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https://www.readbyqxmd.com/read/28298964/magnetic-resonance-enterography-in-crohn-s-disease-how-we-do-it-and-common-imaging-findings
#1
REVIEW
Annalisa Mantarro, Paola Scalise, Elisa Guidi, Emanuele Neri
Crohn's disease (CD) is a chronic inflammatory disease of the gastrointestinal tract, with unpredictable clinical course by phases of relapses alternating with other of quiescence. The etiology is multifactorial and is still not completely known; globally the westernization of lifestyle is causing an increasing incidence of CD, with peak age of 20-30 years. The diagnostic workup begins with the evaluation of the clinical history, physical examination and laboratory tests. However, the clinical assessment is subjected interobserver variability and, occasionally, the symptoms of acute and chronic inflammation may be indistinguishable...
February 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28287147/radiation-associated-circulatory-disease-mortality-in-a-pooled-analysis-of-77-275-patients-from-the-massachusetts-and-canadian-tuberculosis-fluoroscopy-cohorts
#2
Van Tran, Lydia B Zablotska, Alina V Brenner, Mark P Little
High-dose ionising radiation is associated with circulatory disease. Risks associated with lower-dose (<0.5 Gy) exposures remain unclear, with little information on risk modification by age at exposure, years since exposure or dose-rate. Tuberculosis patients in Canada and Massachusetts received multiple diagnostic x-ray fluoroscopic exposures, over a wide range of ages, many at doses <0.5 Gy. We evaluated risks of circulatory-disease mortality associated with <0.5 Gy radiation exposure in a pooled cohort of 63,707 patients in Canada and 13,568 patients in Massachusetts...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28261568/pseudomonas-aeruginosa-lifestyle-a-paradigm-for-adaptation-survival-and-persistence
#3
REVIEW
M Fata Moradali, Shirin Ghods, Bernd H A Rehm
Pseudomonas aeruginosa is an opportunistic pathogen affecting immunocompromised patients. It is known as the leading cause of morbidity and mortality in cystic fibrosis (CF) patients and as one of the leading causes of nosocomial infections. Due to a range of mechanisms for adaptation, survival and resistance to multiple classes of antibiotics, infections by P. aeruginosa strains can be life-threatening and it is emerging worldwide as public health threat. This review highlights the diversity of mechanisms by which P...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28241029/squamation-and-ecology-of-thelodonts
#4
Humberto G Ferrón, Héctor Botella
Thelodonts are an enigmatic group of Paleozoic jawless vertebrates that have been well studied from taxonomical, biostratigraphic and paleogeographic points of view, although our knowledge of their ecology and mode of life is still scant. Their bodies were covered by micrometric scales whose morphology, histology and the developmental process are extremely similar to those of extant sharks. Based on these similarities and on the well-recognized relationship between squamation and ecology in sharks, here we explore the ecological diversity and lifestyles of thelodonts...
2017: PloS One
https://www.readbyqxmd.com/read/28218773/risk-factors-for-birth-defects
#5
REVIEW
Benjamin S Harris, Katherine C Bishop, Hanna R Kemeny, Jennifer S Walker, Eleanor Rhee, Jeffrey A Kuller
Importance: Major congenital abnormalities, or birth defects, carry significant medical, surgical, cosmetic, or lifestyle consequences. Such abnormalities may be syndromic, involving multiple organ systems, or can be isolated. Overall, 2% to 4% of live births involve congenital abnormalities. Risk factors for birth defects are categorized as modifiable and nonmodifiable. Modifiable risk factors require thorough patient education/counseling. The strongest risk factors, such as age, family history, and a previously affected child, are usually nonmodifiable...
February 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28208834/in%C3%A2-pursuit%C3%A2-of%C3%A2-vitamin%C3%A2-d%C3%A2-in%C3%A2-plants
#6
Lucinda J Black, Robyn M Lucas, Jill L Sherriff, Lars Olof Björn, Janet F Bornman
Vitamin D deficiency is a global concern. Much research has concentrated on the endogenous synthesis of vitamin D in human skin following exposure to ultraviolet-B radiation (UV-B, 280-315 nm). In many regions of the world there is insufficient UV-B radiation during winter months for adequate vitamin D production, and even when there is sufficient UV-B radiation, lifestyles and concerns about the risks of sun exposure may lead to insufficient exposure and to vitamin D deficiency. In these situations, dietary intake of vitamin D from foods or supplements is important for maintaining optimal vitamin D status...
February 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28178283/behavioral-risk-factors-of-breast-cancer-in-bangui-of-central-african-republic-a-retrospective-case-control-study
#7
Augustin Balekouzou, Ping Yin, Henok Kessete Afewerky, Cavin Bekolo, Christian Maucler Pamatika, Sylvain Wilfrid Nambei, Marceline Djeintote, Antoine Doui Doumgba, Christian Diamont Mossoro-Kpinde, Chang Shu, Minghui Yin, Zhen Fu, Tingting Qing, Mingming Yan, Jianyuan Zhang, Shaojun Chen, Hongyu Li, Zhongyu Xu, Boniface Koffi
Breast cancer is recognized as a major public health problem in developing countries; however, there is very little evidence of behavioral factors associated with breast cancer risk. This study was conducted to identify lifestyles as risk factors for breast cancer among Central African women. A case-control study was conducted with 174 cases confirmed histologically by the pathology unit of the National Laboratory and 348 age-matched controls. Data collection tools included a questionnaire with interviews and medical records of patients...
2017: PloS One
https://www.readbyqxmd.com/read/28151038/cardiovascular-disease-among-atomic-bomb-survivors
#8
Kotaro Ozasa, Ikuno Takahashi, Eric J Grant, Kazunori Kodama
PURPOSE: The profile of cardiovascular disease in Japan has been different from that in Western countries. Hypertension was the major cause not only for hemorrhagic stroke but also for ischemic stroke and heart disease in the past, and the influence of hypertension has decreased with calendar years because of reduced salt intake and westernization of lifestyle, and also improved medical care. The health status of atomic bomb survivors has reflected this profile as well as radiation effects...
February 2, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28137244/cambrian-suspension-feeding-lobopodians-and-the-early-radiation-of-panarthropods
#9
Jean-Bernard Caron, Cédric Aria
BACKGROUND: Arthropoda, Tardigrada and Onychophora evolved from lobopodians, a paraphyletic group of disparate Palaeozoic vermiform animals with soft legs. Although the morphological diversity that this group encompasses likely illustrates the importance of niche diversification in the early radiation of panarthropods, the ecology of lobopodians remains poorly characterized. RESULTS: Here we describe a new luolishaniid taxon from the middle Cambrian Burgess Shale (Walcott Quarry) in British Columbia, Canada, whose specialized morphology epitomizes the suspension-feeding ecology of this clade, and is convergent with some modern marine animals, such as caprellid crustaceans...
January 31, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28133481/a-case-control-study-of-risk-factors-for-salivary-gland-cancer-in-canada
#10
Sai Yi Pan, Margaret de Groh, Howard Morrison
Aim. To assess the effect of various lifestyle risk factors on the risk of salivary gland cancer in Canada using data from a population-based case-control study. Methods. Data from a population-based case-control study of 132 incident cases of salivary gland cancer and 3076 population controls were collected through self-administered questionnaire and analysed using unconditional logistic regression. Results. Four or more servings/week of processed meat product was associated with an adjusted odds ratio (OR) and corresponding 95% confidence interval (CI) of 1...
2017: Journal of Cancer Epidemiology
https://www.readbyqxmd.com/read/28123076/cardiovascular-disease-in-cancer-survivors
#11
REVIEW
Tochi M Okwuosa, Sarah Anzevino, Ruta Rao
Certain cancer therapies, including radiation therapy and some types of chemotherapies, are associated with increased risk of cardiovascular disease (CVD) and events. Some of these effects such as those presented by anthracyclines, radiation therapy, cisplatin, as well as those presented by hormone therapy for breast cancer-usually taken for many years for some breast and prostate cancers-are long-lasting and associated with cardiovascular events risk more than 20 years after cancer treatment. Cardiovascular testing, diagnostic assessment of suspected cardiovascular symptomatology, as well as laboratory tests for CVD risk factors are imperative...
February 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28067254/unusual-respiratory-capacity-and-nitrogen-metabolism-in-a-parcubacterium-od1-of-the-candidate-phyla-radiation
#12
Cindy J Castelle, Christopher T Brown, Brian C Thomas, Kenneth H Williams, Jillian F Banfield
The Candidate Phyla Radiation (CPR) is a large group of bacteria, the scale of which approaches that of all other bacteria. CPR organisms are inferred to depend on other community members for many basic cellular building blocks and all appear to be obligate anaerobes. To date, there has been no evidence for any significant respiratory capacity in an organism from this radiation. Here we report a curated draft genome for 'Candidatus Parcunitrobacter nitroensis' a member of the Parcubacteria (OD1) superphylum of the CPR...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28063168/phytochemicals-for-the-prevention-of-photocarcinogenesis
#13
Mary Katherine Montes de Oca, Ross L Pearlman, Sarah F McClees, Rebecca Strickland, Farrukh Afaq
Ultraviolet (UV) exposure has an array of damaging effects and is the main cause of skin cancer in humans. Non-melanoma skin cancer (NMSC), including basal cell carcinoma and squamous cell carcinoma, is the most common type of cancer. Incidence of NMSC has increased due to greater UV radiation, increased life expectancy, and other changes in lifestyle; the annual cost of skin cancer treatment in the United States has increased concurrently to around eight billion dollars. Because of these trends, novel approaches to skin cancer prevention have become an important area of research to decrease skin cancer morbidity and defray the costs associated with treatment...
January 7, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28049538/risk-of-second-cancer-following-radiotherapy-for-prostate-cancer-a-population-based-analysis
#14
Nina-Sophie Hegemann, Anne Schlesinger-Raab, Ute Ganswindt, Claudia Hörl, Stephanie E Combs, Dieter Hölzel, Jürgen E Gschwend, Christian Stief, Claus Belka, Jutta Engel
BACKGROUND: To investigate the risk of second cancer and radiation induced second cancer following prostate cancer radiotherapy. METHODS: We compared men with radiotherapy only with those treated with radical prostatectomy only and those with radiotherapy after radical prostatectomy. Cumulative incidences of second cancers were calculated. Cox analyses were performed to identify determinants influencing second cancer incidence. RESULTS: Nineteen thousand five hundred thirty eight patients were analyzed...
January 3, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28045814/recalcitrant-invasive-skin-cancer-of-the-scalp-combined-extirpation-and-microsurgical-reconstruction-without-cranioplasty
#15
Gerald J Cho, Frederick Wang, Steven M Garcia, Jennifer Viner, William Y Hoffman, Michael W McDermott, Jason H Pomerantz
BACKGROUND: Recurrent invasive skin cancer of the scalp and calvarium is a difficult problem for which universally accepted treatment protocols have not been established. The authors present their 10-year experience with treatment of this specific subset of scalp reconstruction patients and present a successful treatment algorithm that is well suited to this patient population. METHODS: The authors retrospectively reviewed all patients of microsurgical scalp reconstruction performed from 2005 to 2015 that involved invasive cutaneous malignancies of the scalp and calvarium...
March 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28012121/triathlon-training-for-women-breast-cancer-survivors-feasibility-and-initial-efficacy
#16
Alexander V Ng, Alyson N Cybulski, Ashley A Engel, Paula E Papanek, Megan A Sheffer, Leslie J Waltke, Judy A Tjoe
ᅟ: Exercise can improve quality of life (QOL) in breast cancer survivors. In contrast to many group or home-based exercise programs, little is known about the effectiveness of goal-oriented recreational activities. PURPOSE: The purpose of this study was to evaluate a clinically overseen team triathlon training program on improving physiological and psychosocial health-related measures in female breast cancer survivors. METHODS: Twenty-three participants (age = 48 (8), BMI = 25 (1), mean (SE)) were recruited from a 14-week sprint triathlon (800-m swim, 20-km bike, 5-km run) team training program for women breast cancer survivors (4 (3) years post-surgery, chemo-, or radiation-therapy)...
December 24, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28004766/reduced-host-specificity-in-a-parasite-infecting-non-littoral-lake-tanganyika-cichlids-evidenced-by-intraspecific-morphological-and-genetic-diversity
#17
Nikol Kmentová, Milan Gelnar, Monika Mendlová, Maarten Van Steenberge, Stephan Koblmüller, Maarten P M Vanhove
Lake Tanganyika is well-known for its high species-richness and rapid radiation processes. Its assemblage of cichlid fishes recently gained momentum as a framework to study parasite ecology and evolution. It offers a rare chance to investigate the influence of a deepwater lifestyle in a freshwater fish-parasite system. Our study represents the first investigation of parasite intraspecific genetic structure related to host specificity in the lake. It focused on the monogenean flatworm Cichlidogyrus casuarinus infecting deepwater cichlids belonging to Bathybates and Hemibates...
December 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27997050/why-uv-vision-and-red-vision-are-important-for-damselfish-pomacentridae-structural-and-expression-variation-in-opsin-genes
#18
Sara M Stieb, Fabio Cortesi, Lorenz Sueess, Karen L Carleton, Walter Salzburger, N J Marshall
Coral reefs belong to the most diverse ecosystems on our planet. The diversity in coloration and lifestyles of coral reef fishes makes them a particularly promising system to study the role of visual communication and adaptation. Here, we investigated the evolution of visual pigment genes (opsins) in damselfish (Pomacentridae) and examined whether structural and expression variation of opsins can be linked to ecology. Using DNA sequence data of a phylogenetically representative set of 31 damselfish species, we show that all but one visual opsin are evolving under positive selection...
December 20, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27919337/radiation-and-circulatory-disease
#19
Mark P Little
Exposure to therapeutic doses of ionizing radiation is associated with damage to the heart and coronary arteries. However, only recently have studies with high-quality individual dosimetry data allowed this risk to be quantified while also adjusting for concomitant chemotherapy, and medical and lifestyle risk factors. At lower levels of exposure the evidence is less clear. In this article I review radiation-associated risks of circulatory disease in groups treated with radiotherapy for malignant and non-malignant disease, and in occupationally- or environmentally-exposed groups receiving rather lower levels of radiation dose, also for medical diagnostic purposes...
October 2016: Mutation Research
https://www.readbyqxmd.com/read/27913498/long-term-risk-of-second-malignancy-and-cardiovascular-disease-after-hodgkin-lymphoma-treatment
#20
Flora E van Leeuwen, Andrea K Ng
Long-term survivors of Hodgkin lymphoma (HL) experience several late adverse effects of treatment, with second malignant neoplasms (SMNs) and cardiovascular diseases (CVDs) being the leading causes of death in these patients. Other late effects have also been identified, such as pulmonary dysfunction, endocrinopathies (thyroid dysfunction, infertility), neck muscle atrophy, and persistent fatigue. HL survivors have two- to fourfold increased risks to develop SMNs and CVD compared with the general population...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
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