrolled in this study. We collected data on surgical factors, perioperative levels of serum albumin and inflammatory markers, and perioperative factors affecting hypoalbuminemia from 196 CRC patients to assess the relation to anastomotic leakage...
January 2018: Asian Journal of Surgery
David F Ransohoff, Harold C Sox
No abstract text is available yet for this article.
June 21, 2016: JAMA: the Journal of the American Medical Association
A J M Rombouts, N Hugen, M A G Elferink, I D Nagtegaal, J H W de Wilt
BACKGROUND: Neoadjuvant chemoradiation therapy (CRT) has been widely implemented in the treatment of rectal cancer patients, but optimal timing of surgery after neoadjuvant therapy is unclear. The purpose of this study was to evaluate the effects of prolonged intervals between long-course CRT and surgery in rectal cancer patients. METHODS: Data on all rectal cancer patients diagnosed between 2006 and 2011 were retrieved from the population-based Netherlands Cancer Registry; the main outcome parameters were pathologic complete response (pCR) and overall survival (OS)...
October 2016: Annals of Surgical Oncology
Kazuhito Sato, Toshiaki Tanaka, Jiro Sato, Eisuke Shibata, Yuzo Nagai, Koji Murono, Koji Yasuda, Kensuke Otani, Takeshi Nishikawa, Junichiro Tanaka, Tomomichi Kiyomatsu, Keisuke Hata, Kazushige Kawai, Hiroaki Nozawa, Shinsuke Kazama, Hironori Yamaguchi, Soichiro Ishihara, Eiji Sunami, Joji Kitayama, Kuni Ohtomo, Toshiaki Watanabe
BACKGROUND: Computed tomographic colonography (CTC) is reported to be feasible for screening of colorectal polyps; however, its efficacy in preoperative workup remains unknown. This study was done to define our CTC methodology and assess CTC's potential for preoperative examination in patients with colon cancer. METHODS: A total of 86 colon cancer patients underwent CTC prior to laparoscopic colectomy in our department from February 2014 to November 2015. The location of primary colon cancer determined by CTC was compared with that confirmed during the surgery...
November 2017: Asian Journal of Surgery
Laura Q Mortensen, Jakob Burcharth, Kristoffer Andresen, Hans-Christian Pommergaard, Jacob Rosenberg
OBJECTIVE: To investigate the association between diverticulitis and colon cancer in a large, nationwide cohort study. BACKGROUND: Diverticulitis is a common disease, especially in the Western world. Previous articles have investigated the association between diverticulitis and colon cancer with inconclusive results. METHODS: We conducted a population-based cohort study based on longitudinal Danish national registers with data from the period 1995 to 2012...
May 2017: Annals of Surgery
Xiaoyu Zeng, Lin Liu, Mengzhu Zheng, Huimin Sun, Juanjuan Xiao, Tao Lu, Guangqian Huang, Pianpian Chen, Jianmin Zhang, Feng Zhu, Hua Li, Qiuhong Duan
T-cell-originated protein kinase (TOPK) is highly expressed in several cancer cells and promotes tumorigenesis and progression, and therefore, it is an important target for drug treatment of tumor. Pantoprazole (PPZ) was identified to be a TOPK inhibitor from FDA-approved drug database by structure based virtual ligand screening. Herein, the data indicated that pantoprazole inhibited TOPK activities by directly binding with TOPK in vitro and in vivo. Ex vivo studies showed that pantoprazole inhibited TOPK activities in JB6 Cl41 cells and HCT 116 colorectal cancer cells...
April 19, 2016: Oncotarget
Harindra Jayasekara, Jeanette C Reece, Daniel D Buchanan, Christophe Rosty, S Ghazaleh Dashti, Driss Ait Ouakrim, Ingrid M Winship, Finlay A Macrae, Alex Boussioutas, Graham G Giles, Dennis J Ahnen, Jan Lowery, Graham Casey, Robert W Haile, Steven Gallinger, Loic Le Marchand, Polly A Newcomb, Noralane M Lindor, John L Hopper, Susan Parry, Mark A Jenkins, Aung Ko Win
Individuals diagnosed with colorectal cancer (CRC) are at risk of developing a metachronous CRC. We examined the associations between personal, tumour-related and lifestyle risk factors, and risk of metachronous CRC. A total of 7,863 participants with incident colon or rectal cancer who were recruited in the USA, Canada and Australia to the Colon Cancer Family Registry during 1997-2012, except those identified as high-risk, for example, Lynch syndrome, were followed up approximately every 5 years. We estimated the risk of metachronous CRC, defined as the first new primary CRC following an interval of at least one year after the initial CRC diagnosis...
September 1, 2016: International Journal of Cancer. Journal International du Cancer
Marjolein M J Zanders, Myrthe P P van Herk-Sukel, Ron M C Herings, Lonneke V van de Poll-Franse, Harm R Haak
AIMS: This study aims to evaluate the impact of cancer and its treatment on HbA1c values among individuals with colorectal cancer (CRC) using glucose-lowering drugs (GLDs). METHODS: Patients with primary CRC (1998-2011) were selected from the Eindhoven Cancer Registry and linked to the PHARMO Database Network including outpatient pharmacy and clinical laboratory data. Patients with more than 2 years of GLDs use prior to cancer diagnosis were included. Linear mixed-effects models were conducted to evaluate changes in HbA1c for colon cancer (CC) and rectal cancer (RC) patients in the 4 years around CRC diagnosis...
October 2016: Acta Diabetologica
Yuji Miyamoto, Toru Beppu, Yasuo Sakamoto, Katsunori Imai, Hiromitsu Hayashi, Hidetoshi Nitta, Takatoshi Ishiko, Masayuki Watanabe, Hideo Baba
BACKGROUND/AIMS: Laparoscopic approaches are increasingly used in selected patients with either colorectal or liver disease. The aim of this study was to evaluate the safety and feasibility of laparoscopy-assisted combined colorectal and liver resection for primary colorectal cancer (CRC) with synchronous liver metastases. METHODOLOGY: Thirteen patients with CRC with synchronous liver metastases who underwent simultaneous laparoscopic colectomy and hepatic resection from January 2009 through July 2013 were evaluated...
June 2015: Hepato-gastroenterology
Han-Mo Chiu, Jessica Y L Ching, Kai Chun Wu, Rungsun Rerknimitr, Jingnan Li, Deng-Chiang Wu, Khean Lee Goh, Takahisa Matsuda, Hyun-Soo Kim, Rupert Leong, Khay Guan Yeoh, Vui Heng Chong, Jose D Sollano, Furqaan Ahmed, Jayaram Menon, Joseph J Y Sung
BACKGROUND & AIMS: Age, sex, smoking, and family history are risk factors for colorectal cancer in Asia. The Asia-Pacific Colorectal Screening (APCS) scoring system was developed to identify subjects with a high risk for advanced neoplasm (AN). We tested an algorithm that combined APCS scores with fecal immunochemical test (FIT) in colorectal cancer screening. METHODS: We performed a multicenter prospective study, enrolling asymptomatic individuals older than 40 years old in 12 Asia-Pacific regions from December 2011 to December 2013...
March 2016: Gastroenterology
Manuel Zorzi, Carlo Senore, Anna Turrin, Paola Mantellini, Carmen Beatriz Visioli, Carlo Naldoni, Priscilla Sassoli De' Bianchi, Chiara Fedato, Emanuela Anghinoni, Marco Zappa, Cesare Hassan
OBJECTIVES: To assess the appropriateness of recommendations for endoscopic surveillance in organised colorectal cancer (CRC) screening programmes based on the faecal immunochemical test (FIT). DESIGN: 74 Italian CRC screening programmes provided aggregated data on the recommendations given after FIT-positive colonoscopies in 2011 and 2013. Index colonoscopies were divided into negative/no adenoma and low- risk, intermediate-risk and high-risk adenomas. Postcolonoscopy recommendations included a return to screening (FIT after 2 years or 5 years), an endoscopic surveillance after 6 months or after 1 year, 3 years or 5 years, surgery or other...
November 2016: Gut
Shiro Oka, Shinji Tanaka, Yutaka Saito, Hiroyasu Iishi, Shin-ei Kudo, Hiroaki Ikematsu, Masahiro Igarashi, Yusuke Saitoh, Yuji Inoue, Kiyonori Kobayashi, Takashi Hisabe, Osamu Tsuruta, Yasushi Sano, Hiroo Yamano, Seiji Shimizu, Naohisa Yahagi, Toshiaki Watanabe, Hisashi Nakamura, Takahiro Fujii, Hideki Ishikawa, Kenichi Sugihara
OBJECTIVES: Conventional endoscopic resection (CER) is a widely accepted treatment for early colorectal neoplasia; however, large colorectal neoplasias remain problematic, as they necessitate piecemeal resection, increasing the risk of local recurrence. Endoscopic submucosal dissection (ESD) can improve the en bloc resection rate. This study aimed to evaluate local recurrence and its associated risk factors after endoscopic resection (ER) for colorectal neoplasias ≥20 mm. METHODS: A multicenter prospective study at 18 medium- and high-volume specialized institutions was conducted in Japan...
May 2015: American Journal of Gastroenterology
Lieke Gietelink, Daniel Henneman, Nicoline J van Leersum, Mirre de Noo, Eric Manusama, Pieter J Tanis, Rob A E M Tollenaar, Michel W J M Wouters
UNLABELLED: This population-based study evaluates the association between hospital volume and CRM (circumferential resection margin) involvement, adjusted for other confounders, in rectal cancer surgery. A low hospital volume (<20 cases/year) was independently associated with a higher risk of CRM involvement (odds ratio=1.54; 95% CI: 1.12-2.11). OBJECTIVE: To evaluate the association between hospital volume and CRM (circumferential resection margin) involvement in rectal cancer surgery...
April 2016: Annals of Surgery
2016-05-13 08:20:09
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