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https://www.readbyqxmd.com/read/28449429/pancreatic-lymphoepithelial-cysts-diagnosed-with-endosonography-guided-fine-needle-aspiration
#1
Youngmin Oh, Yonghyeok Choi, Seung Myoung Son, Jisun Lee, Yook Kim, Joung Ho Han, Seon Mee Park
Although lymphoepithelial cysts (LECs) of the pancreas are benign lesions, most of them have been treated with surgical resection due to diagnostic difficulty. We report a 66-year-old woman diagnosed with pancreatic LECs. Abdominal ultrasound revealed two masses in the pancreas, which were not visible on the abdominal computed tomography. In an abdominal magnetic resonance imaging, pancreas lesions showed solid tumors, which revealed a low signal intensity on T1-, moderate high signal intensity on T2 weighted images, and homogeneous delayed enhancement in the portal venous phase...
April 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28445350/shaped-versus-round-implants-in-breast-reconstruction-a-multi-institutional-comparison-of-surgical-and-patient-reported-outcomes
#2
Nima Khavanin, Mark W Clemens, Andrea L Pusic, Neil A Fine, Jennifer B Hamill, H Myra Kim, Ji Qi, Edwin G Wilkins, John Y S Kim
BACKGROUND: Since the 2012 approval of shaped implants, their use in breast reconstruction has increased in the United States. However, large-scale comparisons of complications and patient-reported outcomes are lacking. The authors endeavored to compare surgical and patient-reported outcomes across implant types. METHODS: The Mastectomy Reconstruction Outcomes Consortium database was queried for expander/implant reconstructions with at least 1-year postexchange follow-up (mean, 18...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28444391/dual-display-phage-selection-driven-by-co-engagement-of-two-targets-by-two-different-antibody-fragments
#3
Séverine Fagète, Ledicia Botas-Perez, Irène Rossito-Borlat, Kenneth Adea, Franck Gueneau, Ulla Ravn, François Rousseau, Marie Kosco-Vilbois, Nicolas Fischer, Oliver Hartley
Antibody phage display technology has supported the emergence of numerous therapeutic antibodies. The development of bispecific antibodies, a promising new frontier in antibody therapy, could be facilitated by new phage display approaches that enable pairs of antibodies to be co-selected based on co-engagement of their respective targets. We describe such an approach, making use of two complementary leucine zipper domains that heterodimerize with high affinity. Phagemids encoding a first antibody fragment (scFv) fused to phage coat protein via the first leucine zipper are rescued in bacteria expressing a second scFv fused to the second leucine zipper as a soluble periplasmic protein, so that it is acquired by phage during assembly...
April 24, 2017: Protein Engineering, Design & Selection: PEDS
https://www.readbyqxmd.com/read/28442450/implementing-an-internet-delivered-skin-cancer-genetic-testing-intervention-to-improve-sun-protection-behavior-in-a-diverse-population-protocol-for-a-randomized-controlled-trial
#4
Jennifer L Hay, Marianne Berwick, Kate Zielaskowski, Kirsten Am White, Vivian M Rodríguez, Erika Robers, Dolores D Guest, Andrew Sussman, Yvonne Talamantes, Matthew R Schwartz, Jennie Greb, Jessica Bigney, Kimberly A Kaphingst, Keith Hunley, David B Buller
BACKGROUND: Limited translational genomic research currently exists to guide the availability, comprehension, and appropriate use of personalized genomics in diverse general population subgroups. Melanoma skin cancers are preventable, curable, common in the general population, and disproportionately increasing in Hispanics. OBJECTIVE: Variants in the melanocortin-1 receptor (MC1R) gene are present in approximately 50% of the population, are major factors in determining sun sensitivity, and confer a 2-to-3-fold increase in melanoma risk in the general population, even in populations with darker skin...
April 25, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28441828/-clinical-analysis-of-seven-cases-of-pulmonary-malignant-tumors-in-children
#5
D Xu, Z M Chen, W Z Gu, Y S Wang, M X Huang, L F Tang, Y Y Zhang, Y Jiang
Objective: To understand the clinical manifestation, imaging characteristics and outcomes of pulmonary malignant tumors in children. Method: We retrospectively collected information about seven cases of pulmonary malignant tumors in children in our hospital from Jan 2010 to Dec 2016. The information included clinical manifestation, imaging characteristics, pathologic results, and treatment. Result: (1) All the seven patients firstly visited pediatric internal medicine departments. Symptoms included cough (n=6), dyspnea (n=4), fever (n=2), anorexia (n=2), chest tightness (n=1), chest pain (n=1), lameness (n=1), abdominal distension and constipation (n=1)...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28432208/clinical-round-up
#6
EDITORIAL
S Herbert
No abstract text is available yet for this article.
May 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28431584/monitoring-quality-and-coverage-of-harm-reduction-services-for-people-who-use-drugs-a-consensus-study
#7
Lucas Wiessing, Marica Ferri, Vendula Běláčková, Patrizia Carrieri, Samuel R Friedman, Cinta Folch, Kate Dolan, Brian Galvin, Peter Vickerman, Jeffrey V Lazarus, Viktor Mravčík, Mirjam Kretzschmar, Vana Sypsa, Ana Sarasa-Renedo, Anneli Uusküla, Dimitrios Paraskevis, Luis Mendão, Diana Rossi, Nadine van Gelder, Luke Mitcheson, Letizia Paoli, Cristina Diaz Gomez, Maitena Milhet, Nicoleta Dascalu, Jonathan Knight, Gordon Hay, Eleni Kalamara, Roland Simon, Catherine Comiskey, Carla Rossi, Paul Griffiths
BACKGROUND AND AIMS: Despite advances in our knowledge of effective services for people who use drugs over the last decades globally, coverage remains poor in most countries, while quality is often unknown. This paper aims to discuss the historical development of successful epidemiological indicators and to present a framework for extending them with additional indicators of coverage and quality of harm reduction services, for monitoring and evaluation at international, national or subnational levels...
April 22, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28430876/ift25-an-intraflagellar-transporter-protein-dispensable-for-ciliogenesis-in-somatic-cells-is-essential-for-sperm-flagella-formation
#8
Hong Liu, Wei Li, Yong Zhang, Zhengang Zhang, Xuejun Shang, Ling Zhang, Shiyang Zhang, Yanwei Li, Andres V Somoza, Brandon Delpi, George L Gerton, James A Foster, Rex A Hess, Gregory J Pazour, Zhibing Zhang
Intraflagellar transport (IFT) is a conserved mechanism essential for the assembly and maintenance of most eukaryotic cilia and flagella. However, IFT25, a component of the IFT complex is not required for the formation of cilia in somatic tissues. In mice, the gene is highly expressed in the testis, and its expression is up-regulated during the final phase when sperm flagella are formed. To investigate the role of IFT25 in sperm flagella formation, the gene was specifically disrupted in male germ cells. All homozygous knockout mice survived to adulthood and did not show any gross abnormalities...
April 18, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28430229/light-scattering-from-normal-and-cervical-cancer-cells
#9
Xiaogang Lin, Nan Wan, Lingdong Weng, Yong Zhou
The light scattering characteristic plays a very important role in optic imaging and diagnostic applications. For optical detection of the cell, cell scattering characteristics have an extremely vital role. In this paper, we use the finite-difference time-domain (FDTD) algorithm to simulate the propagation and scattering of light in biological cells. The two-dimensional scattering cell models were set up based on the FDTD algorithm. The cell models of normal cells and cancerous cells were established, and the shapes of organelles, such as mitochondria, were elliptical...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28423686/clinical-features-and-prognosis-for-intraventricular-liponeurocytoma
#10
Nini Xu, Jinxiu Cai, Jiang Du, Rong Yang, Huachen Zhu, Peiyi Gao, Jian Zhou, Xiaofeng Li
Cerebellar liponeurocytoma is a rare central nervous system tumor, we investigate its biological behaviors and clinical prognosis to improve the understanding of this tumor. We retrospectively analyzed the clinical, radiological and histopathological findings as well as follow-up data of two patients with intraventricular liponeurocytomas in Beijing Tiantan Hospital between July 2000 and July 2016. The main clinical manifestations of the two patients were headache. The supratentorial intraventricular liponeurocytoma appeared as isodense to slight hyperdense on CT scan and heterogeneous intensity on T1-weighted imaging (T1WI) and T2-weighted imaging (T2WI)...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422920/a-multi-year-assessment-of-a-hospital-school-program-to-promote-teen-motor-vehicle-safety
#11
Purnima Unni, Cristina M Estrada, Dai H Chung, Emily B Riley, Lesley Worsley-Hynd, Neil Stinson
BACKGROUND: Motor vehicle crashes are the leading cause of death among teen drivers. The main goal of this program was to reduce texting while driving among high school teens through a unique peer-generated anti-texting campaign. METHODS: The program consisted of two phases. In Phase 1, student leaders participated in a half-day, hospital-based experiential program that emphasized safe teen driving. In Phase 2, these students conceptualized and implemented an anti-texting while driving campaign during the school year...
April 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28419541/when-should-active-surveillance-for-prostate-cancer-stop-if-no-progression-is-detected
#12
Tiago M de Carvalho, Eveline A M Heijnsdijk, Harry J de Koning
BACKGROUND: A significant proportion of screen-detected men with prostate cancer may be overdiagnosed. Active Surveillance (AS) has emerged as a way to mitigate this problem, by delaying treatment of men, who are at low-risk until this becomes necessary. However, it is not known after how much time or biopsy rounds should patients stop AS and transition to conservative management (CM), if no progression is detected. METHODS: We used a microsimulation model with natural history of prostate cancer based on ERSPC and SEER data...
April 17, 2017: Prostate
https://www.readbyqxmd.com/read/28415643/new-transcriptional-based-insights-into-the-pathogenesis-of-desmoplastic-small-round-cell-tumors-dsrcts
#13
Tiziana Negri, Silvia Brich, Fabio Bozzi, Chiara V Volpi, Ambra V Gualeni, Silvia Stacchiotti, Loris De Cecco, Silvana Canevari, Annunziata Gloghini, Silvana Pilotti
To gain new insights into desmoplastic small round cell tumors (DSRCTs) by means of gene expression profiling (GEP). Formalin-fixed, paraffin-embedded surgical specimens obtained from seven pretreated DSRCT patients were interrogated using GEP complemented by immunohistochemistry, a cancer stem cell array, and miRNA in situ hybridisation, including the combined chimera modules miRNA-200/ZEB1 and miRNA-34/SLUG. The chimera modules divided the cases into three classes that respectively recapitulated the traits of mesenchymal epithelial reverse transition (MErT), epithelial mesenchymal transition (EMT), and hybrid/partial EMT...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413023/a-chemoattractant-guided-walk-through-lymphopoiesis-from-hematopoietic-stem-cells-to-mature-b-lymphocytes
#14
REVIEW
Vivian Y Lim, Sandra Zehentmeier, Chris Fistonich, João P Pereira
B lymphocytes develop from hematopoietic stem cells (HSCs) in specialized bone marrow niches composed of rare mesenchymal lineage stem/progenitor cells (MSPCs) and sinusoidal endothelial cells. These niches are defined by function and location: MSPCs are mostly perisinusoidal cells that together with a small subset of sinusoidal endothelial cells express stem cell factor, interleukin-7 (IL-7), IL-15, and the highest amounts of CXCL12 in bone marrow. Though rare, MSPCs are morphologically heterogeneous, highly reticular, and form a vast cellular network in the bone marrow parenchyma capable of interacting with large numbers of hematopoietic cells...
2017: Advances in Immunology
https://www.readbyqxmd.com/read/28406719/structured-expert-consensus-on-actinic-keratosis-treatment-algorithm-focusing-on-daylight-pdt
#15
Piergiacomo Calzavara-Pinton, Merete Hædersdal, Kirk Barber, Nicole Basset-Seguin, María Emilia Del Pino Flores, Peter Foley, Gaston Galimberti, Rianne Gerritsen, Yolanda Gilarbete, Sally Ibbotson, Ketty Peris, Sheetal Sapra, Eleni Sotiriou, Luis Torezan, Claas Ulrich, Jonathan Guillemot, Janek Hendrich, Rolf-Markus Szeimies
BACKGROUND: A practical and up-to-date consensus among experts is paramount to further improve patient care in actinic keratosis (AK). OBJECTIVES: To develop a structured consensus statement on the diagnosis, classification, and practical management of AK based on up-to-date information. METHODS: A systematic review of AK clinical guidelines was conducted. This informed the preparation of a 3-round Delphi procedure followed by a consensus meeting, which combined the opinions of 16 clinical experts from 13 countries, to construct a structured consensus statement and a treatment algorithm positioning daylight photodynamic therapy (dl-PDT) among other AK treatment options...
April 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28404197/mercaptopurine-versus-placebo-to-prevent-recurrence-of-crohn-s-disease-after-surgical-resection-toppic-a-multicentre-double-blind-randomised-controlled-trial
#16
Craig Mowat, Ian Arnott, Aiden Cahill, Malcolm Smith, Tariq Ahmad, Sreedhar Subramanian, Simon Travis, John Morris, John Hamlin, Anjan Dhar, Chuka Nwokolo, Cathryn Edwards, Tom Creed, Stuart Bloom, Mohamed Yousif, Linzi Thomas, Simon Campbell, Stephen J Lewis, Shaji Sebastian, Sandip Sen, Simon Lal, Chris Hawkey, Charles Murray, Fraser Cummings, Jason Goh, James O Lindsay, Naila Arebi, Lindsay Potts, Aileen J McKinley, John M Thomson, John A Todd, Mhairi Collie, Malcolm G Dunlop, Ashley Mowat, Daniel R Gaya, Jack Winter, Graham D Naismith, Holly Ennis, Catriona Keerie, Steff Lewis, Robin J Prescott, Nicholas A Kennedy, Jack Satsangi
BACKGROUND: Up to 60% of patients with Crohn's disease need intestinal resection within the first 10 years of diagnosis, and postoperative recurrence is common. We investigated whether mercaptopurine can prevent or delay postoperative clinical recurrence of Crohn's disease. METHODS: We did a randomised, placebo-controlled, double-blind trial at 29 UK secondary and tertiary hospitals of patients (aged >16 years in Scotland or >18 years in England and Wales) who had a confirmed diagnosis of Crohn's disease and had undergone intestinal resection...
December 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28401600/involvement-of-patients-perspectives-on-treatment-with-non-invasive-ventilation-in-patients-with-copd-a-qualitative-study
#17
Helle Marie Christensen, Lotte Huniche, Ingrid L Titlestad
AIMS AND OBJECTIVES: To clarify COPD patients' perspectives on treatment with non-invasive ventilation and develop management strategies for the treatment based on these perspectives. BACKGROUND: The effect of treating COPD patients with non-invasive ventilation is well documented, as is the problem of patient difficulties in tolerating the treatment. Knowledge of how patients with COPD experience and evaluate treatment with non-invasive ventilation is limited; therefore, more information of patient perspectives is needed to develop treatment practices in respiratory medicine...
April 12, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28401122/quality-indicators-for-the-detection-and-management-of-chronic-kidney-disease-in-primary-care-in-canada-derived-from-a-modified-delphi-panel-approach
#18
Karen Tu, Lindsay Bevan, Katie Hunter, Jess Rogers, Jacqueline Young, Gihad Nesrallah
BACKGROUND: The detection and management of chronic kidney disease lies within primary care; however, performance measures applicable in the Canadian context are lacking. We sought to develop a set of primary care quality indicators for chronic kidney disease in the Canadian setting and to assess the current state of the disease's detection and management in primary care. METHODS: We used a modified Delphi panel approach, involving 20 panel members from across Canada (10 family physicians, 7 nephrologists, 1 patient, 1 primary care nurse and 1 pharmacist)...
January 2017: CMAJ Open
https://www.readbyqxmd.com/read/28391845/selection-and-characterization-of-dimethylindole-red-dna-aptamers-for-the-development-of-light-up-fluorescent-probes
#19
Hongyan Wang, Jine Wang, Qinglin Wang, Xing Chen, Min Liu, Hongxia Chen, Renjun Pei
To develop novel label-free light-up probes with improved performance characteristics and low background, we selected DNA aptamers for dimethylindole red (DIR) by a modified affinity chromatography based SELEX method. DIR is an anionic propylsulfonate substituted red-emitting dye derivative of thiazole orange and exhibited weak fluorescence in fluid solution and in the presence of dsDNA. After 14 rounds of selection, a shortened 42-mer DNA aptamer with sub-micromolar dissociation constant (Kd=0.65±0.17μM) was selected...
June 1, 2017: Talanta
https://www.readbyqxmd.com/read/28391446/a-review-of-current-and-future-management-of-geographic-atrophy
#20
REVIEW
Riccardo Sacconi, Eleonora Corbelli, Lea Querques, Francesco Bandello, Giuseppe Querques
Age-related macular degeneration (AMD) is a multifactorial disease and a leading cause of vision impairment in elderly people in Western society. Geographic atrophy (GA), the late stage of dry AMD, is typically defined as a round or oval area of atrophy of 175 µm or more. In GA patients, visual acuity (VA) can still be good if the macula is spared, but decreased if GA extends through the fovea causing a great impairment of quality of life. Because of a poor correlation between VA and GA lesions or progression, a multimodal imaging approach is necessary to better follow up GA patients...
April 8, 2017: Ophthalmology and Therapy
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