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https://www.readbyqxmd.com/read/27910803/the-prognostic-and-predictive-value-of-tmprss2-erg-gene-fusion-and-erg-protein-expression-in-prostate-cancer-biopsies
#1
Kasper Drimer Berg
BACKGROUND: The clinical course of prostate carcinoma (PCa) is very heterogeneous. Consequently, a personalised approach for risk stratification and treatment planning is important. Recently, it has become evident that PCa, also at the genomic level, is heterogeneous. An early and common alteration is the gene fusion between the transmembrane protease serine 2 (TMPRSS2) gene and the v-ets avian erythroblastosis virus E26 oncogene homolog (ERG) gene resulting in expression of the oncoprotein ERG...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27895682/development-and-clinical-implementation-of-a-new-template-for-mri-based-intracavitary-interstitial-gynecologic-brachytherapy-for-locally-advanced-cervical-cancer-from-ct-based-mupit-to-the-mri-compatible-template-benidorm-ten-years-of-experience
#2
Silvia Rodríguez Villalba, Jose Richart Sancho, Antonio Otal Palacín, Jose Perez-Calatayud, Manuel Santos Ortega
PURPOSE: To study outcome and toxicity in 59 patients with locally advanced cervix carcinoma treated with computed tomography (CT)-based Martinez universal perineal interstitial template (MUPIT) and the new magnetic resonance imaging (MRI)-compatible template Benidorm (TB). MATERIAL AND METHODS: From December 2005 to October 2015, we retrospectively analyzed 34 patients treated with MUPIT and 25 treated with the TB. Six 4 Gy fractions were prescribed to the clinical target volume (CTV) combined with external beam radiotherapy (EBRT)...
October 2016: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/27888300/analysis-of-local-recurrences-after-transanal-endoscopic-microsurgery-for-low-risk-rectal-carcinoma
#3
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/27868197/expression-of-a-hepatitis-b-virus-pre-s2-deletion-mutant-in-the-liver-results-in-hepatomegaly-and-hepatocellular-carcinoma-in-mice
#4
Yuan-Chi Teng, Jenq Chyuan Neo, Jaw-Ching Wu, Yi-Fan Chen, Cheng-Heng Kao, Ting-Fen Tsai
Hepatocellular carcinoma (HCC) is the most common form of liver cancer and has a poor prognosis and a low survival rate; its incidence is on the rise. Hepatitis B virus (HBV) infection is one of the main causes of HCC. A high prevalence of pre-S deletions of HBV surface antigen, which encompass T-cell and/or B-cell epitopes, is found in HBV carriers; antiviral therapy and viral immune escape may cause and select for these HBV mutants. In particular, the presence of pre-S2 deletion mutants is an important risk factor associated with cirrhosis and HCC...
November 21, 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27846173/current-controversies-in-transanal-surgery-for-rectal-cancer
#5
Jose M Ramirez, Manuela Elia, Elena Cordoba, Jose A Gracia, Vicente Aguilella
Local surgery for rectal tumors has been traditionally limited due to technical issues for lower risk lesions. In the 1980s, Buess described the transanal endoscopic microsurgery (TEM) technique that enabled excision of lesions that were larger and in a higher location. TEM in a short time became the gold standard for the excision of large adenomas and early rectal carcinomas. Since the advent of TEM, and due to advances in minimal invasive technology, new devices and procedures have come to the surgical armamentarium, in many cases with only very slight differences between them...
November 14, 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/27833772/adenomatous-polyps-in-adolescent-girl-and-boy-a-report-of-two-cases
#6
Laleh Vahedi Larijani, Maryam Ghasemi, Hassan Karami
A polyp is defined as a mass of the mucosal surface that protrudes into the lumen of the gastrointestinal tract. Neoplastic epithelial polyps are classified histologically as either benign adenoma or malignant carcinoma. The colonic polyps that most commonly present in children occur sporadically and individually and are of the juvenile type; they are most frequently associated with painless rectal hemorrhage (which is the most common symptom). Adenomatous polyps are similar to other nontumoral polyps, and it is very rare for children to have symptoms other than rectal bleeding...
2016: Case Reports in Pathology
https://www.readbyqxmd.com/read/27832799/estimation-of-second-cancer-risk-after-radiotherapy-for-rectal-cancer-comparison-of-3d-conformal-radiotherapy-and-volumetric-modulated-arc-therapy-using-different-high-dose-fractionation-schemes
#7
Daniel R Zwahlen, Laura I Bischoff, Günther Gruber, Marcin Sumila, Uwe Schneider
PURPOSE: To investigate second cancer risk (SCR) comparing volumetric modulated arc therapy (VMAT) and 3D conformal radiotherapy (3DCRT) with different high dose fractionation schemes. METHODS: VMAT and 3DCRT virtual treatment plans for 25 patients previously treated with radiotherapy for rectal cancer were evaluated retrospectively. Doses prescribed were 25 × 1.8 Gy and 5 × 5 Gy, respectively. SCR was estimated using a carcinogenesis model and epidemiological data for carcinoma and sarcoma induction...
November 10, 2016: Radiation Oncology
https://www.readbyqxmd.com/read/27830391/robotically-assisted-laparoscopic-ovarian-transposition-in-women-with-lower-gastrointestinal-cancer-undergoing-pelvic-radiotherapy
#8
Vasileios D Sioulas, Soledad Jorge, Jing-Yi Chern, Maria B Schiavone, Martin R Weiser, Joanne F Kelvin, Ginger J Gardner, Yukio Sonoda, Nadeem R Abu-Rustum, Karyn A Goodman, Mario M Leitao
BACKGROUND: Pelvic radiotherapy (RT) is a standard component of the management for patients with locally advanced rectal cancer or squamous cell carcinoma of the anus. Pelvic RT leads to permanent and irreversible ovarian failure in young women. This study aimed to determine the effectiveness of robotically assisted laparoscopic ovarian transposition (OT) before RT in women with rectal or anal cancer who wanted to preserve normal ovarian function. METHODS: The study reviewed the medical records of all patients treated at our institution from August 2009 to October 2014 who received robotically assisted laparoscopic OT for rectal or anal cancer before RT...
November 9, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27822951/rectal-neuroendocrine-neoplasia-a-rare-tumour
#9
Marina de Benito Sanz, Javier Santos Fernández, Mª Henar Núñez Rodríguez
Colorectal neuroendocrine tumours are rare A 78 year old man with a history of hypertension, heart disease, pacemakers, prostate adenocarcinoma.On examination for rectal bleeding, a colonoscopy was performed and at 5 cm of the anal margin a 28 mm ulcerated neoformation was found.An echo-endoscopy revealed infiltration of the muscular layer with an area of loss in the cleavage plane loss and fraying of the perirectal fat infiltration suggestive of infiltration (T3). They no lymph nodes or metastasis were identified by CAT...
November 8, 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27819636/the-importance-of-preoperative-stadialization-of-rectal-cancer-using-multiparametric-mri-a-systematic-review
#10
Ferdinand Bauer
A correct preoperative stadialization of rectal carcinoma has a direct influence upon its therapeutic strategy, resulting in a significant improvement of the survival rate and life quality after the treatment. The therapeutic strategy refers to the option of undergoing or not preoperative radiochemotherapy before the total mesorectal excision (TME). The technical advances in the magnetic resonance domain makes possible the multiparametric examinations (mp MRI) with medical equipments (3T models are common) good enough to obtain images having an excellent quality, which allow a correct diagnosis of the local tumour spread...
2016: Chirurgia
https://www.readbyqxmd.com/read/27816539/feasibility-study-of-toxicity-outcomes-using-gec-estro-contouring-guidelines-on-ct-based-instead-of-mri-based-planning-in-locally-advanced-cervical-cancer-patients
#11
Vicky Koh, Bok Ai Choo, Khai Mun Lee, Teng Hwee Tan, Jen Hui Jeffrey Low, Soon Yau Joseph Ng, Arunachalam Ilancheran, Liang Shen, Johann Tang
PURPOSE: To report late rectal and bladder toxicity outcomes of a CT-based image-guided brachytherapy (IGBT) technique for treatment of cervical cancer. METHODS AND MATERIALS: Between 2008 and 2014, 95 women with International Federation of Gynecology and Obstetrics stage IB to IVA cervical carcinoma treated with definitive concurrent cisplatin-based chemotherapy and external beam radiation therapy 50.4 Gy in 28 fractions followed by planned prescription dose of 7 Gy × 4 fractions of high-dose-rate IGBT was retrospectively reviewed...
November 2, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27811909/fusobacterium-nucleatum-in-colorectal-carcinoma-tissue-according-to-tumor-location
#12
Kosuke Mima, Yin Cao, Andrew T Chan, Zhi Rong Qian, Jonathan A Nowak, Yohei Masugi, Yan Shi, Mingyang Song, Annacarolina da Silva, Mancang Gu, Wanwan Li, Tsuyoshi Hamada, Keisuke Kosumi, Akiko Hanyuda, Li Liu, Aleksandar D Kostic, Marios Giannakis, Susan Bullman, Caitlin A Brennan, Danny A Milner, Hideo Baba, Levi A Garraway, Jeffrey A Meyerhardt, Wendy S Garrett, Curtis Huttenhower, Matthew Meyerson, Edward L Giovannucci, Charles S Fuchs, Reiko Nishihara, Shuji Ogino
OBJECTIVES: Evidence suggests a possible role of Fusobacterium nucleatum in colorectal carcinogenesis, especially in right-sided proximal colorectum. Considering a change in bowel contents and microbiome from proximal to distal colorectal segments, we hypothesized that the proportion of colorectal carcinoma enriched with F. nucleatum might gradually increase along the bowel subsites from rectum to cecum. METHODS: A retrospective, cross-sectional analysis was conducted on 1,102 colon and rectal carcinomas in molecular pathological epidemiology databases of the Nurses' Health Study and the Health Professionals Follow-up Study...
November 3, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27790072/dosimetric-influence-of-photon-beam-energy-and-number-of-arcs-on-volumetric-modulated-arc-therapy-in-carcinoma-cervix-a-planning-study
#13
Girigesh Yadav, Manindra Bhushan, Abhinav Dewan, Upasna Saxena, Lalit Kumar, Deepika Chauhan, Kothanda Raman, Swarupa Mitra, Mahammood Suhail
AIM: Aim of the present study was to compare the dosimetric impact of different photon beam energies and number of arcs in the treatment of carcinoma cervix. BACKGROUND: Carcinoma cervix is a common cancer in women worldwide with a high morbidity rate. Radiotherapy is used to treat such tumours. Volumetric Modulated Arc Therapy (VMAT) is considered superior to other techniques with multiple arcs and energies. MATERIALS AND METHODS: Twenty patients with carcinoma cervix underwent radiotherapy in a prospective observation study conducted at our institute...
January 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/27789176/-rectal-squamous-cell-carcinoma-treatment-retrospective-experience-in-two-french-university-hospitals-review-and-proposals
#14
A Schernberg, S Servagi-Vernat, G Loganadane, E Touboul, J-F Bosset, F Huguet
After publishing a retrospective series of 23 patients treated for a rectal squamous cell carcinoma with exclusive curative and conservative intent chemoradiation, we aim to propose a review of the literature about this rare tumour. We identified 11 retrospective studies, on 106 patients, treated between 2007 and 2016. Treatment of rectal squamous cell carcinoma should be similar to anal carcinoma, based on exclusive chemoradiation, displaying a 5-year overall survival rate over 80%, while it was 32% in surgical series...
December 2016: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/27784970/combination-of-three-gene-immunohistochemical-panel-and-magnetic-resonance-imaging-detected-extramural-vascular-invasion-to-assess-prognosis-in-non-advanced-rectal-cancer-patients
#15
Xiao-Fu Li, Zheng Jiang, Ying Gao, Chun-Xiang Li, Bao-Zhong Shen
AIM: To identify a small, clinically applicable immunohistochemistry (IHC) panel that could be combined with magnetic resonance imaging (MRI)-detected extramural vascular invasion (EMVI) for assessment of prognosis concerning the non-advanced rectal cancer patients prior to operation. METHODS: About 329 patients with pathologically confirmed rectal carcinoma (RC) were screened in this research, all of whom had been examined via an MRI and were treatment-naïve from July 2011 to July 2014...
October 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27781400/comparison-of-outcomes-between-rectal-squamous-cell-carcinoma-and-adenocarcinoma
#16
Max S Chiu, Vivek Verma, Nathan R Bennion, Abhijeet R Bhirud, Jinluan Li, Mary E Charlton, Chandrakanth Are, Chi Lin
Large, population-based analyses of rectal squamous cell carcinoma (SCC) have not been previously conducted. We assessed patterns of care, prognostic factors, and outcomes of rectal SCC and adenocarcinoma (AC) in population-based cohorts. Surveillance, Epidemiology, and End Results (SEER) registry searches were performed (1998-2011), producing 42,308 nonmetastatic rectal cancer patients (999 SCC and 41,309 AC). Patient, tumor, and treatment characteristics were compared. Based on risk factors, SCC/AC groups were subdivided into low-, intermediate-, and high-risk groups...
October 26, 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27780077/association-of-cigarette-smoking-and-microrna-expression-in-rectal-cancer-insight-into-tumor-phenotype
#17
Lila E Mullany, Jennifer S Herrick, Roger K Wolff, John R Stevens, Martha L Slattery
Smoking is known to influence messenger RNA (mRNA) expression in colorectal cancer (CRC) cases. As microRNAs (miRNAs) are known repressors of mRNAs, we hypothesize that smoking may influence miRNA expression, thus altering mRNA expression. Our sample consisted of 1447 CRC cases that had normal colorectal mucosa and carcinoma miRNA data and lifestyle data. We examined current smoking, current versus never and former versus never (C/F/N) smoking(1), and pack-years smoked with miRNA expression in normal mucosa as well as differential miRNA expression between paired normal and carcinoma tissue for colon and rectal tissue to determine associations between smoking and miRNA expression...
December 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/27780000/complications-of-diverting-ileostomy-after-low-anterior-resection-for-rectal-carcinoma
#18
Sean Maroney, Carlos Chavez de Paz, Marjunphilip Duldulao, Tracey Kim, Mark E Reeves, Kevork K Kazanjian, Naveenraj Solomon, Carlos Garberoglio
There have been few studies directly comparing the postoperative complications in patients with a diverting ileostomy to patients who were not diverted after low anterior resection (LAR) for rectal carcinoma. This study is a retrospective chart review of all rectal carcinoma patients (99) who underwent a LAR from January 2009 to December 2014 at Loma Linda University Medical Center and Veterans Affairs Loma Linda Healthcare System. A majority of patients were diverted (58% vs 42%). The diverted patients were more likely to have a low tumor location (P < 0...
October 2016: American Surgeon
https://www.readbyqxmd.com/read/27779668/peptide-mimics-of-a-carbohydrate%C3%A2-associated-epitope-expressed-by-cancer-cells-identification-of-vaccine-candidates
#19
Liyan Wen, Sha Yang, Ping Zhu, Yingxin Yu, Xiaoyan Qiu, Ning Fu, Yanjun Liu
Cancer-associated antigen 215 (CA215) is an immunoglobulin molecule expressed by numerous tumor types. Membrane‑bound and soluble CA215 have been detected in the majority of cancer cells and rarely identified in normal tissues. In addition, CA215C is a carbohydrate‑associated epitope in the variable region of CA215, which is specifically recognized by the monoclonal antibody, RP215. However, CA215C is not a suitable vaccine candidate as it is a thymus‑independent antigen. In the present study, RP215 was used as a target to screen short peptide mimics of CA215C from a phage display peptide library...
October 19, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27778072/robotic-site-adjusted-levator-transection-for-carcinoma-of-the-rectum-a-modification-of-the-existing-cylindrical-abdominoperineal-resection-for-eccentrically-located-tumors
#20
Ajit Pai, Saleh Mohamed Eftaiha, George Melich, John J Park, Pey-Yi Kevin Lin, Leela M Prasad, Slawomir J Marecik
BACKGROUND: Today, extralevator abdominoperineal resection is the standard of care for low rectal cancers with sphincter involvement or location precluding anastomosis. This procedure, while effective from an oncologic point of view, is morbid, with a high incidence of wound complications and genitourinary, and sexual dysfunction. We present a modification of this procedure via a robotic approach, which maintains the radicality while reducing the soft tissue loss and potentially the morbidity...
October 24, 2016: World Journal of Surgery
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