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intraepithelial lesion treatment

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https://www.readbyqxmd.com/read/28807605/adjuvant-hpv-vaccination-for-anal-cancer-prevention-in-hiv-positive-men-who-have-sex-with-men-the-time-is-now
#1
Ashish A Deshmukh, Scott B Cantor, Elisabeth Fenwick, Elizabeth Y Chiao, Alan G Nyitray, Elizabeth A Stier, Stephen E Goldstone, Timothy Wilkin, Jagpreet Chhatwal
IMPORTANCE: Outcomes of treating high-grade squamous intraepithelial lesions (HSIL), a precursor to anal cancer, remain uncertain. Emerging evidence shows that post HSIL treatment adjuvant quadrivalent human papillomavirus (qHPV) vaccination improves the effectiveness of treatment. However, no recommendations exist regarding the use of qHPV vaccine as an adjuvant form of therapy. Our objective was to determine whether post-treatment adjuvant vaccination should be adopted in HIV-infected MSM (individuals at highest risk for anal cancer) on the basis of cost-effectiveness determined using existing evidence or whether future research is needed...
August 11, 2017: Vaccine
https://www.readbyqxmd.com/read/28796882/cytology-versus-hpv-testing-for-cervical-cancer-screening-in-the-general-population
#2
REVIEW
George Koliopoulos, Victoria N Nyaga, Nancy Santesso, Andrew Bryant, Pierre Pl Martin-Hirsch, Reem A Mustafa, Holger Schünemann, Evangelos Paraskevaidis, Marc Arbyn
BACKGROUND: Cervical cancer screening has traditionally been based on cervical cytology. Given the aetiological relationship between human papillomavirus (HPV) infection and cervical carcinogenesis, HPV testing has been proposed as an alternative screening test. OBJECTIVES: To determine the diagnostic accuracy of HPV testing for detecting histologically confirmed cervical intraepithelial neoplasias (CIN) of grade 2 or worse (CIN 2+), including adenocarcinoma in situ, in women participating in primary cervical cancer screening; and how it compares to the accuracy of cytological testing (liquid-based and conventional) at various thresholds...
August 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28780541/associations-between-highly-active-antiretroviral-therapy-and-the-presence-of-hpv-premalignant-and-malignant-cervical-lesions-in-sub-saharan-africa-a-systematic-review-current-evidence-and-directions-for-future-research
#3
Sonia Menon, Rodolfo Rossi, Natasha Zdraveska, Mbabazi Kariisa, Sushama D Acharya, Davy Vanden Broeck, Steven Callens
OBJECTIVES: In sub-Saharan Africa, substantial international funding along with evidence-based clinical practice have resulted in an unparalleled scale-up of access to antiretroviral treatment at a higher CD4 count. The role and timing of highly active antiretroviral therapy (HAART) in mediating cervical disease remains unclear. The aim of this article is to systematically review all evidence pertaining to Africa and identify research gaps regarding the epidemiological association between HAART use and the presence of premalignant/malignant cervical lesions...
August 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/28767389/use-of-confocal-laser-endomicroscopy-with-a-fluorescently-labeled-fatty-acid-to-diagnose-colorectal-neoplasms
#4
Feihong Deng, Yuan Fang, Zhiyong Shen, Wei Gong, Tao Liu, Jing Wen, Wanling Zhang, Xianjun Zhu, Hui Zhong, Tong Wang, Fachao Zhi, Biao Nie
Endoscopic treatment for early colorectal cancer closely correlates with patient prognosis. However, endoscopic differentiation between carcinomas and non-neoplastic lesions remains difficult. Here, we topically stained colorectal neoplasms with a fatty acid analogue (BODIPY-FA) and quantified the fluorescent signals using confocal laser endomicroscopy (CLE) and fluorescence microscopy. We also analyzed protein expression in colorectal cancer tissues. We found that expression of fatty acid synthase was elevated, while the expression of fatty acid transporters was reduced in colorectal cancer...
July 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28765837/the-impact-of-finasteride-and-dutasteride-treatments-on-proliferation-apoptosis-androgen-receptor-5%C3%AE-reductase-1-and-5%C3%AE-reductase-2-in-tramp-mouse-prostates
#5
Alexander B Opoku-Acheampong, Jamie N Henningson, Brian L Lindshield
BACKGROUND: Previously, we studied the effect of finasteride- or dutasteride-containing diets in male C57BL/6 TRAMP x FVB mice. Pre (6 weeks of age) and post (12 weeks of age) groups received finasteride or dutasteride to determine the efficacy of these pharmaceuticals on prostate cancer (PCa) development in male C57BL/6 TRAMP x FVB mice. Post-Dutasteride treatment was more effective than Pre-Dutasteride treatment, and dutasteride treatments were more effective than finasteride treatments in decreasing prostatic intraepithelial neoplasia (PIN) progression and PCa development...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28765154/gemcitabine-induced-timp1-attenuates-therapy-response-and-promotes-tumor-growth-and-liver-metastasis-in-pancreatic-cancer
#6
Zenobia D'Costa, Keaton Jones, Abul Azad, Ruud van Stiphout, Su Y Lim, Ana L Gomes, Paul Kinchesh, Sean C Smart, W Gillies McKenna, Francesca M Buffa, Owen J Sansom, Ruth J Muschel, Eric O'Neill, Emmanouil Fokas
Gemcitabine constitutes one of the backbones for chemotherapy treatment in pancreatic ductal adenocarcinoma (PDAC), but patients often respond poorly to this agent. Molecular markers downstream of gemcitabine treatment in pre-clinical models may provide an insight into resistance mechanisms. Using cytokine arrays, we identified potential secretory biomarkers of gemcitabine resistance (response) in the transgenic KRasG12D; Trp53R172H; Pdx-1 Cre (KPC) mouse model of PDAC. We verified the oncogenic role of the cytokine tissue inhibitor of matrix metalloproteinases 1 (TIMP1) in primary pancreatic tumors and metastases using both in vitro techniques and animal models...
August 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28763913/-analysis-of-psychological-status-and-relevant-factors-of-patients-with-esophageal-and-gastric-cardia-precancerous-lesions-in-linzhou-of-henan
#7
S R Ma, Q Ma, C Q Hao, C T Guan, B Y Li, J W Wang, X Q Li, Z K Liu, W W Wei
Objective: To explore the psychological status and related factors in patients with precancerous of esophageal and gastric cardia in Linzhou of Henan. Methods: Clinical psycho-rating scale of Social Support Rating Scale (SSRS), Self-Rating Anxiety Scale (SAS, score ≥50 points with symptoms of anxiety) and Self-Rating Depression Scale (SDS, score ≥53 points with the symptoms of depression) were applied to survey life events and psychological status of subjects who aged 40-69 years old and participated in"The Early diagnosis and Early Treatment"program in Linzhou cancer hospital from July 2015 to Jan 2016...
August 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28753702/probe-based-endomicroscopy-for-in-vivo-detection-of-gastric-intestinal-metaplasia-and-neoplasia-a-multicenter-randomized-controlled-trial
#8
Xiu-Li Zuo, Zhen Li, Chang-Qing Li, You-You Zheng, Li-Dong Xu, Jie Chen, Rong Lin, Jun Song, Chao-Hui Yu, Min Yue, Qi Zhou, Zhi-Yan Liu, Yan-Qing Li
Background and study aims Owing to the indistinctive endoscopic appearance of gastric intestinal metaplasia (GIM), gastric intraepithelial neoplasia (GIN), and early gastric cancer (EGC), a significant number of such lesions may be missed during surveillance endoscopy. The aim of this clinical trial was to assess the value of combined computed virtual chromoendoscopy (flexible spectral imaging color enhancement [FICE]) and probe-based confocal laser endomicroscopy (pCLE) for in vivo detection of GIM, GIN, and EGC...
July 28, 2017: Endoscopy
https://www.readbyqxmd.com/read/28738823/metformin-suppresses-cancer-initiation-and-progression-in-genetic-mouse-models-of-pancreatic-cancer
#9
Ke Chen, Weikun Qian, Zhengdong Jiang, Liang Cheng, Jie Li, Liankang Sun, Cancan Zhou, Luping Gao, Meng Lei, Bin Yan, Junyu Cao, Wanxing Duan, Qingyong Ma
BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) is the fourth leading cause of cancer-associated mortality worldwide with an overall five-year survival rate less than 7%. Accumulating evidence has revealed the cancer preventive and therapeutic effects of metformin, one of the most widely prescribed medications for type 2 diabetes mellitus. However, its role in pancreatic cancer is not fully elucidated. Herein, we aimed to further study the preventive and therapeutic effects of metformin in genetically engineered mouse models of pancreatic cancer...
July 24, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28720474/nitrous-oxide-cryotherapy-for-treatment-of-esophageal-squamous-cell-neoplasia-initial-multicenter-international-experience-with-a-novel-portable-cryoballoon-ablation-system-with-video
#10
Marcia Irene Canto, Julian Abrams, Hannah Kunzli, Bas Weusten, Yoshihiro Komatsu, Blair Jobe, Charles J Lightdale
BACKGROUND AND AIMS: Early esophageal squamous cell neoplasia (ESCN) can be successfully treated by endoscopic mucosal resection (EMR), endoscopic submucosal dissection (ESD), or radiofrequency ablation (RFA). A new portable, battery-powered cryotherapy system using nitrous oxide (cryoballoon focal ablation system (CbFAS) has been used for Barrett's esophagus. It consists of a small hand-held device containing liquid nitrous oxide, which converts to gas within a low-pressure-compliant through-the-scope balloon and freezes targeted mucosa in contact with the balloon...
July 15, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28719486/p16-expression-and-biological-behavior-of-flat-vulvar-low-grade-squamous-intraepithelial-lesions-lsil
#11
Natasha Lewis, Luis Z Blanco, Kruti P Maniar
Flat low-grade squamous intraepithelial lesion (LSIL) of the vulva [vulvar intraepithelial neoplasia (VIN) 1, flat condyloma] is an uncommon entity with poorly understood biological behavior. We aimed to determine the risk of subsequent vulvar high-grade squamous intraepithelial lesion (HSIL) or carcinoma following a diagnosis of vulvar LSIL/VIN 1, as well as the frequency and predictive value of p16 immunohistochemical expression in this setting. Of the 51 included cases, p16 positivity (diffuse block staining) was identified in 2 (4%)...
September 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28695429/cryotherapy-for-intra-and-perianal-high-grade-squamous-intraepithelial-lesions-in-hiv-positive-men-who-have-sex-with-men
#12
Matthijs L Siegenbeek van Heukelom, Karien C M Gosens, Jan M Prins, Henry J C de Vries
BACKGROUND: Available treatment options for anal high-grade squamous intraepithelial lesions (HSIL) in HIV-positive men who have sex with men (MSM) are limited by low response rates and frequent recurrences. Cryotherapy is an established therapeutic option for several pre-malignant skin disorders. METHODS: This retrospective, non-randomized study included HIV-positive MSM who received intra- and/or perianal HSIL cryotherapy treatment between 30 December 2008 and 23 April 2015...
July 10, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28691333/treatment-of-cervical-intraepithelial-lesions
#13
Philip E Castle, Dan Murokora, Carlos Perez, Manuel Alvarez, Swee Chong Quek, Christine Campbell
Precancerous cervical lesions precede the development of invasive cervical cancer by 10-20 years, making cervical cancer preventable if these lesions are detected and effectively treated. Treatment has evolved in the last few decades and now includes ablative options that can be performed in lower-resource settings where surgical excision is not feasible or routinely available. Gas-based cryotherapy, which freezes cervical tissue to induce localized necrosis, is the most commonly used ablative treatment. However, its implementation in low-resource settings is difficult because the refrigerant gas can be difficult to procure and transport, and is expensive...
July 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28678394/risk-of-persistent-or-recurrent-cervical-neoplasia-in-patients-with-pure-adenocarcinoma-in-situ-ais-or-mixed-ais-and-high-grade-cervical-squamous-neoplasia-cervical-intraepithelial-neoplasia-grades-2-and-3-cin-2-3-a-population-based-study
#14
Elizabeth Codde, Aime Munro, Colin J R Stewart, Katrina Spilsbury, Shirley Bowen, Jim Codde, Nerida Steel, Yee Leung, Jason Tan, Stuart G Salfinger, Ganendra R Mohan, Paul A Cohen
OBJECTIVE: To compare outcomes of patients with pure AIS and mixed AIS/CIN 2/3 lesions including the incidence of AIS persistence, recurrence and progression to adenocarcinoma. DESIGN: Retrospective cohort study. SETTING: Statewide population in Western Australia. POPULATION: Women diagnosed with AIS between 2001 and 2012. METHODS: We conducted a retrospective, population-based cohort study. MAIN OUTCOME MEASURES: De-identified linked data were utilized to ascertain the association between patient age at excisional treatment, margin status, lesion type, lesion size, and risk of persistent AIS (defined as the presence of AIS <12 months from treatment), recurrent AIS (≥12 months post treatment), and adenocarcinoma...
July 5, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28673748/late-solitary-extraocular-recurrence-from-previously-resected-iris-melanoma
#15
Ido Didi Fabian, Caroline Thaung, Lamis AlHarby, Karen Sisley, Hardeep S Mudhar, Rachel E Doherty, Andrew W Stacey, Amit K Arora, Victoria M L Cohen, Mandeep S Sagoo
PURPOSE: To report on cases of late extraocular relapse of previously resected iris melanoma, without concurrent intraocular recurrence. DESIGN: Retrospective case series. METHODS: A retrospective chart review of 4 patients diagnosed with late subconjunctival relapse of previously resected iris melanoma. RESULTS: Three females and one male underwent iris tumour resection and presented to our service with suspicious conjunctival lesions at a median of 22 years later (mean: 21)...
June 30, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28658331/evaluation-of-telomerase-htert-ki67-and-p16ink4a-expressions-in-low-and-high-grade-cervical-intraepithelial-lesions
#16
Ana Paula Szezepaniak Goulart, Manoel Afonso Guimarães Gonçalves, Vinicius Duval DA-Silva
Objective : to study the association between the histological grading of cervical intraepithelial neoplasia (CIN I, CIN II and CIN III) and the immunohistochemical expression for p16ink4a, hTert and Ki67, as well as to evaluate the relationship of these markers with the risk of recurrence after surgical treatment. Methods : we studied a historical cohort of 94 women with intraepithelial lesions CIN I (low grade), CIN II and CIN III (high grades) submitted to conization or electrosurgical excision of the transformation zone...
March 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28655061/outcomes-in-women-with-cytology-showing-atypical-squamous-cells-of-undetermined-significance-with-vs-without-human-papillomavirus-testing
#17
Jack Cuzick, Orrin Myers, Ji-Hyun Lee, Yang Shi, Julia C Gage, William C Hunt, Michael Robertson, Cosette M Wheeler
Importance: Little is known about the long-term yield of high-grade cervical intraepithelial neoplasia (CIN) and the influence on biopsy and treatment rates of human papillomavirus (HPV) triage of cytology showing atypical squamous cells of undetermined significance (hereafter ASC-US cytology). Objective: To examine 5-year outcomes after ASC-US cytology with vs without HPV testing. Design, Setting, and Participants: In this observational study, all cervical cytology and HPV testing reports from January 1, 2007, to December 31, 2012, were obtained for women throughout New Mexico and linked to pathology reports...
June 22, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28644191/yield-of-cytology-surveillance-after-high-grade-vulvar-intraepithelial-neoplasia-or-cancer
#18
Lindsay M Kuroki, Antonina I Frolova, Ningying Wu, Jingxia Liu, Matthew Powell, Premal H Thaker, L Stewart Massad
OBJECTIVES: The aim of the study was to estimate the risk of high-grade cervical and vaginal intraepithelial neoplasia (CIN/VAIN 2+) and cancer among women treated surgically for high-grade vulvar intraepithelial neoplasia (HGVIN) and vulvar cancer. MATERIALS AND METHODS: We performed a retrospective cohort study of women who underwent surgery for HGVIN/vulvar cancer between 2006 and 2010. Univariate and multivariate analyses using stepwise selection were used to identify correlates of abnormal cytology after treatment for VIN and vulvar cancer...
July 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28643659/-cervical-cancer-screening-in-rural-madagascar-feasibility-coverage-and-incidence
#19
A Dumont, N Bessières, A Benbassa, G Razafindrafara, F Rabearison, H-J Philippe
OBJECTIVES: To assess the implementation of a cervical cancer screening strategy in rural Madagascar. MATERIALS AND METHODS: A mobile unit, equipped with a cold-coagulator, visited every six months the main health care centers in the Atsinanana area between 2013 and 2015. Cervical cancer screening was based on visual inspection with acetic acid (VIA). The lesions suggestive of intraepithelial neoplasia and limited to the cervix were coagulated on the same day. Non-eligible patients for immediate treatment were referred for appropriate investigations...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28639695/glycogen-synthase-kinase-3%C3%AE-ablation-limits-pancreatitis-induced-acinar-to-ductal-metaplasia
#20
Li Ding, Geou-Yarh Liou, Daniel M Schmitt, Peter Storz, Jin-San Zhang, Daniel D Billadeau
Acinar-to-ductal metaplasia (ADM) is a reversible epithelial transdifferentiation process that occurs in the pancreas in response to acute inflammation. ADM can rapidly progress towards pre-malignant pancreatic intraepithelial neoplasia (PanIN) lesions in the presence of mutant KRas and ultimately pancreatic adenocarcinoma (PDAC). In the present work, we elucidate the role and related mechanism of glycogen synthase kinase-3beta (GSK-3β) in ADM development using in vitro 3D cultures and genetically engineered mouse models...
June 22, 2017: Journal of Pathology
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