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radiation proctitis

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https://www.readbyqxmd.com/read/29768539/evaluation-of-prophylactic-and-therapeutic-effects-of-sildenafil-on-acute-radiation-proctitis-in-rats
#1
Erkan Yavuz, Gulcin Ercan, Onur Olgac Karagulle, Busra Yaprak Bayrak, Aytac Biricik, Candas Ercetin, Berk Gokcek, Hakan Yigitbas, Ramazan Kusaslan, Atilla Celik, Osman Bilgin Gulcicek
PURPOSE: To investigate the prophylactic and therapeutical effects of sildenafil in a model of acute radiation proctitis (ARP). METHODS: All experimental procedures of this study was examined by histopathological, immunohistochemical and transmission electron microscopic analysis. RESULTS: Our histopathological evaluations indicated significant increases in lesion severity, cryptic apsis, cryptitis, cryptic distortion, reactive atypia and infiltration depth of the control (proctitis) group...
April 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29755913/concurrent-chemoradiation-affects-the-clinical-outcome-of-small-bowel-complications-following-pelvic-irradiation-prospective-observational-study-from-a-regional-cancer-center
#2
Velagala Jayapala Reddy, Sathasivam Sureshkumar, Chellappa Vijayakumar, Anandhi Amaranathan, Sundaramurthi Sudharsanan, Prem Shyama, Chinnakali Palanivel
Background To appraise the spectrum of small bowel complications following pelvic irradiation and to assess the clinical outcome and factors associated with adverse clinical outcome in these patients. Methods This descriptive clinical study was done for three years in a tertiary care center in South India. Patients managed for post-irradiation small bowel complications, irrespective of the indication for radiotherapy, were studied. Patients with associated non-gastrointestinal radiation toxicity, radiation proctitis, and radiation colitis were excluded...
March 13, 2018: Curēus
https://www.readbyqxmd.com/read/29678438/rectoprostate-fistula-after-endoscopic-treatment-of-radiation-proctitis
#3
Amanda K Cartee, Santhi S Vege, Joel G Fletcher
No abstract text is available yet for this article.
April 18, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29629351/evaluation-of-prophylactic-and-therapeutic-effects-of-ruscogenin-on-acute-radiation-proctitis-an-experimental-rat-model
#4
Erkan Yavuz, Onur Olgac Karagulle, Gulcin Ercan, Atilla Celik, Hakan Yigitbas, Busra Yaprak Bayrak, Rumeysa Tartar, Ramazan Kusaslan, Yuksel Altinel, Osman Bilgin Gulcicek
Purpose: Radiation proctitis (RP) is inflammation and damage to the rectum, manifested secondary to ionizing radiation utilized for treatment. In this study, we evaluated the anti-inflammatory therapeutical and protective effects of ruscogenin in a model of acute RP. Methods: Thirty-two Sprague-Dawley rats were divided into 4 groups (n = 8) as sham, control, treatment, and prophylaxis groups. Prophylaxis group and treatment group were dosed ruscogenin by oral gavage for 14 days pre- and postradiation...
April 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29588836/emerging-role-of-thalidomide-in-the-treatment-of-gastrointestinal-bleeding
#5
REVIEW
Michael McFarlane, Lauren O'Flynn, Rachel Ventre, Benjamin R Disney
Thalidomide was initially synthesised in 1954 and marketed as a sedative and antiemetic for morning sickness. It was withdrawn in 1961 due to the realisation that it was teratogenic with over 10 000 children born with congenital abnormalities. Since then it has been used for treatment of dermatological and oncological conditions, including myeloma. In 1994, it was found to have a potent antiangiogenic effect via downregulation of vascular endothelial growth factor (VEGF). This has led to its use in gastrointestinal bleeding, as vascular abnormalities such as angiodysplasia have been found to have elevated VEGF levels...
April 2018: Frontline Gastroenterology
https://www.readbyqxmd.com/read/29567823/cervical-cancer-in-ethiopia-the-effect-of-adherence-to-radiotherapy-on-survival
#6
Ulrike Moelle, Assefa Mathewos, Abreha Aynalem, Tigeneh Wondemagegnehu, Bekuretsion Yonas, Matthias Begoihn, Adamu Addissie, Susanne Unverzagt, Ahmedin Jemal, Christoph Thomssen, Dirk Vordermark, Eva J Kantelhardt
BACKGROUND: Discontinuation of radiotherapy (RT) for cervical cancer (CC) in sub-Saharan Africa is common because of patient- and health service-related reasons. This analysis describes toxicities and the effect of adherence on survival. MATERIALS AND METHODS: A total of 788 patients with CC (2008-2012) who received RT at Addis Ababa University Hospital were included. External beam RT without brachytherapy was performed according to local guidelines. We previously described survival and prognostic factors...
March 22, 2018: Oncologist
https://www.readbyqxmd.com/read/29405446/role-of-hemostatic-powders-in-the-management-of-lower-gastrointestinal-bleeding-a-review
#7
REVIEW
Fadi H Mourad, Rupert W Leong
Despite the recent advances in endoscopic hemostatic techniques, the management of lower gastrointestinal bleeding could be sometimes challenging. Hemostatic powders such as Hemospray, EndoClot, and Ankaferd Blood Stopper have found their way into digestive endoscopy and are licenced in many countries especially for use in upper gastrointestinal bleeding. We reviewed the literature on the use of these hemostatic powders in different situations in lower gastrointestinal bleeding and looked at the success rate and rebleeding rate...
February 6, 2018: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29348871/radiation-therapy-for-stage-iva-uterine-cervical-cancer-treatment-outcomes-including-prognostic-factors-and-risk-of-vesicovaginal-and-rectovaginal-fistulas
#8
Masaharu Hata, Izumi Koike, Etsuko Miyagi, Reiko Numazaki, Mikiko Asai-Sato, Hisashi Kaizu, Yuki Mukai, Shoko Takano, Eiko Ito, Madoka Sugiura, Tomio Inoue
Purpose: To evaluate the safety and efficacy of radiation therapy for stage IVA uterine cervical cancer and to identify an optimal radiation regimen. Results: Seventeen of the 28 patients developed recurrence after radiation therapy (local recurrence in 10 and distant metastasis in 12). The local control and distant metastasis-free rates at 3 years in all patients were 61% and 49%, respectively. Fourteen patients died after radiation therapy, and all but 2 died of tumor progression...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29250970/-image-guided-radiotherapy-for-muscle-invasive-bladder-cancer-with-intravesical-lipiodol-injection-a-new-option-for-bladder-sparing-treatment
#9
Jorgo Kliton, Csaba Polgár, Péter Tenke, Gábor Kovács, Tibor Major, Gábor Stelczer, Péter Ágoston
INTRODUCTION AND AIM: To implement lipiodol as a fiducial marker of the tumor bed for image-guided radiotherapy with simultaneous integrated boost technique as part of radiochemotherapy for muscle invasive bladder tumors. METHOD: Since April 2016, radiochemotherapy was performed in 3 male patients with muscle invasive, transitional cell bladder carcinoma. Prior to radiochemotherapy, tumor bed resection was performed for each patient, at the same time 10 ml of lipiodol solution was injected submucosally into the resection site, thus marking the tumor bed for escalated dose irradiation...
December 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29204159/what-pelvic-radiation-disease-symptoms-are-experienced-by-patients-receiving-external-beam-radiotherapy-and-a-high-dose-rate-brachytherapy-boost-for-prostate-cancer
#10
Georgia K B Halkett, Michala Short, Samar Aoun, David Joseph, Sean Bydder, Xingqiong Meng, Nigel Spry
Purpose: Research describing proctitis or pelvic radiation disease symptoms of prostate cancer patients one year after external beam radiotherapy (EBRT) plus high-dose-rate (HDR) brachytherapy is limited. This study aimed to assess prostate cancer patients' pelvic radiation disease symptoms from baseline to 12 months post-radiotherapy. Material and methods: Men with prostate cancer referred for EBRT and HDR brachytherapy were recruited. Patients' age, diagnosis, staging, PSA, past medical history, and treatment were recorded...
October 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29171166/outcomes-of-asian-patients-with-localized-prostate-cancer-treated-with-combined-intensity-modulated-radiation-therapy-imrt-and-high-dose-rate-hdr-brachytherapy-a-single-institution-experience
#11
Ivy Wei Shan Ng, Jeremy Chee Seong Tey, Yu Yang Soon, Michelle Shu Fen Tseng, Desiree Chen, Keith Hsiu Chin Lim
AIM: External beam radiotherapy (EBRT) followed by high dose rate (HDR) brachytherapy boost has demonstrated minimal toxicities and improved disease control rate compared with EBRT alone in observational and randomized studies with predominantly Caucasian patients. This study aims to report the outcomes of patients treated with this approach in our predominantly Asian population. METHODS: Medical records for patients with localized prostate cancer who received combined EBRT delivered via intensity modulated radiotherapy (IMRT) technique followed by HDR brachytherapy boost were retrospectively reviewed...
November 23, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29158782/a-phase-ii-trial-of-preoperative-concurrent-chemotherapy-and-dose-escalated-intensity-modulated-radiotherapy-imrt-for-locally-advanced-rectal-cancer
#12
Jeremy Tey, Cheng Nang Leong, Wai Kit Cheong, Tay Guan Sze, Wei Peng Yong, Ivan Weng Keong Tham, Khai Mun Lee
Objectives: To determine the pathological response rates and toxicity and in patients with locally advanced rectal cancer treated with concurrent capecitabine and dose escalated intensity modulated radiotherapy (IMRT) Methods: Patients with stage II or III adenocarcinoma of the rectum were treated with preoperative concurrent capecitabine and IMRT. Dose of capecitabine was 825mg/m2 , 5 days a week for 5 weeks. IMRT was used to deliver a dose of 45Gy in 25 fractions (1.8Gy per fraction daily, 5 days a week over 5 weeks) to the regional lymphatics and areas at risk of harbouring microscopic disease...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29158365/phase-ii-trial-using-a-combination-of-oxaliplatin-capecitabine-and-celecoxib-with-concurrent-radiation-for-newly-diagnosed-resectable-rectal-cancer
#13
Emilio P Araujo-Mino, Yehuda Z Patt, Cristina Murray-Krezan, Joshua A Hanson, Pranshu Bansal, Ben J Liem, Ashwani Rajput, M Houman Fekrazad, Glenory Heywood, Fa Chyi Lee
LESSONS LEARNED: Colorectal cancers exhibit a high level of cyclooxygenase-2 (COX-2) expression with strong preclinical rationale for improved clinical outcomes with COX-2 inhibition. Celecoxib is a COX-2 inhibitor and we have shown that it can be safely combined with capecitabine and oxaliplatin as part of neoadjuvant treatment with radiation therapy (RT) in rectal cancer.There was a significant improvement in skin toxicity with this combination as compared with historical data. Considering the field has moved on to single-agent capecitabine, we believe future trials with capecitabine and celecoxib hold potential...
January 2018: Oncologist
https://www.readbyqxmd.com/read/29151782/salvage-low-dose-rate-brachytherapy-for-recurrent-prostate-cancer-after-external-beam-radiotherapy-results-from-a-single-institution-with-focus-on-toxicity-and-functional-outcomes
#14
F Barbera, L Triggiani, M Buglione, P Ghirardelli, P Vitali, B Caraffini, P Borghetti, D Greco, L Bardoscia, N Pasinetti, L Costa, M Maddalo, B Ghedi, B La Face, S M Magrini
Background/aim: Low dose rate brachytherapy has been used as salvage therapy for locally recurrent prostate cancer (PC) after primary external beam radiation therapy (EBRT), along with surgery and cryotherapy. All these techniques, in particular, when applied to the whole gland, involve a relatively high risk of toxicity and may worsen the patient's quality of life. Our aim is to evaluate the results of whole-gland salvage brachytherapy (SBT) after primary EBRT in terms of toxicity, functional outcomes, and efficacy...
2017: Clinical Medicine Insights. Oncology
https://www.readbyqxmd.com/read/29130230/-protective-measures-in-laparoscopic-resection-for-upper-or-mid-rectal-cancer-and-sigmoid-colon-cancer-with-transrectal-specimen-extraction-surgery
#15
Chuangang Fu, Zhuqing Zhou, Junyi Han, Bin Lu, Wei Gao, Zhe Zhu, Qixin Jiang, Fang Ji, Tao Du
OBJECTIVE: To introduce the use of a self-made specimen protective sleeve in laparoscopic resection for upper or mid rectal cancer and sigmoid colon cancer with transrectal specimen extraction surgery and the improvement of implantation method, so as to avoid and reduce bacterial contamination and tumor cell dissemination in abdominal cavity. METHODS: During June 2015 and May 2017, 48 cases of high located rectal or sigmoid colon cancer were operated laparoscopically with natural orifices specimen extraction surgery (NOSES) using a self-made specimen protecting sleeve...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29129577/pelvic-bone-anatomy-vs-implanted-gold-seed-marker-registration-for-image-guided-intensity-modulated-radiotherapy-for-prostate-carcinoma-comparative-analysis-of-inter-fraction-motion-and-toxicities
#16
Madhup Rastogi, Sambit Swarup Nanda, Ajeet Kumar Gandhi, Divakar Dalela, Rohini Khurana, Surendra Prasad Mishra, Anoop Srivastava, S Farzana, Madan Lal Brahma Bhatt, Nuzhat Husain
OBJECTIVES: We compared the prostate motion variability and toxicities between patients treated with gold marker registration based IG-IMRT (IG-IMRT-M) and bony landmark registration based IG-IMRT (IG-IMRT-B). METHODS: T1c-T3b (node negative), intermediate and high risk (non-metastatic) adenocarcinoma of prostate, age ≥18years, Karnofsky Performance Status of ≥70 were included in this retrospective study. The prostate motion variability, acute and late radiation toxicities between the two treatment arms (IG-IMRT-M versus IG-IMRT-B) were compared...
December 2017: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/29081376/new-indications-for-endoscopic-radiofrequency-ablation
#17
Thomas R McCarty, Tarun Rustagi
Radiofrequency ablation (RFA) is a well-established treatment for several benign, premalignant, and malignant disorders. Although the role of RFA has been clearly defined, new indications for luminal and extraluminal applications of endoscopic RFA-directed therapies have emerged. RFA has recently produced promising results in patients with a variety of gastrointestinal and hepatopancreatobiliary pathologies. For example, endoscopic RFA has been used to treat patients with gastric antral vascular ectasia, chronic radiation proctitis, malignant biliary strictures, and ampullary adenomas with intraductal extension...
January 15, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29080145/role-of-angiogenesis-in-chronic-radiation-proctitis-new-evidence-favoring-inhibition-of-angiogenesis-ex-vivo
#18
Peihuang Wu, Li Li, Huaiming Wang, Tenghui Ma, Haiyong Wu, Xinjuan Fan, Zihuan Yang, Daici Chen, Lei Wang
BACKGROUND: Chronic radiation proctitis (CRP), a common complication after radiotherapy for pelvic malignancies, compromises patient quality of life. Vascular damage and aberrant angiogenesis in the mucosal layer are essential histological features, but changes to the submucosal layer are unclear. Thus, we evaluated the histological characteristics and distribution changes of key angiogenic factors in full-layered human CRP samples. METHODS: Thirty paraffin-embedded CRP and twenty-nine non-CRP tissues were used to evaluate histopathological changes...
January 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28963746/expression-of-vascular-endothelial-growth-factor-vegf-and-its-correlation-with-clinical-symptoms-and-endoscopic-findings-in-patients-with-chronic-radiation-proctitis
#19
Radzislaw Trzcinski, Adam Dziki, Magdalena Brys, Malgorzata Moszynska-Zielinska, Justyna Chalubinska-Fendler, Michal Mik, Ryszard Kujawski, Lukasz Dziki
INTRODUCTION: The aim of this study was to assess the expression of vascular endothelial growth factor (VEGF) as a key proangiogenic factor and determine whether there is any correlation between its expression and clinical symptoms or endoscopic changes in patients with chronic radiation proctitis (ChRP). METHOD: Fifty patients who had all undergone radiotherapy for prostate, cervical and uterine cancers were included in the study (37 females, 13 males). There was a control group of 20 patients (9 females, 11 males)...
September 29, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28895000/endoscopic-diode-laser-therapy-for-chronic-radiation-proctitis
#20
Lino Polese, Lucia Marini, Roberto Rizzato, Edgardo Picardi, Stefano Merigliano
The purpose of this study is to determine the effectiveness of endoscopic diode laser therapy in patients presenting rectal bleeding due to chronic radiation proctitis (CRP). A retrospective analysis of CRP patients who underwent diode laser therapy in a single institution between 2010 and 2016 was carried out. The patients were treated by non-contact fibers without sedation in an outpatient setting. Fourteen patients (median age 77, range 73-87 years) diagnosed with CRP who had undergone high-dose radiotherapy for prostatic cancer and who presented with rectal bleeding were included...
January 2018: Lasers in Medical Science
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