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https://www.readbyqxmd.com/read/29455167/pulmonary-metastasis-in-rectal-cancer-a-retrospective-study-of-clinicopathological-characteristics-of-404-patients-in-chinese-cohort
#1
Hong-Da Pan, Gang Zhao, Qi An, Gang Xiao
OBJECTIVES: This study aim to investigate the incidence, timing and risk factors of metachronous pulmonary recurrence after curative resection in patients with rectal cancer. DESIGN: A retrospective cohort study. SETTING: This study was conducted at a tertiary referral cancer hospital. PARTICIPANTS: A total of 404 patients with rectal cancer who underwent curative resection from 2007 to 2012 at Beijing Hospital were enrolled in this study...
February 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29454571/feasibility-of-restorative-proctocolectomy-in-patients-with-ulcerative-colitis-associated-lower-rectal-cancer-a-retrospective-study
#2
Shinnosuke Hotta, Yoshifumi Shimada, Mae Nakano, Saki Yamada, Kaoru Abe, Hidehito Oyanagi, Ryoma Yagi, Yosuke Tajima, Masato Nakano, Hitoshi Kameyama, Masayuki Nagahashi, Jun Sakata, Takashi Kobayashi, Toshifumi Wakai
BACKGROUND/OBJECTIVE: Restorative proctocolectomy (RP) may improve quality of life in patients with ulcerative colitis (UC)-associated lower rectal cancer to a greater extent than total proctocolectomy. However, patients with UC-associated cancer often have flat mucosal lesions that make it extremely difficult to endoscopically delineate the tumor margins. Therefore, there is a potential risk of residual tumor and local recurrence after RP in patients with UC-associated lower rectal cancer...
February 14, 2018: Asian Journal of Surgery
https://www.readbyqxmd.com/read/29450698/validation-of-the-japanese-version-of-the-low-anterior-resection-syndrome-score
#3
Emi Akizuki, Hiroshi Matsuno, Tetsuta Satoyoshi, Masayuki Ishii, Akihiro Usui, Tomomi Ueki, Toshihiko Nishidate, Kenji Okita, Tsunekazu Mizushima, Masaki Mori, Ichiro Takemasa
BACKGROUND: The low anterior resection syndrome (LARS) score is a patient-reported outcome measure to evaluate the severity of bowel dysfunction after rectal cancer surgery by scoring the major symptoms of LARS. The aim of this study was to translate the English version of the LARS score into Japanese and to investigate the validity and reliability of the LARS score. METHODS: The LARS score was translated in Japanese following current international recommendations...
February 14, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29449544/peak1-acting-as-a-tumor-promoter-in-colorectal-cancer-is-regulated-by-the-egfr-kras-signaling-axis-and-mir-181d
#4
Lanlan Huang, Chuangyu Wen, Xiangling Yang, Qiong Lou, Xiaoyan Wang, Jia Che, Junxiong Chen, Zihuan Yang, Xiaojian Wu, Meijin Huang, Ping Lan, Lei Wang, Aikichi Iwamoto, Jianping Wang, Huanliang Liu
PEAK1 is upregulated in multiple human malignancies and has been associated with tumor invasion and metastasis, but little is known about the role of PEAK1 in colorectal cancer (CRC) progression. We investigated the expression pattern, function and regulatory mechanisms of PEAK1 in CRC. Here, we found that PEAK1 is overexpressed in CRC tissues and that high PEAK1 expression predicts poor survival in colon cancer but not rectal cancer. Functionally, silencing PEAK1 inhibits cell proliferation, migration, and invasion in vitro and inhibits the growth of tumor xenografts in nude mice...
February 15, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29446674/intravoxel-incoherent-motion-mri-of-rectal-cancer-correlation-of-diffusion-and-perfusion-characteristics-with-prognostic-tumor-markers
#5
Hongliang Sun, Yanyan Xu, Aiping Song, Kaining Shi, Wu Wang
OBJECTIVE: The objective of our study was to evaluate the intravoxel incoherent motion (IVIM)-DWI derived parameters and their relationships with tumor prognostic markers using 3-T MRI in patients with rectal cancer. SUBJECTS AND METHODS: Fifty-two patients with histopathologically proven rectal cancer who underwent preoperative pelvic MRI were prospectively enrolled in this study. Diffusion and perfusion parameters including the apparent diffusion coefficient (ADC), pure diffusion coefficient, perfusion fraction, and pseudodiffusion coefficient derived from IVIMDWI were independently measured by two radiologists...
February 15, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29445871/are-we-doing-too-much-local-excision-before-radical-surgery-in-early-rectal-cancer
#6
Sun Min Park, Bong-Hyeon Kye, Min Ki Kim, Heba E Jalloun, Hyeon-Min Cho, In Kyu Lee
PURPOSE: In early rectal cancer cases, the use of local excision is increasing. The general indication for local excision is based on the preoperative stage, but there is often a discrepancy between pre and postoperative stages. We sought to determine the indications for local excision in T1 rectal adenocarcinoma patients by comparing the preoperative clinical and postoperative pathological stages. A second aim was to compare the oncologic outcomes between local excision and radical resection...
February 14, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29445870/extralevator-versus-standard-abdominoperineal-excision-in-locally-advanced-rectal-cancer-a-retrospective-study-with-long-term-follow-up
#7
Anu Carpelan, J Karvonen, P Varpe, A Rantala, A Kaljonen, J Grönroos, H Huhtinen
PURPOSE: To analyze the results of abdominoperineal excisions (APE) for locally advanced rectal cancer at our institution before and after the adoption of extralevator abdominoperineal excision (ELAPE) with a special reference to long-term survival. METHODS: A retrospective cohort study conducted in a tertiary referral center. All consecutive patients operated for locally advanced (TNM classification T3-4) rectal cancer with APE in 2004-2009 were compared to patients with similar tumors operated with ELAPE in 2009-2016...
February 14, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29445855/-treatment-strategy-for-early-stage-rectal-cancer-t1-carcinoma
#8
REVIEW
G Liebig-Hörl, C Puchner, M Gerken, M Klinkhammer-Schalke, A Fürst
BACKROUND: A common consensus for the definition for early rectal cancer does not exist. This item is used in cases of histological findings including pTis, pT1 or pT2 tumors. The term early rectal cancer is not mentioned in the German S3 guidelines on colorectal cancer. The pTis tumors are located at the mucosa level of the intestinal wall and they have nearly no tendency to develop metastases but pT2 tumors have a high risk of local metastases; therefore, the term early rectal cancer is not adequate for pT2 tumors...
February 14, 2018: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29442059/modified-transverse-coloplasty-pouch-new-reconstruction-techniques-after-total-mesorectal-excision-our-experience
#9
G Grimaldi, Chiara Eberspacher, A M Romani, D Merletti, A Maturo, S Pontone, D Pironi
AIM: The incidence of rectal cancer continues to rise. The functional results after complete Total Mesorectal Excision (TME) depend on the segment of colon used for reconstruction of colonic continuity and the form, the volume and the functional proprieties of the "neorectum". The aim of our study is evaluate the efficacy of our Modified Transverse Coloplasty Pouch (MTCP) after the treatment of low rectal cancer in terms of functional outcomes and quality of life. PATIENTS AND METHODS: The study included 136 patients, underwent TME from January 2007 to December 2016 with diagnosis of extraperitoneal carcinoma of the rectum...
November 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/29441695/protein-phosphatase-2a-pp2a-inhibitor-cip2a-indicates-resistance-to-radiotherapy-in-rectal-cancer
#10
Eva-Maria Birkman, Adam Elzagheid, Terhi Jokilehto, Tuulia Avoranta, Eija Korkeila, Jarmo Kulmala, Kari Syrjänen, Jukka Westermarck, Jari Sundström
Preoperative (chemo)radiotherapy, (C)RT, is an essential part of the treatment of rectal cancer patients, but tumor response to this therapy among patients is variable. Thus far, there are no clinical biomarkers that could be used to predict response to (C)RT or to stratify patients into different preoperative treatment groups according to their prognosis. Overexpression of cancerous inhibitor of protein phosphatase 2A (CIP2A) has been demonstrated in several cancers and is frequently associated with reduced survival...
February 14, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29437279/radiomic-features-of-pretreatment-mri-could-identify-t-stage-in-patients-with-rectal-cancer-preliminary-findings
#11
Yiqun Sun, Panpan Hu, Jiazhou Wang, Lijun Shen, Fan Xia, Gan Qing, Weigang Hu, Zhen Zhang, Chao Xin, Weijun Peng, Tong Tong, Yajia Gu
BACKGROUND: Recent studies have shown that magnetic resonance (MR) radiomic analysis is feasible and has some value in identifying tumor characteristics, but there are few data regarding the role of MR-based radiomic features in rectal cancer. PURPOSE: The aim of this study was to determine whether radiomic features extracted from T 2 -weighted imaging (T 2 WI) can identify pathological features in rectal cancer. STUDY TYPE: Retrospective study...
February 13, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29437271/novel-radiomic-signature-as-a-prognostic-biomarker-for-locally-advanced-rectal-cancer
#12
Yankai Meng, Yuchen Zhang, Di Dong, Chunming Li, Xiao Liang, Chongda Zhang, Lijuan Wan, Xinming Zhao, Kai Xu, Chunwu Zhou, Jie Tian, Hongmei Zhang
BACKGROUND: Locally advanced rectal cancer (LARC) patient stratification by clinicoradiologic factors may yield variable results. Therefore, more efficient prognostic biomarkers are needed for improved risk stratification of LARC patients, personalized treatment, and prognostication. PURPOSE/HYPOTHESIS: To compare the ability of a radiomic signature to predict disease-free survival (DFS) with that of a clinicoradiologic risk model in individual patients with LARC...
February 13, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29436119/laparoscopic-diagnosis-and-treatment-of-an-isolated-epithelioid-trophoblastic-tumor-in-recto-uterine-pouch
#13
Fang Jiang, Yang Xiang, Li-Na Guo
A 30-year-old Chinese woman with irregular vaginal bleeding was admitted to our department. Serum β-human chorionic gonadotropin (β-hCG) was moderately elevated, and ultrasound and magnetic resonance imaging revealed an irregular, retro-uterine lesion without intrauterine pregnancy. Ectopic pregnancy was the primary consideration, with trophoblastic tumor being another possibility. Laparoscopy revealed a 2 × 3 × 3 cm3 irregular, infiltrating, yellow-white lesion in the left recto-uterine pouch, which was completely resected without rectal damage...
February 13, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29435323/comparison-of-mri-and-colonoscopy-in-determining-tumor-height-in-rectal-cancer
#14
Lotte Jacobs, David B Meek, Joost van Heukelom, Thomas L Bollen, Peter D Siersema, Anke B Smits, Ellen Tromp, Maartje Los, Bas Lam Weusten, Niels van Lelyveld
Background and aim: Endoscopy and magnetic resonance imaging (MRI) are used routinely in the diagnostic and preoperative work-up of rectal cancer. We aimed to compare colonoscopy and MRI in determining rectal tumor height. Methods: Between 2002 and 2012, all patients with rectal cancer with available MRIs and endoscopy reports were included. All MRIs were reassessed for tumor height by two abdominal radiologists. To obtain insight in techniques used for endoscopic determination of tumor height, a survey among regional endoscopists was conducted...
February 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29435147/morphologic-predictors-of-pathological-complete-response-to-neoadjuvant-chemoradiotherapy-in-locally-advanced-rectal-cancer
#15
Chongda Zhang, Feng Ye, Yuan Liu, Han Ouyang, Xinming Zhao, Hongmei Zhang
Purpose: To evaluate the value of morphological parameters that can be obtained conveniently by MRI for predicting pathologically complete response (pCR) in patients with rectal cancer. Materials and Methods: A cohort of 101 patients was examined using MRI before and after Neoadjuvant chemoradiotherapy (nCRT). Morphological parameters including maximum tumor area (MTA), maximum tumor length (MTL) and maximum tumor thickness (MTT), as well as cylindrical approximated tumor volume (CATV), distance to anal verge (DTA), and the reduction rates were evaluated by two experienced readers independently...
January 12, 2018: Oncotarget
https://www.readbyqxmd.com/read/29430468/endoscopic-submucosal-dissection-of-rectal-cancer-close-to-the-dentate-line-accompanied-by-mucosal-prolapse-syndrome
#16
Hirokazu Honda, Kenji Nakamura, Naoki Ishii, Koyu Suzuki, Katsuyuki Fukuda
A 37-year-old man presented to our hospital for early rectal cancer accompanied by mucosal prolapse syndrome. Biopsy confirmed an adenocarcinoma, and endoscopic ultrasonography indicated proximity to the dentate line but no submucosal invasion. The tumor was removed en bloc via endoscopic submucosal dissection without complications, and its margin was free of tumor cells. The total procedure duration was 37 minutes, and the resected specimen measured 23 × 13 mm. There was no recurrence during the 3-year observation period...
2018: ACG Case Reports Journal
https://www.readbyqxmd.com/read/29428473/urinary-dysfunction-after-rectal-cancer-surgery-results-from-a-randomized-trial-comparing-mesorectal-excision-with-and-without-lateral-lymph-node-dissection-for-clinical-stage-ii-or-iii-lower-rectal-cancer-japan-clinical-oncology-group-study-jcog0212
#17
Masaaki Ito, Akihiro Kobayashi, Shin Fujita, Junki Mizusawa, Yukihide Kanemitsu, Yusuke Kinugasa, Koji Komori, Masayuki Ohue, Mitsuyoshi Ota, Yoshihiro Akazai, Manabu Shiozawa, Takashi Yamaguchi, Takayuki Akasu, Yoshihiro Moriya
BACKGROUND: Postoperative urinary dysfunction is a major complication of rectal cancer surgery. A randomized controlled trial (JCOG0212) concluded that the noninferiority of mesorectal excision alone to mesorectal excision with lateral lymph node dissection was not confirmed in terms of relapse-free survival. METHODS: Eligibility criteria included histologically proven clinical stage II/III rectal cancer, a main lesion located in the rectum with the lower margin below the peritoneal reflection, and the absence of lateral lymph node enlargement...
January 17, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29427749/long-term-functional-and-oncological-results-after-sphincter-saving-resection-for-rectal-cancer-cohort-study
#18
Bogdan Badic, Aurélien Joumond, Jérémie Thereaux, Charles Henry Gancel, Jean Pierre Bail
PURPOSE: The treatment of rectal cancer could be complex and the long term complications have the potential to greatly impact the quality of life. The aim of this study was to evaluate the long term functional and oncological results after sphincter-saving resection for rectal cancer. METHODS: Between January 2005 and December 2013, a total of 187 rectal resections with total mesorectal excision (TME) for cancer were performed. The data of 72 (38.5%) patients were available for analysis...
February 7, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29426373/silencing-artemis-enhances-colorectal-cancer-cell-sensitivity-to-dna-damaging-agents
#19
Hai Liu, Xuanxuan Wang, Aihua Huang, Huaping Gao, Yikan Sun, Tingting Jiang, Liming Shi, Xianjie Wu, Qinghua Dong, Xiaonan Sun
Artemis is a key protein of NHEJ (non-homologous end-joining), which is the major pathway for the repair of IR-inducedDSBs in mammalian cells. However, it has not been largely investigated about the expression of Artemis in tumor and the influence of silencing Artemis on the tumor's sensitivity to radiation. In this study, we investigated how expression levels of Artemis may affect treatment outcome of radiotherapy and chemotherapy in colorectal cancer cells. Firstly, we found that the expression of Artemis is strong in some human rectal cancer samples, even can be higher than adjacent normal tissues using immunohistochemical staining...
February 9, 2018: Oncology Research
https://www.readbyqxmd.com/read/29422976/erratum-safety-and-feasibility-of-laparoscopic-intersphincteric-resection-for-a-lower-rectal-tumor
#20
Nobuhisa Matsuhashi, Takao Takahashi, Toshiyuki Tanahashi, Satoshi Matsui, Hisashi Imai, Yoshihiro Tanaka, Kazuya Yamaguchi, Shinji Osada, Kazuhiro Yoshida
[This corrects the article DOI: 10.3892/ol.2017.6664.].
January 2018: Oncology Letters
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