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https://www.readbyqxmd.com/read/28025763/helicobacter-pylori-infection-is-an-independent-risk-factor-for-colonic-adenomatous-neoplasms
#1
Ji Hyung Nam, Chang Won Hong, Byung Chang Kim, Aesun Shin, Kum Hei Ryu, Bum Joon Park, Bun Kim, Dae Kyung Sohn, Kyung Su Han, Jeongseon Kim, Chan Wha Lee
PURPOSE: Helicobacter pylori infection is considered to have a positive association with colorectal neoplasms. In this study, we evaluated the association between H. pylori infection and colorectal adenomas, based on the characteristics of these adenomas in Korea, where the prevalence of H. pylori infection is high and the incidence of colorectal cancer continues to increase. METHODS: The study cohort consisted of 4,466 subjects who underwent colonoscopy and esophagogastroduodenoscopy during screening (1,245 colorectal adenomas vs...
December 27, 2016: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28011978/what-is-the-best-tool-for-transanal-endoscopic-microsurgery-tem-a-case-matched-study-in-74-patients-comparing-a-standard-platform-and-a-disposable-material
#2
Diane Mege, Valérie Bridoux, Léon Maggiori, Jean-Jacques Tuech, Yves Panis
PURPOSE: Transanal endoscopic microsurgery (TEM) is the gold standard for local excision of rectal lesions, but no study exists concerning the best material. The objective was to compare TEM using a disposable material vs a standard platform through a case-matched study. METHODS: Patients who underwent TEM for rectal neoplasms were identified from prospective databases in two tertiary referral centers and matched according to four criteria (sex, tumor location, size, distance from the anal verge): TEM using a disposable material (GelPoint Applied®; group A) and TEM using a standard TEO® platform (Karl Storz, Tuttlingen, Germany; group B)...
December 24, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28002525/histopathological-findings-regarding-oncological-feasibility-of-laparoscopic-versus-open-approach-for-rectal-cancer-a-retrospective-study
#3
Ciprian DuŢă, Sorina Tăban, Diana Al-Jobory, Adelina Roxana Gheju, Romulus Bogdan Timar, Sorin Dema, Pompiliu HoraŢiu Petrescu
Worldwide, colorectal cancer is one of the most prevalent malignancies. Due to oncological safety concerns, data regarding the laparoscopic surgical treatment of rectal cancer is scarce. Our study's main aim was investigate the oncological adequacy of laparoscopic surgery in the treatment of rectal cancer by comparing its oncological reliability with the oncological results obtained after open surgery for rectal cancer. In this retrospective study, 80 patients who underwent surgery for rectal cancer, admitted in our Clinic between January 1, 2014-November 31, 2015 were enrolled...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27999735/identification-of-immunotherapeutic-targets-by-genomic-profiling-of-rectal-net-metastases
#4
Zeynep Koşaloğlu, Inka Zörnig, Niels Halama, Iris Kaiser, Ivo Buchhalter, Niels Grabe, Roland Eils, Matthias Schlesner, Andrea Califano, Dirk Jäger
Neuroendocrine tumors (NETs) of the gastrointestinal tract are a rare and heterogeneous group of neoplasms with unique tumor biology and clinical management issues. While surgery is the only curative treatment option in patients with early stage NETs, the optimal management strategy for patients with advanced metastatic NETs is unknown. Based on the tremendous success of immunotherapeutic approaches, we sought to investigate such approaches in a case of metastatic rectal NET. Here, we apply an integrative approach using various computational and experimental methods to explore several aspects of the tumor-host immune interactions for immunotherapeutic options...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27928792/-clinicopathological-characteristics-and-prognosis-analysis-of-colorectal-neuroendocrine-neoplasms-based-on-the-data-from-domestic-six-medical-centers
#5
Yu Zhang, Xiaojie Peng, Kaizhou Jin, Wei Wang, Xingyu Feng, Yujie Zeng, Minhu Chen, Xianjun Yu, Ye Chen, Jie Chen
OBJECTIVE: To investigate the clinicopathological characteristics and their relationship with prognosis of colorectal neuroendocrine neoplasms (NEN). METHODS: Medical records of 329 patients with colorectal NEN between June 2001 and July 2016 from 6 large scale centers in China were reviewed to investigate the clinicopathological characteristics and their relationship with prognosis of colorectal NEN. RESULTS: (1) Colonic NEN: A total of 41 patients with colonic NEN were enrolled from The First Affiliated Hospital of Sun Yat-sen University(n=11), Sun Yat-sen University Cancer Center (n=15), Guangdong General Hospital (n=10), Sun Yet-san Memorial Hospital of Sun Yat-sen University (n=3) and Fudan University Shanghai Cancer Center (n=2)...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27920648/synchronous-adenocarcinoma-of-the-colon-and-rectal-carcinoid
#6
Vamshidhar Vootla, Rafeeq Ahmed, Masooma Niazi, Bhavna Balar, Suresh Nayudu
Primary colonic adenocarcinoma and synchronous rectal carcinoids are rare tumors. Whenever a synchronous tumor with a nonmetastatic carcinoid component is encountered, its prognosis is determined by the associate malignancy. The discovery of an asymptomatic gastrointestinal carcinoid during the operative treatment of another malignancy will usually only require resection without additional treatment and will have little effect on the prognosis of the individual. This article reports a synchronous rectal carcinoid in a patient with hepatic flexure adenocarcinoma...
September 2016: Case Reports in Gastroenterology
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/27857005/polypoid-anal-melanoma-a-case-report-and-review-of-the-literature
#8
Roberta Tutino, Giuseppe Clerico, Alberto Realis Luc, Gaetano Gallo, Mario Trompetto
INTRODUCTION: Ano-rectal melanoma is an uncommon finding in patients complaining of rectal bleeding and/or anal mass often misinterpreted as a haemorroidal pile. CASE REPORT: A 55-years-old woman, complaining of rectal bleeding, frequent anal pain and anal mass suspected for haemorroidal thrombosis was referred for evaluation and possible treatment. A brown polypoid mass arising from the anal canal/lower rectum with a maximum diameter of 6 cm was diagnosed. The hystological examination of the neoplasm, transanally removed, revealed the presence of a polypoid melanoma partially involving the resection margin...
November 12, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/27844130/-second-neoplasms-after-percutaneous-radiotherapy
#9
F Haidl, D Pfister, R Semrau, A Heidenreich
Radiation therapy represents an alternative treatment to radical prostatectomy in the management of clinically localized prostate cancer. Radiation-induced second neoplasms are defined by a latency period of at least 5 years, location within the field of radiation therapy, and a histology which differs from the primary tumor. Based on the data in the literature, there is a consistently increased risk of bladder cancer (HR: 1.67, 95% CI 1.55-1.80), rectal cancer (HR: 1.79, 95% CI 1.34-2.38), and colorectal cancer (HR: 1...
November 14, 2016: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/27780090/a-case-of-obturator-hernia-leading-to-right-thigh-abscess-in-china
#10
Zhen Shen, Chen-Yang Zhi, Ruo-Nan Wang, Hai-Cheng Gao
The purpose of this case is to investigate a case of obturator hernia leading to right thigh abscess on 68-year-old woman of China. A 68-year-old Chinese woman was referred to China-Japan Friendship Hospital of Jilin University with abdominal pain, bloating, exhaust, stop defecation in 2011. She had chronic bronchitis, emphysema with a history of 20 years. This patient did not have any bad habits, such as smoking, alcohol consumption, etc. In this surgery, CT was used to diagnose the basic condition of the patient...
October 19, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27778169/laparoscopic-colorectal-cancer-resections-in-the-obese-a-systematic-review
#11
Alastair Fung, Nora Trabulsi, Martin Morris, Richard Garfinkle, Abdulaziz Saleem, Steven D Wexner, Carol-Ann Vasilevsky, Marylise Boutros
BACKGROUND: Laparoscopic colorectal cancer operations in obese patients pose technical challenges that may negatively impact oncologic adequacy. A meta-analysis was performed to assess the oncologic outcomes of laparoscopic colorectal cancer resections in obese compared to non-obese patients. Short- and long-term outcomes were assessed secondarily. METHODS: A systematic literature search was conducted from inception until October 01, 2014. Studies that compared outcomes of laparoscopic colorectal malignant neoplasms in obese and non-obese patients were selected for meta-analysis...
October 24, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27752279/radiological-assessment-of-anal-cancer-an-overview-and-update
#12
Vincenza Granata, Roberta Fusco, Alfonso Reginelli, Luca Roberto, Francesco Granata, Daniela Rega, Antonio Rotondo, Roberto Grassi, Francesco Izzo, Antonella Petrillo
Anal cancer is uncommon neoplasm with an incidence of 2 new cases per 100,000 per year in the USA, accounting approximately 0.4 % of all tumors and 2.5 % of gastrointestinal malignancies. An early detection of the anal cancer is crucial for the patient management, whereas the diagnosis at an early stage allows conservative management with sphincter sparing, on the contrary a delays in diagnosis might lead to an advance cancer stage at presentation with worst survival. According to National Comprehensive Cancer Network (NCCN) Anal Carcinoma guidelines the patients should be subjected to a careful clinical examination, including a digital rectal examination (DRE), an anoscopic examination, and palpation of inguinal nodes...
2016: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/27665407/-urologic-malignancies-in-renal-transplant-candidates-and-recipients
#13
F Kleinclauss, R Thuret, T Murez, M O Timsit
OBJECTIVE: To review epidemiology and management of urologic neoplasms in renal transplant candidates and recipients. MATERIAL AND METHODS: Relevant publications were identified through Medline (http://www.ncbi.nlm.nih.gov) and Embase (http://www.embase.com) database using the following keywords, alone or in association, "neoplasms"; "prostate cancer"; "renal carcinoma"; "renal transplantation"; "transitional carcinoma"; "waiting list". Articles were selected according to methods, language of publication and relevance...
November 2016: Progrès en Urologie
https://www.readbyqxmd.com/read/27618699/diffusion-weighted-magnetic-resonance-imaging-in-colorectal-cancer
#14
M Barral, C Eveno, C Hoeffel, M Boudiaf, P Bazeries, R Foucher, M Pocard, A Dohan, P Soyer
Magnetic resonance imaging (MRI) plays now a major role in patients with colorectal cancer regarding tumor staging, surgical planning, therapeutic decision, assessment of tumor response to chemoradiotherapy and surveillance of rectal cancer, and detection and characterization of liver or peritoneal metastasis of colorectal cancers. Diffusion-weighted MRI (DW-MRI) is a functional imaging tool that is now part of the standard MRI protocol for the investigation of patients with colorectal cancer. DW-MRI reflects micro-displacements of water molecules in tissues and conveys high degrees of accuracy to discriminate between benign and malignant colorectal conditions...
September 8, 2016: Journal of Visceral Surgery
https://www.readbyqxmd.com/read/27612869/intrahepatic-cholangiocarcinoma-coinciding-with-a-liver-metastasis-from-a-rectal-carcinoma-a-case-report
#15
Shintaro Akabane, Masahiro Ohira, Tsuyoshi Kobayashi, Shintaro Kuroda, Naoki Tanimine, Seiichi Shimizu, Hiroyuki Tahara, Kentaro Ide, Kohei Ishiyama, Hiroyuki Egi, Kazuaki Tanabe, Kazuhiro Sentani, Wataru Yasui, Hideki Ohdan
BACKGROUND: We experience many cases of liver metastasis from colorectal cancer, but synchronous occurrence of intrahepatic cholangiocarcinoma (ICC) and liver metastasis from a rectal cancer is extremely rare. We herein report a case of ICC coinciding with a liver metastasis from a known rectal carcinoma. CASE PRESENTATION: A 68-year-old man was referred to our hospital for investigation of multiple liver tumors. Total colonoscopy and computed tomography (CT) revealed a rectal carcinoma, coinciding with liver metastasis...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27514720/prospective-assessment-of-the-quality-of-life-in-patients-treated-surgically-for-rectal-cancer-with-lower-anterior-resection-and-abdominoperineal-resection
#16
E Monastyrska, W Hagner, M Jankowski, I Głowacka, B Zegarska, W Zegarski
INTRODUCTION: Rectal cancer is the most common malignant neoplasm of the gastrointestinal tract. The aim of the study was to assess the quality of life in patients undergoing surgical treatment for the rectal cancer, either lower anterior or abdominoperineal resection. MATERIALS AND METHODS: 100 patients suffering from rectal cancer were selected for a prospective study (50-APR, 50-LAR). The quality of life was assessed two times: at the admission to the Department and 6 months following surgery...
November 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27505111/outcomes-of-pelvic-exenteration-with-en-bloc-partial-or-complete-pubic-bone-excision-for-locally-advanced-primary-or-recurrent-pelvic-cancer
#17
Kirk K S Austin, Andrew J Herd, Michael J Solomon, Ken Ly, Peter J Lee
INTRODUCTION: Neoplasms infiltrating the pubic bone have until recently been considered a contraindication to surgery. Paucity of existing published data in regard to surgical techniques and outcomes exist. OBJECTIVE: This study aims to address outcomes of our recently published technique for en bloc composite pubic bone excision during pelvic exenteration. DESIGN: A prospective database was reviewed to identify patients who underwent a partial or complete pubic bone composite excision over a 12-year period...
September 2016: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27422471/primary-colon-adenosquamous-carcinoma-in-a-patient-with-lynch-syndrome-a-new-histologic-subtype-associated-with-microsatellite-instability
#18
Virginia E Duncan, Shuko Harada, Todd M Stevens
We report a case of a 53-year-old woman who presented with rectal bleeding and a 9.5 cm hemicircumferential ascending colon mass. Histology revealed adenosquamous carcinoma (ASC), a rare subtype comprised of malignant squamous and glandular elements. Immunohistochemistry revealed loss of MLH1/PMS2 expression and retained MSH2/MSH6 expression in squamous and glandular components, indicative of microsatellite instability (MSI). MSI is caused by loss-of-function defects in DNA mismatch repair genes, leading to increased susceptibility to a variety of neoplasms; the role of MSI in colorectal ASC is unknown...
October 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27375735/diagnosis-and-surgical-treatment-of-isolated-rectal-endometriosis-long-term-complication-of-incomplete-treatment-for-pelvic-endometriosis
#19
Jae-Young Kwack, Seul Ki You, Yong-Soon Kwon
A 40-year-old woman visited our hospital with cyclic hematochezia for four months. The patient had the history of laparoscopic-assisted vaginal hysterectomy because of severe dysmenorrhea two years ago at another tertiary hospital. According to the medical records, the past surgical treatment was incomplete excision of pelvic endometriotic lesions, especially in rectal serosal lesions. A colonoscopy and abdominopelvic computed tomography showed an isolated tumor mimicking neoplasm, in which a biopsy under colonoscopy was performed and the lesion was endometriosis pathologically...
May 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27365889/syphilitic-proctitis
#20
Juliana F Yang, Lan Peng, Ali A Siddiqui, Christian A Mayorga
Syphilitic proctitis is a rare disease that usually presents as proctitis, ulcer, and neoplasm but lacks pathognomonic clinical symptoms. It is thus difficult to diagnose and may be treated inappropriately. We report a 31-year-old man who had a hard, ulcerated mass that occupied the rectal and sigmoid colon wall and mimicked a tumor. Fortunately, a biopsy of the mass demonstrated Treponema pallidum organisms consistent with syphilitic proctitis. The patient was successfully treated with intravenous benzyl penicillin, resulting in improvement in his proctitis...
July 2016: Proceedings of the Baylor University Medical Center
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