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https://www.readbyqxmd.com/read/28547933/hybrid-approach-using-laparoscopy-and-transanal-minimally-invasive-surgery-to-treat-rectal-cancer-with-invasion-to-the-seminal-vesicles
#1
Takuya Yamaguchi, Minoru Imai, Dai Uematsu
We treated a 64-year-old man for rectal cancer with direct invasion to the seminal vesicles and no distant metastases by complete resection with laparoscopy and transanal minimally invasive surgery (TAMIS). We inserted the TAMIS device into the anal canal to above the anorectal ring and dissected to prostate level. High ligation of the inferior mesenteric artery and vein was performed by standard medial laparoscopy. The sigmoid and descending colon were mobilized, and in the postrectal space, we dissected to the space made by TAMIS...
May 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28533806/second-salvage-high-dose-rate-brachytherapy-for-radiorecurrent-prostate-cancer
#2
Metha Maenhout, Marco van Vulpen, Marinus Moerland, Max Peters, Richard Meijer, Maurice van den Bosch, Paul Nguyen, Steven Frank, Jochem van der Voort van Zyp
PURPOSE: Salvage treatments for localized radiorecurrent prostate cancer can be performed safely when a focal and image guided approach is used. Due to the low toxicity, the opportunity exists to investigate a second salvage treatment when a second locally recurrent prostate cancer occurs. Here, we describe a second salvage treatment procedure of 4 patients. MATERIAL AND METHODS: Four patients with a pathologically proven second local recurrence were treated in an outpatient magnetic resonance imaging (MRI)-guided setting with a single fraction of 19 Gy focal high-dose-rate brachytherapy (HDR-BT)...
April 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28531909/racial-and-ethnic-disparities-in-interval-colorectal-cancer-incidence-a-population-based-cohort-study
#3
Stacey A Fedewa, W Dana Flanders, Kevin C Ward, Chun Chieh Lin, Ahmedin Jemal, Ann Goding Sauer, Chyke A Doubeni, Michael Goodman
Background: Interval colorectal cancer (CRC) accounts for 3% to 8% of all cases of CRC in the United States. Data on interval CRC by race/ethnicity are scant. Objective: To examine whether risk for interval CRC among Medicare patients differs by race/ethnicity and whether this potential variation is accounted for by differences in the quality of colonoscopy, as measured by physicians' polyp detection rate (PDR). Design: Population-based cohort study...
May 23, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28525602/aloin-a-component-of-the-aloe-vera-plant-leaf-induces-pathological-changes-and-modulates-the-composition-of-microbiota-in-the-large-intestine-of-f344-n-male-rats
#4
Mary D Boudreau, Greg R Olson, Volodymyr P Tryndyak, Matthew S Bryant, Robert P Felton, Frederick A Beland
In a previous study, the oral administration of an Aloe vera whole leaf extract induced dose-related mucosal and goblet cell hyperplasia in the rat colon after 13-weeks and colon cancer after two years. The primary goal of this study was to determine whether or not the administration of aloin, a component of the Aloe vera plant leaf, would replicate the pathophysiological effects that were observed in rats in the previous study with an Aloe vera whole leaf extract. Groups of 10 male F344/N rats were administered aloin at 0, 6...
May 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28521759/dosimetric-comparison-of-interstitial-brachytherapy-with-multi-channel-vaginal-cylinder-plans-in-patients-with-vaginal-tumors
#5
Lucas C Mendez, Moti Paudel, Matt Wronski, Ananth Ravi, Lisa Barbera, Eric Leung
BACKGROUND: To evaluate the dosimetric performance of multi-channel vaginal cylinder (MCVC) against interstitial brachytherapy (ISBT) for the treatment of vaginal tumors. METHODS: Vaginal tumors with extension of > 0.5 cm and ≤ 2 cm from the lateral vaginal wall and/or ≤ 1 cm in height above the vaginal vault were retrospectively selected from a ISBT registry trial database. The selected patients were treated with ISBT and targets included the intermediate (IRCTV) or high-risk (HRCTV) clinical target volumes...
May 18, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28516398/gynecological-brachytherapy-for-postoperative-endometrial-cancer-dosimetric-analysis-ir-192-vs-co-60
#6
V Tormo Ferrero, R Duque Ugarte, M Á Berenguer Francés, R Cardenal Maciá
INTRODUCTION: Endovaginal brachytherapy treatment dosimetry differences were studied using Ir-192 or Co-60 sources for postoperative endometrial cancer. MATERIALS AND METHODS: A prospective descriptive study was conducted. Thirty-six dosimetry plans of different patients were studied (15 by Ir-192 and 21 by Co-60). Variables studied included D2cc Rectum, D2cc Bladder, D2cc Sigmoid, dose percentage at point 0 (applicator surface on the top of the cylinder) and dose percentage at point 1 (5 mm deep on the top of the cylinder)...
May 17, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28516110/large-bowel-obstruction-following-endoscopic-spray-cryotherapy-for-palliation-of-rectal-cancer-bleeding
#7
Ravi Prakash, Digant Gupta, Pankaj Vashi
We report a unique case of a 79-year-old woman with metastatic rectal cancer who developed bowel obstruction following endoscopic cryotherapy with liquid nitrogen for palliation of bleeding in the rectum. She developed abdominal distention and pain following the procedure. Computed tomography of the abdomen revealed a paraumbilical hernia containing a segment of transverse colon resulting in partial bowel obstruction. It appears that the recurrent freeze-thaw cycles with poor decompression of the colon despite active venting suction during cryotherapy may have resulted in bowel distention and collapse, causing conformational changes resulting in partial bowel obstruction due to a paraumbilical hernia...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28512795/influence-of-primary-site-on-metastatic-distribution-and-survival-in-stage-iv-colorectal-cancer
#8
Arul E Suthananthan, Mayank Bhandari, Cameron Platell
BACKGROUND: To assess pattern distribution and prognosis of the three anatomical entities of metastatic colorectal cancer, and influence of treatment of metastases on survival. METHODS: Patients presenting with stage IV colorectal cancer (synchronous group), or who developed metastatic recurrence (metachronous group) after initial curative treatment between January 2005 and August 2015 were reviewed. Right sided (cecum to transverse colon), left sided (splenic flexure to sigmoid colon) and rectal cancers were identified...
May 16, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28511430/study-on-the-relation-between-colorectal-cancer-and-gall-bladder-disease
#9
Siddharth Gosavi, R Rama Mishra, Vsm Praveen Kumar
INTRODUCTION: Colorectal cancer is cancer of the large intestine, the lower part of digestive system which includes the sigmoid colon and rectum. AIM: To study the relation of incidence of colorectal cancer with previous gall bladder disease or post-cholecystectomy status, a relation between gall bladder disease and smoking in particular and the most common region of colon involved in colorectal cancer in gall bladder disease and non-gall bladder disease patients...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509325/an-alternative-approach-to-gynecological-wound-healing
#10
Jakub Rzepka, Katarzyna Mosoń, Romuald Dębski
An 89-year-old woman was reffered to our Clinic with vulvar cancer. She also suffered from obesity [with body mass index (BMI) 35 kg/m2], persistent hypertension, diabetes mellitus type 2 treated with oral medications. In 2015 she underwent a surgery due to endometrial carcinoma. Total abdominal hysterectomy with bilateral salphingoophorectomy, omentectomy and pelvical node dissection was performed (histopathology revealed adenocarcinoma serosum G2; FIGO stage Ib). In January 2016 after vulvar ulceration biopsy plano-epithelial squamous vulvar cancer was diagnosed...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28503955/new-insights-into-the-earliest-stages-of-colorectal-tumorigenesis
#11
Chelsie K Sievers, William M Grady, Richard B Halberg, Perry J Pickhardt
Tumors in the large intestine have been postulated to arise via a stepwise accumulation of mutations, a process that takes up to 20 years. Recent advances in lineage tracing and DNA sequencing, however, are revealing new evolutionary models that better explain the vast amount of heterogeneity observed within and across colorectal tumors. Areas Covered: A review of the literature supporting a novel model of colorectal tumor evolution was conducted. The following commentary examines the basic science and clinical evidence supporting a modified view of tumor initiation and progression in the colon...
May 15, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28503808/a-pilot-randomized-study-comparing-extralevator-with-conventional-abdominoperineal-excision-for-low-rectal-cancer-after-neoadjuvant-chemoradiation
#12
Ramakrishnan Ayloor Seshadri, Nicholas P West, Shirley Sundersingh
AIMS: The aims of this study were to assess the feasibility of performing an extralevator abdominoperineal excision (ELAPE) after neoadjuvant chemoradiation, to compare the rates of circumferential resection margin (CRM) involvement and intra-operative perforation (IOP) of the specimen, and to assess the amount of tissue removed around the muscularis propria (MP)/internal sphincter (IS) of the lower rectum in patients with low rectal cancer undergoing ELAPE as compared to conventional abdominoperineal excision (CAPE) after NCRT...
May 15, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28503257/trends-with-neoadjuvant-radiotherapy-and-clinical-staging-for-those-with-rectal-malignancies
#13
Sanjay S Reddy, Beth Handorf, Jeffrey M Farma, Elin R Sigurdson
AIM: To see how patterns of care changed over time, and how institution type effected these decisions. METHODS: A retrospective analysis was performed using the National Cancer Database, looking at all patients that were diagnosed with rectal cancer from 1998 to 2011. We tested differences in rates of treatment and stage migration using χ(2) tests and logistic regression models. RESULTS: A review of ninety thousand five hundred and ninety four subjects underwent multimodality therapy for cancer of the rectum...
April 27, 2017: World Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28501248/local-excision-of-rectal-cancer
#14
REVIEW
Daniel Owen Young, Anjali S Kumar
Local excision (LE) of early-stage rectal cancer avoids the morbidity associated with radical surgery but has historically been associated with inferior oncologic outcomes. Newer techniques, including transanal endoscopic microsurgery (TEM) and transanal minimally invasive surgery (TAMIS), have been developed to improve the quality of LE and extend the benefits of LE to tumors in the more proximal rectum. This article provides an overview of conventional LE, TEM, and TAMIS techniques, including indications for their use and pertinent literature on their associated outcomes for rectal cancer...
June 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28499627/clinical-application-of-moskin-dosimeters-to-rectal-wall-in-vivo-dosimetry-in-gynecological-hdr-brachytherapy
#15
M Carrara, A Romanyukha, C Tenconi, D Mazzeo, A Cerrotta, M Borroni, D Cutajar, M Petasecca, M Lerch, J Bucci, A Richetti, S Presilla, C Fallai, G Gambarini, E Pignoli, A Rosenfeld
PURPOSE: Three MOSkins dosimeters were assembled over a rectal probe and used to perform in vivo dosimetry during HDR brachytherapy treatments of vaginal cancer. The purpose of this study was to verify the applicability of the developed tool to evaluate discrepancies between planned and measured doses to the rectal wall. MATERIALS AND METHODS: MOSkin dosimeters from the Centre for Medical Radiation Physics are particularly suitable for brachytherapy procedures for their ability to be easily incorporated into treatment instrumentation...
May 9, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28499607/evaluation-of-intensity-modulated-radiation-therapy-dose-painting-for-localized-prostate-cancer-using-68-ga-hbed-cc-psma-pet-ct-a-planning-study-based-on-histopathology-reference
#16
Constantinos Zamboglou, Ilias Sachpazidis, Khodor Koubar, Vanessa Drendel, Rolf Wiehle, Simon Kirste, Michael Mix, Florian Schiller, Panayiotis Mavroidis, Philipp T Meyer, Martin Werner, Anca L Grosu, Dimos Baltas
PURPOSE: To demonstrate the feasibility and to evaluate the tumour control probability (TCP) and normal tissue complication probability (NTCP) of IMRT dose painting using (68)Ga-HBED-CC PSMA PET/CT for target delineation in prostate cancer (PCa). METHODS AND MATERIALS: 10 patients had PSMA PET/CT scans prior to prostatectomy. GTV-PET was generated on the basis of an intraprostatic SUVmax of 30%. Two IMRT plans were generated for each patient: Plan(77) which consisted of whole-prostate IMRT to 77Gy, and Plan(95) which consisted of whole-prostate IMRT to 77Gy and a simultaneous integrated boost to the GTV-PET up to 95Gy (35 fractions)...
May 9, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28497757/safety-and-tolerability-of-veliparib-combined-with-capecitabine-plus-radiotherapy-in-patients-with-locally-advanced-rectal-cancer-a-phase-1b-study
#17
Brian G Czito, Dustin A Deming, Gayle S Jameson, Mary F Mulcahy, Houman Vaghefi, Matthew W Dudley, Kyle D Holen, Angela DeLuca, Rajendar K Mittapalli, Wijith Munasinghe, Lei He, John R Zalcberg, Samuel Y Ngan, Philip Komarnitsky, Michael Michael
BACKGROUND: Further optimisation of present standard chemoradiation is needed in patients with locally advanced rectal cancer. Veliparib, an oral poly(ADP-ribose) polymerase inhibitor, has been shown to enhance the antitumour activity of chemotherapy and radiotherapy in preclinical models. We aimed to establish the maximum tolerated dose and establish the recommended phase 2 dose of veliparib combined with neoadjuvant capecitabine and radiotherapy. METHODS: This phase 1b, open-label, multicentre, dose-escalation study was done at six hospitals (one in Australia and five in the USA)...
June 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28494443/short-term-clinical-and-oncological-outcomes-after-single-incision-plus-one-port-laparoscopic-anterior-resection-for-rectal-cancer
#18
Yasumitsu Hirano, Masakazu Hattori, Kenji Douden, Mari Shimada, Yasuo Hashizume
AIM: In the past, we developed and reported single-incision plus one port laparoscopic anterior resection (SILS + 1-AR) of the rectum. In this study, we reviewed our experiences with 141 consecutive patients admitted in a community hospital for undergoing SILS + 1-AR for rectal cancer and evaluated the short-term clinical and oncological outcomes. METHODS: A lap protector (LP) was inserted through a 2.5 cm transumbilical incision; an EZ-access was mounted to the LP and three 5-mm ports were placed...
May 12, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28493008/role-of-family-history-and-tumor-location-on-prognosis-of-patients-with-colorectal-cancer-and-synchronous-metastases
#19
Colloca Giuseppe, Venturino Antonella
BACKGROUND/AIMS: Family history of colorectal cancer and tumor location along colon-rectum have been reported as prognostic factors. The aim of the current study is to analyze the role of both on overall survival in a series of patients with metastatic colorectal cancer with synchronous metastases. METHODS: A retrospective mono-institutional analysis has been performed on patients, who received chemotherapy from 2004 to 2008. A Cox proportional-hazards regression was used to calculate hazard ratio (HR) for death, after adjustment for other variables (tumor metastasectomy, number of organs involved with metastases, number of anti-neoplastic drugs, age, sex, tumor grade, baseline CEA)...
May 10, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28490723/incidence-and-clinical-characteristics-of-gastroenteropancreatic-neuroendocrine-tumor-in-korea-a-single-center-experience
#20
Chul-Hyun Lim, In Seok Lee, Byoung Yeon Jun, Jin Su Kim, Yu Kyung Cho, Jae Myung Park, Sang Young Roh, Myung Ah Lee, Sang Woo Kim, Myung-Gyu Choi
BACKGROUND/AIMS: Neuroendocrine tumors (NETs) may originate from heterogeneous neuroendocrine cells. The incidence is increasing worldwide, and World Health Organization (WHO) updated its classification in 2010. We investigated clinical characteristics of gastroenteropancreatic NETs in a single center. METHODS: Clinicopathologic characteristics of patients with pathologically confirmed gastroenteropancreatic NET in Seoul St. Mary Hospital from March 2009 to August 2011 were retrospectively analyzed...
May 2017: Korean Journal of Internal Medicine
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