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https://www.readbyqxmd.com/read/28501560/the-immune-microenvironment-and-hpv-in-anal-cancer-rationale-to-complement-chemoradiation-with-immunotherapy
#1
REVIEW
Daniel Martin, Franz Rödel, Panagiotis Balermpas, Claus Rödel, Emmanouil Fokas
Anal squamous cell carcinomas (ASCC) are increasing in frequency across the developed world, and 70-90% of all cases originate from infection with human papilloma viruses (HPV). Primary chemoradiotherapy (CRT) is the standard treatment for ASCC, but local and/or distant failure still occurs in up to 30% of patients. HPV-associated ASCC and tumors with a higher density of tumor infiltrating lymphocytes (TIL) carry a better prognosis. Furthermore, HPV can render tumors more immunogenic, whereas it correlates with elevated TIL densities...
May 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28480075/concurrent-chemoradiation-with-volumetric-modulated-arc-therapy-of-patients-treated-for-anal-cancer-acute-toxicity-and-treatment-outcome
#2
Kaloyan Yordanov, Simona Cima, Antonella Richetti, Gianfranco Pesce, Francesco Martucci, Ngwa Che Azinwi, Maria Carla Valli
BACKGROUND: to report the acute toxicity and clinical results in patients with anal cancer treated with volumetric modulated arc therapy (VMAT) concomitant with chemotherapy. METHODS: A cohort of 21 patients with histologically confirmed squamous cell carcinoma of the anal canal was treated with VMAT and chemotherapy. Dose prescription was 39.6 Gy, 1.8 Gy/ fraction for the elective nodal PTV, the macroscopic (tumor and involved lymph nodes) PTV doses were 14.4 Gy up to a total dose of 54 Gy in 4 patients and 19...
April 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28470395/irreversible-electroporation-to-treat-malignant-tumor-recurrences-within-the-pelvic-cavity-a-case-series
#3
L G P H Vroomen, H J Scheffer, M C A M Melenhorst, N van Grieken, M P van den Tol, M R Meijerink
OBJECTIVE: To describe the initial experience with irreversible electroporation (IRE) to treat pelvic tumor recurrences. METHODS: A retrospective single-center analysis was performed. Adverse events were recorded using Common Terminology Criteria of Adverse Events (CTCAE) 4.0. Clinical outcome was determined using pain- and general- symptom assessment, including Seddon's peripheral nerve injury (PNI) types. Radiological outcome was evaluated by comparing baseline with three-month 18F-FDG PET-CT follow-up...
May 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28469370/narrow-band-imaging-for-diagnosis-of-squamous-cell-carcinoma-in-the-anal-canal
#4
Yoji Takeuchi, Artur Nemeth, Otto Ljungberg, Ervin Toth, Henrik Thorlacius
No abstract text is available yet for this article.
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28454340/characterization-of-topoisomerase-ii-%C3%AE-and-minichromosome-maintenance-protein-2-expression-in-anal-carcinoma
#5
Cristovam Scapulatempo-Neto, Carlos Veo, José Humberto T G Fregnani, Adriana Lorenzi, Allini Mafra, Armando G F Melani, Edgar Antonio Alemán Loaiza, Luciana Albina Reis Rosa, Cristina Mendes de Oliveira, José Eduardo Levi, Adhemar Longatto-Filho
The present study aimed to ascertain the significance of topoisomerase II α (TOP2A) and minichromosome maintenance protein (MCM) 2 expression in anal carcinoma. A total of 75 anal lesions were retrieved from the files of the Department of Pathology of Barretos Cancer Hospital (Barretos, Brazil) in order to verify the human papillomavirus (HPV) statuses of these lesions and characterize the immunohistochemical expression levels of TOP2A and MCM2 in anal carcinoma, as these are important markers for cervical HPV-induced lesions; their expression was also compared with respect to p16 and Ki-67...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453692/safety-and-antitumor-activity-of-the-anti-pd-1-antibody-pembrolizumab-in-patients-with-recurrent-carcinoma-of-the-anal-canal
#6
P A Ott, S A Piha-Paul, P Munster, M J Pishvaian, E M J van Brummelen, R B Cohen, C Gomez-Roca, S Ejadi, M Stein, E Chan, M Simonelli, A Morosky, S Saraf, K Emancipator, M Koshiji, J Bennouna
Background: Safety and efficacy of pembrolizumab, a humanized programmed death 1 monoclonal antibody, was assessed in KEYNOTE-028, a multicohort, phase Ib trial for patients with programmed death ligand 1 (PD-L1)-positive advanced solid tumors. We report results for the cohort of patients with advanced anal carcinoma. Patients and methods: Patients with PD-L1-positive tumors (≥1%) received intravenous pembrolizumab 10 mg/kg once every 2 weeks for up to 2 years or until confirmed progression or unacceptable toxicity...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28453691/high-risk-human-papillomavirus-in-anal-squamous-cell-carcinoma-a-conservative-leading-role
#7
P S Ravenda, M G Zampino, E Guerini-Rocco, S Chiocca, V Dell'Acqua, C Trovato, R Biffi, D Ribero, F Spada, C A Cella, N Fazio
No abstract text is available yet for this article.
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28451476/angiosarcoma-of-the-colon-presenting-with-chronic-diarrhea-rectal-bleeding-and-pelvic-discomfort
#8
Asad Jehangir, Brian H Le, Oluwaseun Shogbesan
Colonic angiosarcoma is a rare malignancy representing only 0.0012% of all colorectal malignancies. Due to its non-specific symptoms, diagnosis is often delayed. However, because of the aggressive nature of this malignancy, it is important to keep it in the differential diagnosis of rectal bleeding, pelvic discomfort, chronic diarrhea, and weight loss in patients with risk factors. We present a case of angiosarcoma of the colon in a 74-year-old female with a remote history of chemo-radiation for anal squamous cell carcinoma (ASCC)...
March 26, 2017: Curēus
https://www.readbyqxmd.com/read/28409247/-cetuximab-plus-chemoradiotherapy-for-anal-carcinoma-in-immunocompetent-patients-does-not-change-existing-therapy-standards-results-from-the-prospective-multicenter-e3205-trial
#9
Carsten Nieder
No abstract text is available yet for this article.
April 13, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28403015/hr-hpv-e6-e7-mrna-in-situ-hybridization-validation-against-pcr-dna-in-situ-hybridization-and-p16-immunohistochemistry-in-102-samples-of-cervical-vulvar-anal-and-head-and-neck-neoplasia
#10
COMPARATIVE STUDY
Anne M Mills, Dawn C Dirks, Melinda D Poulter, Stacey E Mills, Mark H Stoler
Dysregulated expression of oncogenic types of E6 and E7 is necessary for human papillomavirus (HPV)-driven carcinogenesis. An HPV E6/E7 mRNA in situ hybridization (ISH) assay covering 18 common high-risk types ("HR-RISH," aka HR-HPV RNA18 ISH) has not been extensively studied in the anogenital tract or validated on automated technology. We herein compare HR-RISH to DNA polymerase chain reaction (PCR), p16 immunohistochemistry, and a previously available HPV DNA ISH assay in HPV-related anogenital and head and neck (H&N) neoplasia...
May 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28398952/vulvar-and-anal-intraepithelial-neoplasia-terminology-diagnosis-and-ancillary-studies
#11
REVIEW
Eric J Yang, Christina S Kong, Teri A Longacre
Currently, it is recognized that there is an HPV-related and an HPV-independent pathway to developing squamous cell carcinomas (SCC) in the anus and vulva. The majority of precursor lesions and SCC in the anus and vulva are high-risk HPV-associated, with HPV16 the most common type. Given the morphologic overlap and biological equivalence of HPV-related preinvasive squamous lesions of the lower anogenital tract, a unified, 2-tiered histopathologic nomenclature is now recommended. In contrast, mutations in the TP53 gene have been associated with HPV-independent vulvar and anal SCC...
May 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28379306/anal-neoplasia-in-inflammatory-bowel-disease-classification-proposal-epidemiology-carcinogenesis-and-risk-management-perspectives
#12
Andrew Wisniewski, Jean-Francois Fléjou, Laurent Siproudhis, Laurent Abramowitz, Magali Svrcek, Laurent Beaugerie
Patients with inflammatory bowel disease [IBD] may develop, similarly to individuals from general population, rare cases of human papilloma virus [HPV]-related anal canal squamous cell carcinoma [SCC] and intra-epithelial precursor lesions, as well as very rare cases of anal canal adenocarcinoma. Patients with chronic perianal Crohn's disease [CD] are at substantial risk of developing SCC or adenocarcinoma from the fistula-lining epithelium, as well as SCC or adenocarcinoma arising from chronic anorectal ulcerations or strictures...
March 30, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28368260/clinical-endpoints-in-trials-of-chemoradiation-for-patients-with-anal-cancer
#13
REVIEW
Robert Glynne-Jones, Richard Adams, Andre Lopes, Helen Meadows
This Review examines the reporting of endpoints in randomised controlled trials (RCTs) of radical chemoradiation for treatment of squamous cell carcinoma of the anus. The types, frequency, and definitions of clinical primary and secondary endpoints, and patient-reported outcome measures, reported in the methods and results sections of papers (and protocols, if available) were examined. Only six published RCTs comprising 2877 patients were identified. Primary outcome measures varied across the trials analysed: two used disease-free survival, one used progression-free survival, two used local failure, and one used colostomy-free survival...
April 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28365084/perianal-synovial-sarcoma-treated-postoperatively-with-iodine-125-brachytherapy-technical-details
#14
Susan Tovey, Clare Stannard, Gerrie Maree, Robin Hiscock, Charlie Thomson, Eugenio Panieri, Paul Goldberg
PURPOSE: A 23-year-old lady had an incompletely excised perianal sarcoma. Brachytherapy as the sole treatment, rather than further surgery or external beam radiotherapy, was considered to be the best option with the least morbidity. METHODS AND MATERIALS: Although brachytherapy techniques with iridium-192 for anal and rectal carcinoma are well described using a perianal template, the size of the template was not suitable for a two-plane implant that needed to be in situ for about 4 days...
May 2017: Brachytherapy
https://www.readbyqxmd.com/read/28355962/indications-and-outcomes-from-32-consecutive-patients-for-the-treatment-of-rectal-lesions-by-transanal-minimally-invasive-surgery
#15
Luis J García-Flórez, Jorge L Otero-Díez, Ana I Encinas-Muñiz, Luis Sánchez-Domínguez
BACKGROUND: The aim of this study was to evaluate the feasibility, safety, perioperative morbidity, and short-term outcomes of the transanal minimally invasive surgery (TAMIS) technique. METHODS: This is a descriptive review of prospectively collected data from 32 consecutive patients who underwent TAMIS procedures in our colorectal unit over a 40-month period. GelPOINT Path port was used in all cases. Demographic data, indications, tumor characteristics, morbidity, and follow-up data were collected...
March 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28338162/-risk-factor-analysis-of-low-anterior-resection-syndrome-after-anal-sphincter-preserving-surgery-for-rectal-carcinoma
#16
Fan Liu, Peng Guo, Zhanlong Shen, Zhidong Gao, Shan Wang, Yingjiang Ye
OBJECTIVE: To investigate the risk factors of low anterior resection syndrome (LARS) after anal sphincter preserving surgery (SPS) for rectal cancer patients. METHODS: Clinicopathological and follow-up data of rectal cancer patients who underwent SPS from January 2010 to June 2014 in Department of Gastroenterological Surgery, Peking University People's Hospital, were retrospectively analyzed. Patients receiving permanent colostomy and local resection were excluded...
March 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28334399/association-of-hiv-status-with-local-immune-response-to-anal-squamous-cell-carcinoma-implications-for-immunotherapy
#17
Elizabeth L Yanik, Genevieve J Kaunitz, Tricia R Cottrell, Farah Succaria, Tracee L McMiller, Maria L Ascierto, Jessica Esandrio, Haiying Xu, Aleksandra Ogurtsova, Toby Cornish, Evan J Lipson, Suzanne L Topalian, Eric A Engels, Janis M Taube
Importance: The programmed cell death protein 1 (PD-1) and programmed death-ligand 1 (PD-L1) pathway play an important immunosuppressive role in cancer and chronic viral infection, and have been effectively targeted in cancer therapy. Anal squamous cell carcinoma (SCC) is associated with both human papillomavirus and HIV infection. To date, patients with HIV have been excluded from most trials of immune checkpoint blocking agents, such as anti-PD-1 and anti-PD-L1, because it was assumed that their antitumor immunity was compromised compared with immunocompetent patients...
March 23, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28333258/immunoglobulin-and-infliximab-concentrations-in-dichorionic-twins-exposed-to-infliximab-in-utero
#18
Thea Vestergaard, Heidi Kammerlander, Birgitte Brock, Mette Julsgaard
No abstract text is available yet for this article.
March 10, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28333202/risk-of-rectal-neoplasia-after-colectomy-and-ileorectal-anastomosis-for-ulcerative-colitis
#19
Mathieu Uzzan, Julien Kirchgesner, Nadia Oubaya, Aurélien Amiot, Jean-Marc Gornet, Philippe Seksik, Stéphane Nancey, Eddy Cotte, Matthieu Allez, Gilles Boschetti, David Laharie, Nicola de Angelis, Maria Nachury, Anne-Laure Pelletier, Vered Abitbol, Mathurin Fumery, Antoine Brouquet, Anthony Buisson, Romain Altwegg, Jacques Cosnes, Yves Panis, Xavier Treton
Introduction-: Colectomy can be required in the management of ulcerative colitis (UC). While ileal pouch anal-anastomosis (IPAA) is the recommended reconstruction technique, ileorectal anastomosis (IRA) is still performed and might present some advantages. However, the risk of rectal neoplasia might limit its indication. The aims of our study were to determine the incidence of rectal neoplasias following IRA for UC and to identify risk factors associated with rectal carcinomas. Methods-: We performed a multicenter retrospective study including patients who underwent IRA for UC from 1960 to 2014 in 13 centers...
February 21, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28317088/phase-i-trial-of-the-oral-smoothened-inhibitor-sonidegib-in-combination-with-paclitaxel-in-patients-with-advanced-solid-tumors
#20
A Stathis, D Hess, R von Moos, K Homicsko, G Griguolo, M Joerger, M Mark, C J Ackermann, S Allegrini, C V Catapano, A Xyrafas, M Enoiu, S Berardi, P Gargiulo, C Sessa
Purpose To establish a recommended phase II dose (RP2D) for the oral smoothened inhibitor sonidegib in combination with paclitaxel; secondary objectives include evaluation of safety, tolerability, markers of Hedgehog (Hh) signaling and preliminary antitumor activity. Methods Patients with advanced solid tumors were enrolled in cohorts of escalating sonidegib dose levels (400mg, 600mg and 800mg orally, once daily on days 1-28) in combination with paclitaxel 80 mg/m(2) on days 1, 8 and 15 in 4-weekly cycles. Dose-limiting toxicities (DLTs) were assessed using CTCAE v4...
March 20, 2017: Investigational New Drugs
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