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Bhandari Dhaka Ram DR Institute of Inorganic and Analytical Chemistry, Justus Liebig University Giessen, Schubertstraße 60, Building 16, 35392, Giessen, - - 2014
Mass spectrometry imaging provides for non-targeted, label-free chemical imaging. In this study, atmospheric pressure high-resolution scanning microprobe matrix-assisted laser desorption/ionization mass spectrometry imaging (AP-SMALDI MSI) was used for the first time to describe the chemical distribution of the defensive compounds pederin, pseudopederin, and pederon in tissue sections (16 μm thick) of ...
Corazza Angelo A Scuola di Specializzazione in Radiodiagnostica, Università degli Studi di Genova, Via Alberti 4, 16132 Genova, Italy. Electronic address: - - 2014
Ultrasonography (US) is an established and well-accepted modality that can be used to evaluate articular and peri-articular structures around the shoulder. US has been proven to be useful in a wide range of rotator cuff diseases (tendon tears, tendinosis, and bursitis) as well as non-rotator cuff abnormalities (instability problems, synovial ...
Spinelli Antonello E AE Medical Physics Department and Centre for Experimental Imaging, San Raffaele Scientific Institute, Via Olgettina N. 60, 20132 Milan, Italy. Electronic address: - - 2014
Small animals optical imaging systems are widely used in pre-clinical research to image in vivo the bio-distribution of light emitting probes using fluorescence or bioluminescence modalities. In this work we presented a set of simulated results of a novel small animal optical imaging module based on a fibers optics matrix, coupled ...
Makowski Marcus R MR King's College London BHF Centre, Division of Imaging Science, Biomedical Research Centre of Guy's and St. Thomas' NHS Foundation Trust, London, UK, - - 2014
The aim of this prospective study is to compare the performance of 2D time-resolved phase-contrast (PC) MRI prior to and after the administration of an intravascular (gadofosveset-trisodium) and extravascular (gadopentetate-dimeglumine) contrast agent in the same patient in the cardiovascular system. This study was approved by the ethics committee (Study-Number-07/Q0704/2) and ...
Göbel Anna A Kiel Migraine and Headache Centre, Kiel, Germany; Department of Neurology, University Hospital Schleswig Holstein, Campus Lübeck, - - 2014
Within the last years, occipital nerve stimulation (ONS) has proven to be an important method in the treatment of severe therapy-resistant neurological pain disorders. The correspondence between lead placement as well as possible stimulation parameters and the resulting stimulation effects remains unclear. The method aims to directly relate the neuromodulatory ...
Osmanovic Senad S Departments of Ophthalmology and Visual Sciences (SO, AYL, VKA, HEM), Medicine (OA-H), Pathology (AYL), and Radiology (SZ), University of Illinois College of Medicine, Chicago, Illinois; Department of Clinical Pharmacy and Outcomes Sciences (JAJ), South Carolina College of Pharmacy, Charleston, South Carolina; and Division of Infectious Disease (SM, MCP), University of Illinois College of Medicine, Chicago, - - 2014
: A 71-year-old woman presented with painful vision loss in the right eye followed by ophthalmoplegia. Magnetic resonance imaging demonstrated optic nerve sheath enlargement and enhancement. Biopsy of the optic nerve sheath revealed purulent and necrotic material that was positive for methicillin-sensitive Staphylococcus aureus. The patient underwent enucleation of the ...
Suits Arthur G - - 2014
We present a novel means of analyzing velocity-map images of angular momentum polarization in inelastic scattering. In this approach, linear combinations of angular distributions obtained by integrating select regions of images obtained with two probe laser polarizations directly yield the alignment-free differential cross sections and the differential alignment moments. No ...
Spaide Richard F - - 2014
Enhanced depth imaging of the optic nerve of a patient with a serous detachment and profound cupping of the optic nerve secondary to angle-closure glaucoma revealed a large dehiscence of the lamina cribrosa. Adjacent to the defect in the lamina were cystoid spaces within the nerve appearing to contain fluid. ...
Supèr Hans H Dept. of Basic Psychology, Faculty of Psychology, University of Barcelona (UB), Spain; Institute for Brain, Cognition and Behavior (IR3C), Spain; Catalan Institution for Research and Advanced Studies (ICREA), - - 2014
As a result of the spider experiments in Nagata et al. (2012), it was hypothesized that the depth perception mechanisms of these animals should be based on how much images are defocused. In the present paper, assuming that relative chromatic aberrations or blur radii values are known, we develop a ...
Cottrell Paul P Academic Unit of Ophthalmology, University of Birmingham, School of Immunity and Infection, Birmingham and Midland Eye Centre, Birmingham, B18 7QU, United - - 2014
Purpose In vivo confocal microscopy (IVCM) demonstrates reduction in corneal subbasal nerve density in Herpes Simplex Keratitis (HSK). Image J is an open source image-analysis platform, which can be combined with a nerve tracer, Neuron J. We sought to compare the reliability and speed of corneal nerve density quantification between ...
Tomura Noriaki N Department of Radiology and Neurology, Research Institute for Neuroscience, Southern Tohoku General Hospital, Fukushima, Japan - - 2014
Short TI inversion-recovery (STIR) imaging is widely used, but its signal-to-noise-ratio (SNR) is relatively low. Iterative decomposition of water and fat with echo asymmetric and least-squares estimation (IDEAL) imaging has demonstrated promising results in several areas. To compare T2-weighted fast spin-echo IDEAL (T2W IDEAL-FSE) with STIR to determine which sequence ...
Dankbaar J W JW Department of Radiology (HP E01.132), University Medical Center Utrecht, PO Box 85500, Utrecht, 3508 GA, The Netherlands, - - 2014
Vocal cord paralysis (VCP) can be caused by any process that interferes with the normal function of the vagal nerves or recurrent laryngeal nerves. It may be a first sign of extensive and severe pathology. Radiologists must therefore be able to recognise the imaging findings of VCP and know the ...
Gordon George S D - - 2014
A novel imaging technique that produces accurate amplitude and phase images of an optical fiber facet using only a phase-only liquid-crystal on silicon (LCOS) spatial light modulator (SLM) and a single-pixel detector is presented. The system can take images in two orthogonal polarizations and so provides a powerful tool for ...
Kweon Tae Dong TD From the *Department of Anesthesiology and Pain Medicine, †Anesthesia and Pain Research Institute, and ‡Department of Anatomy, Yonsei University College of Medicine, Seoul, - - 2014
Cervical medial branch blocks are used to treat patients with chronic neck pain. The aim of this study was to clarify the anatomical aspects of the cervical medial branches to improve the accuracy and safety of radiofrequency denervation. Twenty cervical specimens were harvested from 20 adult cadavers. The anatomical parameters ...
Jeong Ha-Kyu HK Philips Healthcare Korea, Seoul, Republic of Korea; Division of Magnetic Resonance Research, Korea Basic Science Institute, Chungbook, Republic of - - 2014
A diffusion-weighted multishot echo-planar imaging approach combined with SENSE and a two-dimensional (2D) navigated motion correction was investigated as an alternative to conventional single-shot counterpart to obtain optic nerve images at higher spatial resolution with reduced artifacts. Fifteen healthy subjects were enrolled in the study. Six of these subjects underwent ...
Polat Ekinci A A Istanbul University Istanbul Medical Faculty, Department of Dermatology, Istanbul, - - 2014
Leprosy is a chronic, granulomatous, destructive disease caused by Mycobacterium leprae. The disease primarily affects peripheral nerves, skin, eyes and nose. Musculoskeletal system, testis and other systems may be involved as well. (1) Several modalities e.g. x-ray, computed tomography, magnetic resonance imaging and ultrasound (US) can be used either for ...
Munguba Gustavo C GC Opthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 900 NW 17th Street, Miami, Florida, 33136, United States of - - 2014
Purpose: To investigate the progressive nature of neurodegenerative structural changes following injury to retinal ganglion cell (RGC) axons using quantifiable and non-invasive in vivo imaging techniques. Methods: To track degenerative RGC progression in retinas following optic nerve crush (ONC) injury, spectral domain optical coherence tomography (SD-OCT) was used to quantitate ...
Park Hyo Seok HS Department of Anatomy, Keimyung University School of Medicine, 1095 Dalgubeol-daero, Daegu, Republic of Korea, - - 2014
In medicine, the neuroanatomy of the oculomotor (III), trochlear (IV), and abducens nerves (VI) is learned essentially by cadaver dissection, histological specimens, and MRI. However, these methods have many limitations and it is necessary to compensate for the insufficiencies of previous methods. The aim of this research was to present ...
Schulte Rolf F RF GE Global Research, Munich, - - 2014
Modern magnetic resonance imaging scanners with high-performance gradient systems have high maximum gradient strength (Gmax ) and slew rate (Smax ). Peripheral nerve stimulation (PNS) is often a more limiting factor for gradient waveform design than Gmax and Smax . Traditionally, the slew rate is derated globally to adhere to ...
Hernández-Hernández Hilda M HM 1Departamento de Ingeniería Bioquímica,Escuela Nacional de Ciencias Biológicas,Instituto Politécnico Nacional,Plan de Ayala y Carpio s/n,Col. Santo Tomas,C. P. 11340,México - - 2014
Recently, the use of different types of natural fibers to produce paper and textiles from agave plants has been proposed. Agave atrovirens can be a good source of cellulose and lignin; nevertheless, the microstructural changes that happen during delignification have scarcely been studied. The aim of this work was to ...
Allgeier Stephan S Institute for Applied Computer Science/Automation, Karlsruhe Institute of Technology (KIT), Kaiserstr. 12, Building 10.91, Karlsruhe, 76131, Germany - - 2014
Purpose: A growing number of studies provide evidence that the morphology of the corneal subbasal nerve plexus (SNP), examined by corneal confocal microscopy (CCM), is a sensitive marker for diabetic peripheral neuropathy. However, it has been established that the field of view of a single CCM image (≈0.16 mm²) is ...
van der Jagt M A MA From the Departments of Otorhinolaryngology (M.A.v.d.J., J.J.B., J.H.M.F.) and Radiology (W.M.B., M.J.V., A.G.W., B.M.V.), C.J. Gorter Center for High-Field MRI (W.M.B., M.J.V., A.G.W.), and Leiden Institute for Brain and Cognition (J.H.M.F.), Leiden University Medical Center, Leiden, the Netherlands; and Department of Radiology (S.C.A.S., B.M.V.), Radboud University Medical Center, Nijmegen, the - - 2014
In many centers, MR imaging of the inner ear and auditory pathway performed on 1.5T or 3T systems is part of the preoperative work-up of cochlear implants. We investigated the applicability of clinical inner ear MR imaging at 7T and compared the visibility of inner ear structures and nerves within ...
Pahlevaninezhad Hamid H Integrative Oncology Department-Imaging Unit, BC Cancer Research Center, 675 West 10th Avenue, Vancouver, - - 2014
We present a power-efficient fiber-based imaging system capable of co-registered autofluorescence imaging and optical coherence tomography (AF/OCT). The system employs a custom fiber optic rotary joint (FORJ) with an embedded dichroic mirror to efficiently combine the OCT and AF pathways. This three-port wavelength multiplexing FORJ setup has a throughput of ...
Boland Paul P Department of Internal Medicine, Memorial University of Newfoundland, St John's, - - 2014
Idiopathic small-bowel and colonic varices are a rare source of bleeding from the gastrointestinal tract. To date there are only eight published case series of familial idiopathic small-bowel and colonic varices. We present a case series detailing three affected siblings who presented with significant lower gastrointestinal bleeding and had multiple ...
Lopez-Ceron Maria M Maria Lopez-Ceron, Erwin Sanabria, Maria Pellise, Endoscopy Unit, Department of Gastroenterology, Institut de Malalties Digestives i Metabòliques, Hospital Clinic, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, - - 2014
There have been major developments in endoscopic imaging techniques in recent years. Endoscopes with high definition and magnification can provide high quality images that allow for the histological estimation of lesions in vivo and in situ when combined with ancillary enhancement techniques such as chromoendoscopy (CE) and virtual CE (narrow ...
Goswami Amitava A Department of Gastroenterology, Dr. Sampurnanand Medical College, Jodhpur, 342 003, India, - - 2014
Narrow band imaging endoscopy with magnification (NBI-ME) has already been established in Barrett's esophagus, stomach, and colonic mucosa, but limited work has been done in the mucosal evaluation of duodenum. A study was done to determine the correlation between NBI and histology in grading villous architecture in varied etiology. A ...
Bernards Nicholas N Inserm, Unité 1023, Université Paris Sud, 91400, Orsay, - - 2014
The purpose of the study was to validate [(18)F]DPA-714, a translocator protein (TSPO) 18 kDa radioligand, as a probe to non-invasively quantify the inflammatory state in inflammatory bowel disease (IBD) animal models. Quantitative positron emission tomography (PET) imaging of intestinal inflammation was conducted with 2-deoxy-2-[(18)F]fluoro-D-glucose ([(18)F]FDG) a glucose metabolism surrogate marker ...
Subramanian Venkataraman V Molecular Gastroenterology, Leeds Institute of Biomedical and Clinical Sciences, St James University Hospital, University of Leeds, Leeds LS9 7TF, UK. Electronic address: - - 2014
Cancer risk in patients with inflammatory bowel disease (IBD) involving the colon is high and increases with time. The quality and efficacy of colonoscopic surveillance is variable. Chromoendoscopy with targeted biopsies is superior to standard white light endoscopy with random biopsies. Although commonly practiced, the technique of random colonic biopsies ...
Sakai Koji K Department of Human Health Science, Graduate School of Medicine, Kyoto University, Kyoto, Japan. Electronic address: - - 2014
This article summarizes the anatomy of brainstem tracts and cranial nerves as depicted by magnetic resonance imaging, with special emphasis on the structures that are involved in the control of eye movement. It discusses the anatomical structures that can be observed on conventional magnetic resonance images as well as structures ...
Nallala Jayakrupakar J Université de Reims Champagne-Ardenne, MéDIAN-Biophotonique et Technologies pour la Santé, UFR de Pharmacie, 51 rue Cognacq-Jay, 51096 Reims Cedex, France. - - 2014
Histopathology remains the gold standard method for colon cancer diagnosis. Novel complementary approaches for molecular level diagnosis of the disease are need of the hour. Infrared (IR) imaging could be a promising candidate method as it probes the intrinsic chemical bonds present in a tissue, and provides a "spectral fingerprint" ...
Wang Taejun - - 2014
We report a miniaturized probe-based combined two-photon microscopy (TPM) and optical coherence tomography (OCT) system. This system is to study the colorectal cancer in mouse models by visualizing both cellular and structural information of the colon in 3D with TPM and OCT respectively. The probe consisted of gradient index (GRIN) ...
Wall R Andrew RA University of Arizona, College of Optical Sciences, 1630 E. University Boulevard, Tucson, Arizona - - 2014
ABSTRACT. A side-viewing, 2.3-mm diameter oblique incidence reflectometry endoscope has been designed to obtain optical property measurements of turbid samples. Light from a single-mode fiber is relayed obliquely onto the tissue with a gradient index lens-based distal optics assembly and the resulting diffuse reflectance profile is imaged and collected with ...
Kim Bong Jin BJ Department of Internal Medicine, Kosin University College of Medicine, 262 Gamcheon-ro, Seo-gu, Busan 602-702, - - 2014
Narrow band imaging (NBI) endoscopy can be used for gross differentiation between the types of colonic polyps. This study was conducted as a retrospective study for estimation of the interobserver and intra-observer agreement of the pit pattern of the mucosal surface and the accuracy of histology prediction. A total of ...
- - 2014
The Food and Drug Administration (FDA) is classifying the colon capsule imaging system into class II (special controls). The special controls that will apply to the device are identified in this order and will be part of the codified language for the colon capsule imaging system's classification. The Agency is ...
Tsuruta Atsushi A Atsushi Tsuruta, Akimasa Kawai, Yasuo Oka, Hideo Okumura, Hideo Matsumoto, Toshihiro Hirai, Masafumi Nakamura, Department of Digestive Surgery, Kawasaki Medical School, Okayama 701-0192, - - 2014
Persistent ascending or descending mesocolon is an embryological anomaly that occurs during the final process of intestinal development in organogenesis. Specifically, the primitive dorsal mesocolon fails to fuse with the parietal peritoneum in the fifth month of gestation. Herein, we describe a case of ascending colon cancer with persistent ascending ...
Bykova Iu I Tomsk Polytechnic University, Lenin Ave. 30, 634050, Tomsk, Russia, - - 2014
The applications of synchrotron radiation (SR) in medical imaging have become of great use, particularly in angiography, bronchography, mammography, computed tomography, and X-ray microscopy. Thanks to recently developed phase contrast imaging techniques non-destructive preclinical testing of low absorbing materials such as polymers has become possible. The focus of the present ...
Zhu Ling Yin - - 2014
Narrow-band imaging (NBI) is an imaging technique for endoscopy using optical filters to narrow the bandwidth of spectral transmittance. Through this narrow spectrum, NBI contrasts surface structure and microvascular architecture of various lesions. In this article we focus on the application of NBI for early-stage neoplasia in the esophagus, stomach ...
Oh Gyungseok G School of Mechatronics, Gwangju Institute of Science and Technology, Gwangju, South Korea - - 2014
Intravital imaging has provided molecular, cellular and anatomical insight into the study of tumor. Early detection and treatment of gastrointestinal (GI) diseases can be enhanced with specific molecular markers and endoscopic imaging modalities. We present a wide-field multi-channel fluorescence endoscope to screen GI tract for colon cancer using multiple molecular ...
Sasaki Takeo T EM Business Unit, JEOL Ltd., 3-1-2 Musashino, Akishima, Tokyo 196-8558, Japan. Electronic address: - - 2014
The performance of aberration-corrected (scanning) transmission electron microscopy (S/TEM) at an accelerating voltage of 15kV was evaluated in a low-voltage microscope equipped with a cold-field emission gun and a higher-order aberration corrector. Aberrations up to the fifth order were corrected by the aberration measurement and auto-correction system using the diffractogram ...
van Haver Sven - - 2014
In this paper, a new methodology is presented to derive the aberration state of a lithographic projection system from wafer metrology data. For this purpose, new types of phase-shift gratings (PSGs) are introduced, with special features that give rise to a simple linear relation between the PSG image displacement and ...
Mamonov Alexander - - 2014
Colorectal polyps are important precursors to colon cancer, a major health problem. Colon capsule endoscopy (CCE) is a safe and minimally invasive examination procedure, in which the images of the intestine are obtained via digital cameras on board of a small capsule ingested by a patient. The video sequence is ...
Peirce C C Department of Surgery, University Hospital Limerick, Limerick, Ireland, - - 2014
The aim of the present study was to develop a unique anatomic replica of the mesocolon using digital graphical software in order to provide an educational template for mesosigmoidectomy. The colon and mesocolon were fully mobilized from ileocecal to mesorectal levels in a cadaver. Both colon and mesocolon provided a ...
Longcroft-Wheaton Gaius G Portsmouth Hospitals NHS Trust, Queen Alexandra Hospital, Cosham, Hamphire, PO6 3LY, - - 2014
The practice of colonoscopy has changed considerably over the last decade. The growth of image-enhanced endoscopy have altered our concepts of how we perform colonoscopy. This article examines the evidence base behind these techniques and looks at where future research needs to be directed.
Namías R R CIFASIS, French Argentine International Center for Information and Systems Sciences, UAM (France)/UNR-CONICET (Argentina), Bv. 27 de Febrero 210 Bis, 2000 Rosario, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina. Electronic address: - - 2014
Several diseases take place at the end of the digestive system. Many of them can be diagnosed by means of different medical imaging modalities together with computer aided detection (CAD) systems. These CAD systems mainly focus on the complete segmentation of the digestive tube. However, the detection of limits between ...
Jing Guojie G Department of Neurosurgery, Huizhou First People's Hospital, Huizhou, Guangdong Province, China ; Huizhou Neurosurgery Institute, Huizhou, Guangdong Province, - - 2014
Fractional anisotropy values in diffusion tensor imaging can quantitatively reflect the consistency of nerve fibers after brain damage, where higher values generally indicate less damage to nerve fibers. Therefore, we hypothesized that diffusion tensor imaging could be used to evaluate the effect of mild hypothermia on diffuse axonal injury. A ...
Rathore Saima S Department of Computer & Information Sciences, PIEAS, Pakistan Institute of Engineering and Applied Sciences, P.O. Nilore, Islamabad. Electronic address: - - 2014
In recent years, classification of colon biopsy images has become an active research area. Traditionally, colon cancer is diagnosed using microscopic analysis. However, the process is subjective and leads to considerable inter/intra observer variation. Therefore, reliable computer-aided colon cancer detection techniques are in high demand. In this paper, we propose ...
Hellan Minia M Division of Surgical Oncology, Department of Surgery, Boonshoft School of Medicine, Wright State University, 2300 Miami Valley Drive, Suite 350, Centerville, OH, 45459, USA, - - 2014
Hypoperfusion is an important risk factor for anastomotic leakage in colorectal surgery. This study was designed to evaluate the impact of fluorescence imaging on visualization of perfusion and subsequent change of transection line during left-sided robotic colorectal resections. Patients scheduled for robotic left-sided colon or rectal resections were enrolled in ...
Karygianni Lamprini L Department of Operative Dentistry and Periodontology, Albert-Ludwigs-University, Hugstetterstr, 55, 79106, Freidburg, - - 2014
Multiplex fluorescence in situ hybridization (M-FISH) constitutes a favorable microbiological method for the analysis of spatial distribution of highly variable phenotypes found in multispecies oral biofilms. The combined use of confocal laser scanning microscopy (CLSM) produces high-resolution three-dimensional (3D) images of individual bacteria in their natural environment. Here, we describe ...
Deleye Steven - - 2014
AbstractIn this study, we evaluated the partial volume effect (PVE) of 2-deoxy-2-[18F]fluoro-d-glucose (18F-FDG) tracer accumulation in the bladder on the positron emission tomographic (PET) image quantification in mice and rats suffering from inflammatory bowel disease. To improve the accuracy, we implemented continuous bladder flushing procedures. Female mice and rats were ...
Yuan Ye Y Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, - - 2014
Compared to most other forms of visually-guided motor activity, drawing is unique in that it "leaves a trail behind" in the form of the emanating image. We took advantage of an MRI-compatible drawing tablet in order to examine both the motor production and perceptual emanation of images. Subjects participated in ...
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