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https://www.readbyqxmd.com/read/29220096/hepatic-progenitor-cells-in-metastatic-liver-carcinomas
#1
Ioanna Delladetsima, Stratigoula Sakellariou, Olivier Govaere, Elpida Poulaki, Evangelos Felekouras, Dina Tiniakos
AIMS: Hepatic progenitor cells (HPCs) are activated in various liver diseases but their role in carcinomatous environment remains unknown. We aimed to identify the possible presence and topography of HPCs in liver metastases. METHODS: We examined 14 liver resection specimens for colorectal adenocarcinoma (CRC) (n=13) and anal squamous cell carcinoma (SCC) (n=1) metastases. Immunohistochemical markers of colonic (keratin 20-K20, CDX2) and squamous cell origin (p63), HPC (K19, CD56) and stem cell (CD44) markers, and the biliary marker K7 which may also highlight HPCs were applied on routinely processed tissue sections...
December 8, 2017: Histopathology
https://www.readbyqxmd.com/read/29216355/prevalence-of-and-risk-factors-for-anal-hpv-among-a-sample-of-predominantly-black-men-who-have-sex-with-men-in-houston-texas
#2
Alan G Nyitray, Kayo Fujimoto, Jing Zhao, Anna R Giuliano, John A Schneider, Lu-Yu Hwang
Introduction: Young men who have sex with men (MSM) are at increased risk for human papillomavirus (HPV)-associated disease as a result of HPV infection. Our objective was to characterize high-risk anal HPV prevalence, and factors associated with prevalence, among a group of young, primarily black, MSM in Houston, Texas. Background: Young MSM, aged 18-29 years, were recruited using a respondent-driven sampling method to study HIV/STD transmission and risk. The current analysis estimated HPV prevalence among 135 primarily young black MSM who engaged in peer recruitment chains and who self-collected anal exfoliated cells...
December 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29215573/the-use-of-liposomes-and-nanoparticles-as-drug-delivery-systems-to-improve-cancer-treatment-in-dogs-and-cats
#3
REVIEW
Katarzyna Zabielska-Koczywąs, Roman Lechowski
BACKGROUND: Cancer remains a leading cause of death in companion animals. In human medicine, liposomes and nanoparticles have been extensively investigated as drug delivery systems (DDS) for anticancer agents due to their ability to target cancerous cells and reduce the negative side effects of free cytostatic drugs. In this review, the authors discuss the results of clinical trials using liposomes and polymer-based nanoparticles as DDS to improve cancer treatment in dogs and cats, indicating which ones seem worth further evaluation...
December 7, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29215481/trends-in-surgeon-level-utilization-of-sacral-nerve-stimulator-implantation-for-fecal-incontinence-in-new-york-state
#4
Zhaomin Xu, Fergal J Fleming, Carla F Justiniano, Adan Z Becerra, Courtney I Boodry, Christopher T Aquina, Larissa K Temple, Jenny R Speranza
BACKGROUND: There is a paucity of real-world data regarding surgeon utilization of sacral nerve stimulation for fecal incontinence compared with anal sphincteroplasty. OBJECTIVE: This study aims to examine trends in sacral nerve stimulation use compared with sphincteroplasty for fecal incontinence and surgeon-level variation in progression to implantation of the pulse generator. DESIGN: This is a population-based study. PATIENTS: Patients with fecal incontinence between 2011 and 2014 in New York who underwent stage 1 of the sacral nerve stimulation procedure were selected...
January 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29213359/influence-of-radiation-treatment-technique-on-outcome-and-toxicity-in-anal-cancer
#5
Elisha T Fredman, May Abdel-Wahab, Aryavarta M S Kumar
Objective: Intensity-modulated radiation therapy (IMRT) has largely supplanted three-dimensional conformal radiation (3D-CRT) for definitive anal cancer treatment due to decreased toxicity and potentially improved outcomes. Convincing data demonstrating its advantages, however, remain limited. We compared outcomes and toxicity with concurrent chemotherapy and IMRT vs 3D-CRT for anal cancer. Methods: We performed a single-institution retrospective review of patients treated with IMRT or 3D-CRT as part of definitive mitomycin-C/5-fluorouricil-based chemoradiation for anal cancer from January 2003 to December 2012...
2017: Journal of Radiation Oncology
https://www.readbyqxmd.com/read/29212617/diagnostic-role-of-anal-sphincter-relaxation-integral-in-high-resolution-anorectal-manometry-for-hirschsprung-disease-in-infants
#6
Jia-Feng Wu, Cheng-Hsun Lu, Chia-Hsiang Yang, I-Jung Tsai
OBJECTIVE: To investigate the possible diagnostic role of anal sphincter relaxation integral (ASRI) in high-resolution anorectal manometry (HRAM) for Hirschsprung disease. STUDY DESIGN: We performed conventional anorectal manometry (ARM) in 24 infants (8 with Hirschsprung disease and 16 without Hirschsprung disease) and HRAM in another 21 infants (9 with Hirschsprung disease and 12 without Hirschsprung disease) before and after October 2014. All infants underwent rectal suction biopsy for confirmation of Hirschsprung disease...
December 4, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29212476/the-role-of-endoscopic-ultrasound-in-children-with-pancreatobiliary-and-gastrointestinal-disorders-a-single-center-series-and-review-of-the-literature
#7
Alessandro Fugazza, Barbara Bizzarri, Federica Gaiani, Marco Manfredi, Alessia Ghiselli, Pellegrino Crafa, Maria Clotilde Carra, Nicola de'Angelis, Gian Luigi de'Angelis
BACKGROUND: The role of endoscopic ultrasound (EUS) in the management of pancreatobiliary and digestive diseases is well established in adults, but it remains limited in children. The aim of this study was to evaluate the feasibility, safety, and clinical impact of EUS use in children. METHODS: This is a retrospective analysis of a prospectively acquired database of consecutive pediatric (< 18 years) patients presenting an indication for EUS for pancreatobiliary and gastrointestinal disorders...
December 6, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/29199142/high-risk-of-anal-and-rectal-cancer-in-patients-with-anal-and-or-perianal-crohn-s-disease
#8
Laurent Beaugerie, Fabrice Carrat, Stéphane Nahon, Jean-David Zeitoun, Jean-Marc Sabate, Laurent Peyrin-Biroulet, Jean-Frédéric Colombel, Matthieu Allez, Jean-François Fléjou, Julien Kirchgesner, Magali Svrcek
BACKGROUND AND AIMS: Little is known about the magnitude of the risk of anal and rectal cancer in patients with anal and/or perineal Crohn's disease. We aimed to assess the risk of anal and rectal cancer in patients with Crohn's perianal disease followed in the Cancers Et Surrisque Associé aux Maladies inflammatoires intestinales En France (CESAME) cohort. METHODS: We collected data from 19,486 patients with Inflammatory Bowel Disease (IBD) enrolled in the observational CESAME study in France, from May 2004 through June 2005; 14...
November 30, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29198537/healthcare-utilization-and-comorbidities-associated-with-anorectal-malformations-in-the-united-states
#9
Karlo Kovacic, Sravan R Matta, Katja Kovacic, Casey Calkins, Ke Yan, Manu R Sood
OBJECTIVE: To determine nationwide prevalence and healthcare utilization in children with anorectal malformations and associated anomalies over a 6-year period. STUDY DESIGN: We used the Kids' Inpatient Database for the years 2006, 2009, and 2012 for data collection. International Classification of Diseases, Ninth Revision codes were used to identify patients with anorectal malformations and associated anomalies. RESULTS: A total of 2396 children <2 years of age with anorectal malformations were identified using weighted analysis; 54...
November 30, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29190183/a-long-term-follow-up-of-a-new-surgery-method-laparoscope-assisted-heart-shaped-anastomosis-for-hirschsprung-s-disease
#10
Chunlei Jiao, Donghai Yu, Dandan Li, Guo Wang, Jiexiong Feng
BACKGROUND: Laparoscopic surgery is widely used in the treatment of Hirschsprung's disease (HD). However, constipation and soiling are still the main long-term complications. A new type of anastomosis, which is characterized by a heart-shaped colorectal anastomosis after splitting the posterior rectum wall to 0.5 cm above the dentate line, has been improved by our medical center. The purpose of this study was to determine the long-term effects of laparoscope-assisted heart-shaped anastomosis (LHSA) and to compare it with a more generally applied approach, the laparoscope-assisted Soave procedure (LSP)...
November 30, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29182899/five-year-experience-of-the-treatment-of-squamous-cell-carcinoma-of-the-anus
#11
C A Leo, C Santorelli, J D Hodgkinson, O Bidovaneta, F Baldelli, F Cantarella, E Cavazzoni
OBJECTIVES: The best treatment of early stage anal squamous cell carcinoma (SCC) is under debated. Wide local excision (WLE) may be considered adequate for stage 1 anal margin cancer. This study demonstrates our experience in treatment of patients with SCC over 5 years. PATIENTS AND METHODS: We conducted a retrospective study of patients who had undergone anal screening or anal cancer surveillance between October 2010 and 2015 in our department. Each patient underwent anal Pap test, HPV test PCR HPV DNA and cytology by Thin Prep...
July 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/29181074/hindgut-neuroendocrine-neoplasms-characteristics-and-prognosis
#12
Paweł Gut, Joanna Waligórska-Stachura, Agata Czarnywojtek, Nadia Sawicka-Gutaj, Maciej Bączyk, Katarzyna Ziemnicka, Kosma Woliński, Ariadna Zybek, Jakub Fischbach, Marek Ruchała
Introduction: The aim of the study was to analyze the clinicopathologic characteristics and prognostic factors of hindgut-rectal neuroendocrine neoplasms. Material and methods: The study included 38 patients with rectal neuroendocrine tumors who were treated at the Department of Endocrinology, Metabolism and Internal Diseases, Poznan University of Medical Sciences, Poznan, Poland from February 2010 to December 2015. The clinicopathological data were retrospectively reviewed, extracted, analyzed, and patients were followed up to determine their survival status...
October 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29179876/syndemic-synergy-of-hpv-and-other-sexually-transmitted-pathogens-in-the-development-of-high-grade-anal-squamous-intraepithelial-lesions
#13
Jenny C McCloskey, W Martin Kast, James P Flexman, Dugald McCallum, Martyn A French, Michael Phillips
BACKGROUND: Anal intraepithelial neoplasia is associated with high-risk human papillomavirus (hrHPV) as a precursor to anal cancer. However, factors other than hrHPV are likely to be involved and further study of cofactors is required because of the possibility of syndemic interactions. METHODS: Three hundred and fourteen patients underwent 457 operations. Histopathology and hrHPV testing using the Digene Hybrid Capture 2 (HC 2) method were performed. Demographic factors and sexually transmissible infections (STIs) were recorded...
December 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/29179287/interest-of-anorectal-manometry-during-long-term-follow-up-of-patients-operated-on-for-hirschsprung-s-disease
#14
Viet Q Tran, Tania Mahler, Patrick Bontems, Dinh Q Truong, Annie Robert, Philippe Goyens, Henri Steyaert
Background/Aims: Although many advances in the management of Hirschsprung's disease have recently been achieved, postoperative outcomes of these patients remain difficult in a non-negligible number of cases. Therefore, this study aims at investigating characteristics of anorectal manometry and its relationship with postoperative outcomes during long-term follow-up in Hirschsprung patients. Methods: Patients over 4 years of age operated on for Hirschsprung's disease were interviewed to complete detailed questionnaires on bowel function...
November 25, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/29164476/diverticular-colitis-with-progression-to-ulcerative-colitis-after-sigmoidectomy
#15
Atsuyo Ikeda, Tsunekazu Mizushima, Yutaro Egashira, Hidekazu Takahashi, Norikatsu Miyoshi, Naotsugu Haraguchi, Taishi Hata, Chu Matsuda, Yuichiro Doki, Masaki Mori
Diverticular colitis is chronic inflammation of the colon where diverticula are present. The endoscopic and histopathological findings of this disease are sometimes similar to those of ulcerative colitis, and several reports describe cases of diverticular colitis that progressed to typical ulcerative colitis. A 77-year-old woman with intramesenteric penetration of the sigmoid diverticulum underwent low anterior resection. One month later, the patient experienced anastomotic leakage, and transverse colostomy was performed...
November 21, 2017: Clinical Journal of Gastroenterology
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
#16
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...
November 20, 2017: Oncologist
https://www.readbyqxmd.com/read/29155985/a-systematic-review-the-management-and-outcomes-of-ileal-pouch-strictures
#17
Jonathan P Segal, Guy Worley, Samuel O Adegbola, Kapil Sahnan, Philip Tozer, Phillip F C Lung, Omar D Faiz, Susan K Clark, Ailsa L Hart
Background: Restorative proctocolectomy with ileal pouch-anal anastomosis removes the diseased tissue in ulcerative colitis but also allows gastrointestinal continuity and stoma-free living. Pouch strictures are a complication with a reported incidence of 5-38%. The three areas where pouch strictures occur are in the pouch inlet, mid-pouch and pouch-anal anastomosis. Aim: To undertake a systematic review of the literature and to identify management strategies available for pouch-anal, mid-pouch and pre-pouch ileal strictures and their outcomes...
November 16, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29154688/substance-use-and-cognitive-function-as-drivers-of-condomless-anal-sex-among-hiv-positive-gay-bisexual-and-other-men-who-have-sex-with-men-aged-50-and-older-the-gold-studies
#18
Sandra A Kupprat, Kristen D Krause, Danielle C Ompad, Perry N Halkitis
PURPOSE: Substance use has been linked to the sexual transmission of HIV among gay, bisexual, and other men who have sex with men (MSM) across the lifespan. Among older, HIV-positive, MSM populations, cognitive dysfunction associated with age and HIV disease progression also may play a role in sexual risk-taking. People aged 50 years and older represent a growing proportion of the overall HIV-positive population. This study aimed to explore relationships between substance use and cognitive function, and their impact on condomless anal sex (CAS) among HIV-positive gay, bisexual, and other MSM aged 50 years and older...
November 20, 2017: LGBT Health
https://www.readbyqxmd.com/read/29154519/current-treatments-for-anal-condylomata-acuminata
#19
Massimiliano Mistrangelo, Ivano Dal Conte, Silvio Volpatto, Giulio DI Benedetto, Valentina Testa, Francesca Currado, Mario Morino
INTRODUCTION: Condylomata acuminate are the most common sexually transmitted disease worldwide. They are usually a serious problem, but it causes emotional distress to patient and physician alike because of its marked tendency to recurrence. The presence of anogenital warts mandates treatment, also for potential degeneration of the lesions. EVIDENCE ACQUISITION: A review of the Literature has been performed to analyze proposed treatments for anogenital warts. EVIDENCE SYNTHESIS: Many treatments have been employed...
November 20, 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/29147643/renal-vein-tumor-thrombus-from-metastatic-anal-gland-adenocarcinoma
#20
Ari Bernstein, Judy Sarungbam, Victoria Chernyak, Lakshmi Rajdev, Evan Kovac
A 62-year-old female with a history of anal gland adenocarcinoma presents with metastatic disease to the kidney with renal vein tumor thrombus extending into the inferior vena cava (IVC). Metastatic disease to the kidney with renal vein tumor thrombus is extremely rare with only several cases described in the literature. We present the first reported case of metastatic anal gland adenocarcinoma to the kidney with renal vein tumor thrombus.
January 2018: Urology Case Reports
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