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https://www.readbyqxmd.com/read/27901479/the-association-between-the-tp53-arg72pro-polymorphism-and-colorectal-cancer-an-updated-meta-analysis-based-on-32-studies
#1
Xin Tian, Shundong Dai, Jing Sun, Shenyi Jiang, Youhong Jiang
Several previous studies evaluated the association between the Arg72Pro (rs1042522) polymorphism in the TP53 tumor suppressor gene and colorectal cancer (CRC). However, the results are conflicting. This meta-analysis aimed to shed new light on the precise association between TP53 variants and CRC. We analyzed 32 published case-control studies involving 8,586 cases and 10,275 controls using crude odd ratios (ORs) with 95% confidence intervals (CIs). The meta-analysis was performed using a fixed-effect or random-effects model, as appropriate...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900631/are-we-allowed-to-limit-surgical-aggressiveness-with-small-rectal-gastrointestinal-stromal-tumors
#2
EDITORIAL
Marco Fiore, Chandrajit P Raut, Alessandro Gronchi
No abstract text is available yet for this article.
November 29, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27895814/robotic-rectal-surgery-state-of-the-art
#3
REVIEW
Fabio Staderini, Caterina Foppa, Alessio Minuzzo, Benedetta Badii, Etleva Qirici, Giacomo Trallori, Beatrice Mallardi, Gabriele Lami, Giuseppe Macrì, Andrea Bonanomi, Siro Bagnoli, Giuliano Perigli, Fabio Cianchi
Laparoscopic rectal surgery has demonstrated its superiority over the open approach, however it still has some technical limitations that lead to the development of robotic platforms. Nevertheless the literature on this topic is rapidly expanding there is still no consensus about benefits of robotic rectal cancer surgery over the laparoscopic one. For this reason a review of all the literature examining robotic surgery for rectal cancer was performed. Two reviewers independently conducted a search of electronic databases (PubMed and EMBASE) using the key words "rectum", "rectal", "cancer", "laparoscopy", "robot"...
November 15, 2016: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/27895428/lymphovascular-invasion-in-more-than-one-quarter-of-small-rectal-neuroendocrine-tumors
#4
Mi Jung Kwon, Ho Suk Kang, Jae Seung Soh, Hyun Lim, Jong Hyeok Kim, Choong Kee Park, Hye-Rim Park, Eun Sook Nam
AIM: To identify the frequency, clinicopathological risk factors, and prognostic significance of lymphovascular invasion (LVI) in endoscopically resected small rectal neuroendocrine tumors (NETs). METHODS: Between June 2005 and December 2015, 104 cases of endoscopically resected small (≤ 1 cm) rectal NET specimens at Hallym University Sacred Heart Hospital in Korea were retrospectively evaluated. We compared the detected rate of LVI in small rectal NET specimens by two methods: hematoxylin and eosin (H&E) and ancillary immunohistochemical staining (D2-40 and Elastica van Gieson); in addition, LVI detection rate difference between endoscopic procedures were also evaluated...
November 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27893692/relationship-between-serum-uric-acid-and-metastatic-and-nonmetastatic-rectal-cancer-patients-with-undergoing-no-chemotherapy
#5
Cheng Yuan, Xin-Hua Xu, Xiao-Long Wang, Lu Xu, Zhuo Chen, Yuan-Qiang Li
The aim of this study was to investigate the role of uric acid (UA) in assessing rectal cancer metastasis.There were 475 newly diagnosed patients with complete data in our study, a total of 475 cases were reviewed, and divided into patients with metastasis and without metastasis.There were several statistical differences in age, tumor diameter, carcino-embryonic antigen (CEA), and C-reactive protein (CRP) between the 2 groups. Importantly, serum concentrations of UA in patients with lymphatic metastasis were found to be increased compared with patients without lymphatic metastasis (270...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27891147/effect-of-neoadjuvant-chemoradiotherapy-with-capecitabine-versus-fluorouracil-for-locally-advanced-rectal-cancer-a-meta-analysis
#6
REVIEW
Guo-Chen Liu, Jun-Ping Yan, Qing He, Xin An, Zhi-Zhong Pan, Pei-Rong Ding
A meta-analysis was carried out to compare the efficacy and safety of capecitabine plus radiation with 5-fluorouracil (5-FU) plus radiotherapy (RT) as neoadjuvant treatment in locally advanced rectal cancer (LARC). We searched the Cochrane database, Ovid, Medline, Embase, ISI databases, and Chinese Biomedical Literature Database between January 1998 and October 2014. Trials of capecitabine compared with 5-FU plus RT as neoadjuvant treatment for LARC were considered for inclusion. RevMan software was used to analyze these data...
2016: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/27889996/elevated-microsatellite-alterations-at-selected-tetranucleotide-repeats-emast-and-microsatellite-instability-in-patients-with-colorectal-cancer-and-its-clinical-features
#7
H S Lee, K U Park, D-W Kim, M H Ihn, W H Kim, A N Seo, H E Chang, S K Nam, S Y Lee, H-K Oh, S-B Kang
PURPOSE: Recently, a different type of microsatellite instability (MSI) instability designated 'elevated microsatellite alterations at selected tetranucleotide repeats' (EMAST) has been reported in several neoplasms, but its clinical implications remain unclear. We aimed to determine the relationships among EMAST, MSI and clinicopathologic characteristics, including oncologic outcomes, in colorectal cancer (CRC). MATERIALS AND METHODS: We evaluated 100 sporadic CRC cases subjected to surgery using five markers (MYCL1, D9S242, D20S85, D8S321, and D20S82) for EMAST and the Bethesda panel for MSI status...
November 23, 2016: Current Molecular Medicine
https://www.readbyqxmd.com/read/27888300/analysis-of-local-recurrences-after-transanal-endoscopic-microsurgery-for-low-risk-rectal-carcinoma
#8
Theodor Junginger, Ursula Goenner, Mirjam Hitzler, Tong T Trinh, Achim Heintz, Wilfried Roth, Maria Blettner, Daniel Wollschlaeger
AIM: Rates of local recurrence (LR) after transanal endoscopic microsurgery (TEM) for rectal carcinoma vary; the reasons remain unclear. We analyzed LR after TEM for low-risk pT1 (G1/2/X, L0/X) rectal carcinoma to investigate the influence of completeness of resection and occult lymph node metastasis on risk of LR. METHOD: LR location and stage, completeness of resection of primary carcinoma (minimal distance between tumor and resection line ≤1 mm vs >1 mm), and incidence of involved lymph nodes in resected LR specimens were collected, and tumor characteristics of LR were compared with primary carcinoma...
November 25, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27885848/conveying-a-newly-designed-hydrophilic-anti-human-thymidylate-synthase-peptide-to-cisplatin-resistant-cancer-cells-are-ph-sensitive-liposomes-more-effective-than-conventional-ones
#9
Francesca Sacchetti, Domenico D'Arca, Filippo Genovese, Salvatore Pacifico, Eleonora Maretti, Miriam Hanuskova, Valentina Iannuccelli, Maria Paola Costi, Eliana Leo
Context LR-peptide, a novel hydrophilic peptide synthetized and characterized in previous work, is able to reduce the multi-drug resistance response in cisplatin (cDPP) resistant cancer cells by inhibiting human thymidylate synthase overexpressed in several tumors, including ovarian and colon-rectal cancers, but it is unable to enter the cells spontaneously. Objective The aim of this work was to design and characterize liposomal vesicles as drug delivery systems for the LR peptide, evaluating the possible benefits of the pH-responsive feature in improving intracellular delivery...
November 25, 2016: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/27885389/mri-features-of-perianal-fistulas-is-there-a-difference-between-crohn-s-and-non-crohn-s-patients
#10
Irai S Oliveira, Aoife Kilcoyne, Melissa C Price, Mukesh Harisinghani
PURPOSE: Though perianal fistulas are commonly seen in patients with Crohn's disease, they can also be seen in patients without inflammatory bowel disease. The purpose of this study was to evaluate MR imaging differences of perianal fistulas in patients with and without Crohn's disease. METHODS: Our retrospective search from January 2012 to December 2015 of the Radiology database for perianal fistula yielded 207 patients. Only patients with dedicated MR fistula protocol studies were included, whereas patients with previous anal surgery or anastomosis, anorectal tumors, and equivocal findings that could not be definitely assessed as a fistula were excluded...
November 24, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27878621/clinical-and-functional-results-of-laparoscopic-intersphincteric-resection-for-ultralow-rectal-cancer-is-there-a-distinction-between-the-three-types-of-hand-sewn-colo-anal-anastomosis
#11
Bin Zhang, Ke Zhao, Quanlong Liu, Shuhui Yin, Guangzuan Zhuo, Yujuan Zhao, Jun Zhu, Jianhua Ding
PURPOSE: The purpose of this study is to compare the clinical and functional outcomes of three types of hand-sewn colo-anal anastomosis (CAA) after laparoscopic intersphincteric resection (Lap-ISR) for patients with ultralow rectal cancer. METHODS: A total of 79 consecutive patients treated by Lap-ISR for low-lying rectal cancer in an academic medical center from June 2011 to February 2016. According to the distal tumor margin and individualized anal length, the patients underwent three types of hand-sewn CAA including partial-ISR, subtotal-ISR, and total-ISR...
November 23, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27873100/the-pretreatment-systemic-inflammatory-response-is-an-important-determinant-of-poor-pathologic-response-for-patients-undergoing-neoadjuvant-therapy-for-rectal-cancer
#12
Stephan B Dreyer, Arfon G M T Powell, Stephen T McSorley, Ashita Waterston, James J Going, Joanne Edwards, Donald C McMillan, Paul G Horgan
BACKGROUND: Not all patients respond equally to neoadjuvant chemoradiotherapy (nCRT), with subsequent effects on survival. The systemic inflammatory response has been shown to predict long-term outcomes in colorectal cancer. The current study examined the association between systemic inflammation and nCRT in patients with rectal cancer. METHODS: Between 1999 and 2010, patients who underwent nCRT were identified. Serum measurements of hemoglobin, C-reactive protein, albumin, modified Glasgow prognostic score (mGPS), and differential white cell counts were obtained before and after nCRT...
November 21, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27872975/identification-of-recurrence-predictive-indicators-in-stage-i-colorectal-cancer
#13
Jun Ho Lee, Jong Lyul Lee, In Ja Park, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
BACKGROUND: Patients with stage I colorectal cancer (CRC) rarely experience recurrences; therefore, few risk factors for recurrence are known. This study was designed to evaluate oncologic outcomes of patients with stage I CRC and to identify risk factors for recurrence after curative surgery. METHODS: A retrospective cohort of 860 patients from a single institution who underwent curative surgery for stage I CRC between July 1995 and June 2010 was enrolled. Patients who were diagnosed with hereditary, synchronous, or metachronous cancer and those who received preoperative chemoradiotherapy were excluded...
November 21, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27872787/synchronous-malignant-peripheral-nerve-sheath-tumor-and-adenocarcinoma-of-the-prostate-case-report-and-literature-review
#14
Nikolaos Ferakis, Antonios Katsimantas, Konstantinos Bouropoulos, Antonios Farmakis
Malignant Peripheral Nerve Sheath Tumors (MPNSTs) of the prostate are extremely rare. A very unusual case of simultaneous adenocarcinoma and MPNST of the prostate is reported. A 60-year-old Caucasian male presented for annual urologic examination. Digital rectal examination revealed a painless, toughish, and asymmetrically enlarged prostate. Serum prostate-specific antigen was 1 ng/mL. Radiologic examinations demonstrated a large mass, which was arising from the left peripheral lobe of the prostate. The patient underwent transrectal ultrasound-guided biopsy of the prostate which revealed a smooth muscle tumor of uncertain malignant potential...
2016: Case Reports in Urology
https://www.readbyqxmd.com/read/27872544/breast-lumps-that-do-not-arise-from-the-breast
#15
Srinivas Kodaganur, Priyadarshini C A, Ishwar R Hosamani
An elderly lady presented to the surgical outpatient with a lump in her breast. On examination, there was a well-defined large lump measuring about 12 × 10 cm, hard in consistency and fixed to the chest wall, the skin appeared to be free, and the nipple-areola complex was normal. A provisional diagnosis of phylloides tumor was made, but digital rectal examination revealed a circumferential rectal growth. To our surprise, biopsy of the rectal growth and the chest wall mass revealed similar adenocarcinoma cells...
December 2016: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27865145/rectal-gastrointestinal-stromal-tumor-with-metastasis-to-the-penis-case-report-and-review-of-literature
#16
Jacob Carlson, Wilson Alobuia, Jason Mizell
We report the case of a 51-year-old gentleman with previously diagnosed gastrointestinal stromal tumor (GIST) of the rectum with metastasis to the penis. The patient underwent abdominoperineal resection of the primary tumor with negative margins and completed a three-year course of imatinib mesylate (Gleevec). Forty months after resection of his rectal tumor, the patient presented to his urologist with worsening testicular pain, mild lower urinary tract obstructive symptoms, and nocturia. A pelvic MRI revealed the presence of an ill-defined mass in the right perineum extending from the base of the penis to the penoscrotal junction...
November 9, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27860201/peptidome-characterization-of-the-antipyretic-fraction-of-bubali-cornu-aqueous-extract-by-nano-liquid-chromatography-with-orbitrap-mass-spectrum-detection
#17
Rui Liu, Qiong Huang, Jin-Ao Duan, Zhenhua Zhu, Pei Liu, Yong Bian, Jinhua Tao, Dawei Qian
In the present study, the antipyretic activity of Bubali Cornu (water buffalo horn) fraction and its metabolomics were investigated. The fraction decreased rat rectal temperature, and 13 endogenous metabolites were identified as potential biomarkers. Selected metabolites were involved in arachidonic acid metabolism and glycerophospholipid metabolism etc. Following treatment with the fraction, four metabolites, pyroglutamic acid, palmitelaidic acid, leukotriene A4, and prostaglandin A2 were reversed. In addition, the levels of interleukin-1β, tumor necrosis factor-α, prostaglandin E2 , and cyclic adenosine monophosphate in plasma were also reversed after treatment as determined by enzyme linked immunosorbent assay...
November 9, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27858916/evaluating-rectal-tumor-staging-with-magnetic-resonance-imaging-computed-tomography-and-endoluminal-ultrasound-a-meta-analysis
#18
Xiao-Ting Li, Xiao-Yan Zhang, Ying-Shi Sun, Lei Tang, Kun Cao
BACKGROUND: Magnetic resonance imaging (MRI), endoluminal ultrasound (EUS), and computed tomography (CT) are commonly used imaging tools to evaluate rectal tumor staging, but there was no recent meta-analysis to define the present role of the 3 tools. Here, we proposed to systematically compare the accuracy of the 3 imaging tools for rectal tumor staging. METHODS: We systematically searched diagnostic accuracy studies of MRI, CT, or EUS on rectal cancer staging, written in English or Chinese, published between January 1, 2003 and Dec 31, 2015 from database of PubMed, EMBASE, and Cochrane Library...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27858861/laparoscopic-assisted-low-anterior-resection-for-advanced-rectal-cancer-in-a-kidney-transplant-recipient-a-case-report
#19
Zenan Xia, Weijie Chen, Ru Yao, Guole Lin, Huizhong Qiu
INTRODUCTION: Development of de novo malignancy has become a major cause of late mortality in solid organ transplant recipients. Surgery is currently the most important treatment of choice for transplant patients with resectable CRC. However, conventional open surgery represents a great risk to these high-risk patients. They seem to benefit more from laparoscopic surgery, based on the favorable oncological outcome and remarkable short-term advantages of this approach. PATIENT CONCERNS: In this study, we have reported a case of a 50-year-old man who had underwent kidney transplantation for 4 years...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27858839/prognostic-role-of-the-lymphocyte-to-monocyte-ratio-in-patients-undergoing-resection-for-nonmetastatic-rectal-cancer
#20
Qing-Bin Wu, Meng Wang, Tao Hu, Wan-Bin He, Zi-Qiang Wang
Lymphocyte-to-monocyte ratio (LMR) was associated with survival benefit in some types of cancer. The relationship between LMR and rectal cancer has not been investigated. We conducted a retrospective cohort study to assess the prognostic significance of LMR in patients with nonmetastatic rectal cancer. Patients with rectal cancer who underwent potentially curative resection between January 2009 and December 2013 were enrolled. The LMR was calculated from preoperative blood test by dividing the absolute lymphocyte counts by the absolute monocyte counts...
November 2016: Medicine (Baltimore)
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