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https://www.readbyqxmd.com/read/28718950/radiofrequency-ablation-for-the-management-of-thyroid-nodules-a-critical-appraisal-of-the-literature
#1
REVIEW
Roberto Cesareo, Andrea Palermo, Valerio Pasqualini, Roberto Cianni, Gianluigi Gaspa, Silvia Manfrini, Claudio Maurizio Pacella
The majority of benign thyroid nodules are asymptomatic, remain stable in size, and do not require treatment. However, a minority of patients with growing nodules may have local symptoms or cosmetic concerns, and thus demand surgical therapy. The timely use of ultrasound-guided, minimally invasive thermal therapies has changed the natural history of benign, enlarging thyroid nodules (TNs). These procedures produce persistent shrinkage of TNs and an improvement of local symptoms. Among the various procedures, percutaneous ethanol injection (PEI) represents the first-line treatment for thyroid cysts, while in solid cold nodules, laser and radiofrequency ablation (RFA) have proven to be very effective and safe techniques in producing significant volume reduction that remains stable over several years...
July 18, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28718733/diagnostic-utility-of-renal-fine-needle-aspirate-cytology-and-ultrasound-in-the-cat
#2
Camille A McAloney, Leslie C Sharkey, Daniel A Feeney, Davis M Seelig
Objectives The primary objective of this study was to retrospectively assess the diagnostic utility of feline renal fine-needle aspiration cytology by assessing diagnostic yield, cytologic characteristics and diagnostic accuracy. The secondary objective was to characterize ultrasonographic features of sampled kidneys to determine if they influenced diagnostic yield. Methods Slides, images and patient data were collected from the University of Minnesota Veterinary Medical Center database. Slides were designated as diagnostic or non-diagnostic...
July 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28718208/quantification-of-nasal-airflow-resistance-in-english-bulldogs-using-computed-tomography-and-computational-fluid-dynamics
#3
Eric T Hostnik, Brian A Scansen, Rachel Zielinski, Samir N Ghadiali
Stenotic nares, edematous intranasal turbinates, mucosal swelling, and an elongated, thickened soft palate are common sources of airflow resistance for dogs with brachycephalic airway syndrome. Surgery has focused on enlarging the nasal apertures and reducing tissue of the soft palate. However, objective measures of surgical efficacy are lacking. Twenty-one English bulldogs without previous surgery were recruited for this prospective, pilot study. Computed tomography was performed using conscious sedation and without endotracheal intubation using a 128 multidetector computed tomography scanner...
July 17, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28717175/snake-venom-vegf-vammin-induces-a-highly-efficient-angiogenic-response-in-skeletal-muscle-via-vegfr-2-nrp-specific-signaling
#4
Pyry I Toivanen, Tiina Nieminen, Johanna P Laakkonen, Tommi Heikura, Minna U Kaikkonen, Seppo Ylä-Herttuala
Vascular Endothelial Growth Factors (VEGFs) are promising molecules for the treatment of ischemic diseases by pro-angiogenic therapy. Snake venom VEGFs are a novel subgroup with unique receptor binding profiles and as such are potential new therapeutic agents. We determined the ligand-receptor interactions, gene regulation and angiogenic properties of Vipera ammodytes venom VEGF, Vammin, and compared it to the canonical angiogenic factor VEGF-A to evaluate the use of Vammin for therapeutic angiogenesis. Vammin efficiently induced VEGFR-2 mediated proliferation and expression of genes associated with proliferation, migration and angiogenesis...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717060/clinical-data-analysis-of-genotypes-and-phenotypes-of-deafness-gene-mutations-in-newborns-a-retrospective-study
#5
Yating Du, Lihui Huang, Xueyao Wang, Qingjia Cui, Xiaohua Cheng, Liping Zhao, Tingting Ni
We retrospectively analyzed newborns with deafness gene mutations and summarized the relationship between genotype and phenotype to provide a basis for genetic counseling. We studied 582 subjects positive for deafness gene mutations that were treated in the otology outpatient department of Beijing Tongren Hospital, Capital Medical University, between April 2012 and April 2016. The subjects were divided into 3 categories: a diagnosed group (group A), which was further subdivided into subgroups A1 (homozygous and compound heterozygous GJB2 mutations) and A2 (homozygous and compound heterozygous SLC26A4 mutations); a drug-induced deafness group (group B, mitochondrial (Mt) gene mutations); and a mutation carrier group (group C), which was further subdivided into the subgroups C1 (GJB2 heterozygous mutations), C2 (SLC26A4 heterozygous mutations), C3 (GJB3 heterozygous mutations), and C4 (double gene mutations)...
July 17, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28716694/-isolated-long-thoracic-nerve-palsy-more-than-meets-the-eye
#6
Andrés A Maldonado, Scott L Zuckerman, B Matthew Howe, Michelle L Mauermann, Robert J Spinner
INTRODUCTION: Two main hypotheses have been proposed for the pathophysiology of long thoracic nerve (LTN) palsy: nerve compression and nerve inflammation. We hypothesized that critical reinterpretation of electrodiagnostic (EDX) studies and MRIs of patients with a diagnosis of non-traumatic isolated LTN palsy could provide insight into the pathophysiology and, potentially, the treatment. MATERIAL AND METHODS: A retrospective review was performed of all patients with a diagnosis of non-traumatic isolated LTN palsy and an EDX and brachial plexus or shoulder MRI studies performed at our institution...
June 27, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28716415/primary-root-growth-in-arabidopsis-thaliana-is-inhibited-by-the-mir159-mediated-repression-of-myb33-myb65-and-myb101
#7
Tao Xue, Zhenhua Liu, Xuehuan Dai, Fengning Xiang
Organ growth is a fundamental developmental process basing on cell proliferation and differentiation. The growth of the plant root is sustained by the activity of the root meristem, a process controlled in part by various transcription factors. Here, the miR159 has been identified as a post transcriptional repressor of root growth, on the basis that the mir159ab double mutant developed a larger meristem than did the wild type, and that it formed longer roots. In the mutant, the abundance of MYB33, MYB65 and MYB101 transcript was substantially increased...
September 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28716218/the-risk-of-dementia-with-the-use-of-5-alpha-reductase-inhibitors
#8
Blayne Welk, Eric McArthur, Michael Ordon, Sarah A Morrow, Jade Hayward, Stephanie Dixon
INTRODUCTION: There has been considerable interest in the interplay between testosterone and cognition. Dihydrotestosterone (DHT), which has been correlated with cognitive function, is significantly reduced with the use of 5 alpha reductase inhibitors (5ARI) for prostatic enlargement. Our objective was to assess whether the use of 5ARIs was associated with an increased risk of incident dementia. METHODS: We used a matched cohort design and linked administrative data from the province of Ontario, Canada...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28716088/loss-of-dip2c-in-rko-cells-stimulates-changes-in-dna-methylation-and-epithelial-mesenchymal-transition
#9
Chatarina Larsson, Muhammad Akhtar Ali, Tatjana Pandzic, Anders M Lindroth, Liqun He, Tobias Sjöblom
BACKGROUND: The disco-interacting protein 2 homolog C (DIP2C) gene is an uncharacterized gene found mutated in a subset of breast and lung cancers. To understand the role of DIP2C in tumour development we studied the gene in human cancer cells. METHODS: We engineered human DIP2C knockout cells by genome editing in cancer cells. The growth properties of the engineered cells were characterised and transcriptome and methylation analyses were carried out to identify pathways deregulated by inactivation of DIP2C...
July 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28715374/in-vivo-evaluation-of-the-mechanical-and-viscoelastic-properties-of-the-rat-tongue
#10
Emanuele Loro, Stephen H Wang, Richard J Schwab, Tejvir S Khurana
The tongue is a highly innervated and vascularized muscle hydrostat on the floor of the mouth of most vertebrates. Its primary functions include supporting mastication and deglutition, as well as taste-sensing and phonetics. Accordingly, the strength and volume of the tongue can impact the ability of vertebrates to accomplish basic activities such as feeding, communicating, and breathing. Human patients with sleep apnea have enlarged tongues, characterized by reduced muscle tone and increased intramuscular fat that can be visualized and quantified by magnetic resonance imaging (MRI)...
July 6, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28714351/activation-of-nlrp3-inflammasome-in-peripheral-nerve-contributes-to-paclitaxel-induced-neuropathic-pain
#11
Min Jia, Caihua Wu, Fang Gao, Hongchun Xiang, Ning Sun, Ping Peng, Jingjing Li, Xiaocui Yuan, Hongping Li, Xianfang Meng, Bo Tian, Jing Shi, Man Li
Background Paclitaxel is commonly used as a cancer chemotherapy drug that frequently causes peripheral neuropathic pain. Inflammasome is a multiprotein complex consisting of Nod-like receptor proteins (NLRPs), apoptosis-associated speck-like protein, and caspase-1, which functions to switch on the inflammatory process and the release of interleukin-1β. Growing evidences have supported that peripheral interleukin-1β is critical in enhancing paclitaxel-induced neuropathic pain. However, whether activation of NLRP3 inflammasome in peripheral nerve contributes to paclitaxel-induced neuropathic pain is still unclear...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28714046/effects-of-cd-and-zn-on-physiological-and-anatomical-properties-of-hydroponically-grown-brassica-napus-plants
#12
Martina Benáková, Hassan Ahmadi, Zuzana Dučaiová, Edita Tylová, Stephan Clemens, Jiří Tůma
Clarifying the connection between metal exposure and anatomical changes represents an important challenge for a better understanding of plant phytoextraction potential. A hydroponic screening experiment was carried out to evaluate the effects of combined interactions of Cd and Zn on mineral uptake (Mg, K, Ca, Na) and on the physiological and anatomical characteristics of Brassica napus L cv. Cadeli, Viking, and Navajo. Plants were exposed to 5 μM Cd (CdCl2), 10 μM Zn (ZnSO4), or both Cd + Zn, for 14 days...
July 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28713683/do-we-really-care-about-incidental-lung-nodules-review-of-atypical-lung-carcinoid-and-a-proposal-for-systematic-patient-follow-up
#13
Henal Motiwala, Itisha Bansal, Pradeep Goyal, Olena Dorokhova, Yogesh Kumar, Thomas D Olsavsky, Albert DiMeo, Nishant Gupta
Atypical lung carcinoids are intermediate-grade neuroendocrine tumors (NETs) with malignant potential. They are often detected incidentally on imaging done for non-related causes, as the patients are frequently asymptomatic. Histopathology is required to confirm the diagnosis with immunohistochemistry (IHC). Due to their indolent nature, these are often diagnosed only in the advanced stages. Treatment options include chemoradiation for widespread disease versus surgery for local or minimally invasive disease...
June 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28713415/repeated-stand-replacing-crown-fires-affect-seed-morphology-and-germination-in-aleppo-pine
#14
Antonio Saracino, Alessandro Bellino, Emilia Allevato, Antonio Mingo, Stefano Conti, Sergio Rossi, Giuliano Bonanomi, Domenico Carputo, Stefano Mazzoleni
Post-fire reproductive niche of Aleppo pine (Pinus halepensis) is deeply interlaced with fire products. Indeed, the high pH and low osmotic potentials of ash beds under burnt crowns constitute the main constraints to seed germination. In this study, we aim to investigate whether fire recurrence, through the physico-chemical constraints imposed by the ash beds, affects the reproduction ability of P. halepensis at the germination stage. To this aim, Aleppo pine seeds were collected in neighboring even-aged stands subjected to 0, 1, or 2 fires (namely fire cohorts), and seed morphology and germination performance, in terms of cumulative germination and germination kinetics, were studied under increasing osmotic potentials (from 0...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28712176/ecg-abnormalities-in-patients-with-chronic-kidney-disease
#15
Salman Shafi, Mohammad Saleem, Roshina Anjum, Wajid Abdullah, Tahir Shafi
BACKGROUND: Chronic kidney disease (CKD) is associated with increased risk of cardiovascular disease. Electrocardiographic (ECG) abnormalities are common in CKD patients. However, there is variation in literature regarding frequency of ECG abnormalities in CKD patients and limited information in local population. METHODS: The study design was cross-sectional in nature. All patients between ages of 20-80 years with CKD not previously on renal replacement therapy who were admitted to nephrology ward at a tertiary care facility over a 6-month period were included...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28711761/laparoscopic-vs-open-hysterectomy-for-benign-disease-in-uteri-weighing-1-kg-a-retrospective-analysis-on-258-patients
#16
Stefano Uccella, Chiara Morosi, Nicola Marconi, Anna Arrigo, Baldo Gisone, Jvan Casarin, Ciro Pinelli, Camilla Borghi, Fabio Ghezzi
OBJECTIVE: To present a large single-center series of hysterectomies for uteri≥ 1 kilogram and to compare laparoscopic and open abdominal approach in terms of peri-operative outcomes and complications. DESIGN: Retrospective analysis of prospectively-collected data (Canadian Task Force II-2). SETTING: Academic research center. PATIENTS: Consecutive women who underwent hysterectomy for uteri ≥ 1 kilogram in the period between January 2000 and December 2016...
July 12, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28710871/detection-and-quantification-of-coronary-calcium-from-dual-energy-chest-x-rays-phantom-feasibility-study
#17
Bo Zhou, Di Wen, Katelyn Nye, Robert C Gilkeson, Brendan Eck, David Jordan, David L Wilson
PURPOSE: We have demonstrated the ability to identify coronary calcium, a reliable biomarker of coronary artery disease, using non-gated, 2-shot, dual energy (DE) chest x-ray imaging. Here we will use digital simulations, backed up by measurements, to characterize DE calcium signals and the role of potential confounds such as beam hardening, x-ray scatter, cardiac motion, and pulmonary artery pulsation. For the DE calcium signal, we will consider quantification, as compared to CT calcium score, and visualization...
July 15, 2017: Medical Physics
https://www.readbyqxmd.com/read/28710361/the-dental-phenotype-of-hairless-dogs-with-foxi3-haploinsufficiency
#18
Kornelius Kupczik, Alexander Cagan, Silke Brauer, Martin S Fischer
Hairless dog breeds show a form of ectodermal dysplasia characterised by a lack of hair and abnormal tooth morphology. This has been attributed to a semi-dominant 7-base-pair duplication in the first exon of the forkhead box I3 gene (FOXI3) shared by all three breeds. Here, we identified this FOXI3 variant in a historical museum sample of pedigreed hairless dog skulls by using ancient DNA extraction and present the associated dental phenotype. Unlike in the coated wild type dogs, the hairless dogs were characterised in both the mandibular and maxillary dentition by a loss of the permanent canines, premolars and to some extent incisors...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28710301/pituitary-apoplexy-a-rare-complication-of-leuprolide-therapy-in-prostate-cancer-treatment
#19
Georges Tanios, Nicolas Andrews Mungo, Aaysha Kapila, Kailash Bajaj
Gonadotropin-releasing hormone agonists, used widely in the treatment of metastatic prostate cancer and hormone receptor-positive breast cancer, are associated with a rare but potentially fatal outcome of pituitary apoplexy (PA). An 85-year-old man presented with sudden onset of headache, left eye pain, sensitivity to light, nausea and vomiting. The symptoms started 4 hours after initiation of leuprolide therapy for treatment of recently diagnosed metastatic prostate carcinoma. Radiological imaging of the brain demonstrated a heterogeneously enlarged pituitary gland measuring 19×16×13 mm and T1-hyperintense signal compatible with pituitary haemorrhage...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28709917/what-triggers-in-trigger-finger-the-flexor-tendons-at-the-flexor-digitorum-superficialis-bifurcation
#20
X L Chuang, C C Ooi, S T Chin, M A Png, S K Wong, S C Tay, D A McGrouther
To define the role of the flexor tendons in trigger finger, a high-resolution ultrasound examination was performed in 20 trigger fingers and 20 normal contralateral digits in three digital postures: full extension, mid-flexion and near-full flexion. Precise measurements of diameter and cross-sectional area of the combined tendon mass were recorded at five clearly defined locations: summit of the metacarpal head, proximal lip of the proximal phalanx (PP) and at 1/8, 1/4 and 1/2 length of the PP. In the normal tendons, there was an anatomical thickening, not previously appreciated at 1/4 length PP, in the region of the FDS bifurcation...
May 27, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
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