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https://www.readbyqxmd.com/read/28822724/finding-the-ledge-sagittal-analysis-of-bony-landmarks-of-the-orbit
#1
Peter J J Gooris, Barbara S Muller, Leander Dubois, Jan E Bergsma, Gertjan Mensink, Maaike F E van den Ham, Alfred G Becking, Karlien Seubring
PURPOSE: This study determined the average distances and angles between anatomic landmarks within the orbit, with an emphasis on localization of the orbital process of the palatine bone. This information will help the surgeon with treatment planning and surgical procedures. PATIENTS AND METHODS: Four anatomic landmarks were identified retrospectively on computed tomograms of 100 adult Caucasian patients (50 men and 50 women): the top of the infraorbital margin superior to the infraorbital foramen (point A), the top of the orbital process of the palatine bone (point B), the anteriormost bony portion of the superior orbital fissure (point C), and the ventrolateral aspect of the bony entrance of the optic canal (point D)...
July 25, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28822722/soft-tissue-changes-in-patients-undergoing-intraoral-quadrangular-le-fort-ii-osteotomy-versus-conventional-le-fort-i-osteotomy
#2
F Wagner, M Figl, J Cede, K Schicho, K Sinko, C Klug
PURPOSE: The aim of this study was to evaluate soft tissue changes after intraoral quadrangular Le Fort II osteotomy (IOQLFII) and correlate those changes to underlying osseous changes. MATERIALS AND METHODS: Twenty-six non-growing patients with midfacial deficiency and Class III malocclusion were analyzed. A study group of 13 patients who underwent IOQLFII was compared with 13 patients who underwent conventional Le Fort I osteotomy (LFI). After fusion of pre- and postoperative computed tomograms, each patient's hard and corresponding soft tissue changes were measured...
July 25, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28822310/gastroblastoma-a-biphasic-neoplasm-of-stomach-a-case-report
#3
Omar Toumi, Houssem Ammar, Ibtissem Korbi, Mariem Ayed, Rahul Gupta, Mohamed Nasr, Randa Salem, Rim Hadhri, Sonia Zayed, Faouzi Noomen, Abdelfatteh Zakhama, Khadija Zouari
INTRODUCTION: Gastroblastoma is a rare gastric biphasic tumor with both epithelial and mesenchymal components. To the best of our knowledge only eight cases have been reported in the English literature till date. PRESENTATION OF CASE: We report a case of a 29-year-old female, hospitalized for epigastric pain with poor general condition. An upper gastrointestinal endoscopy showed a polypoid mass in the stomach near the gastric cardia suspicious of gastrointestinal stromal tumor...
July 14, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28820939/attachment-of-a-ruii-complex-to-a-self-folding-hexaamide-deep-cavitand
#4
Saša Korom, Pablo Ballester
We report the design, synthesis and characterization of a new RuII metallocavitand that is catalytically active in alkene epoxidation reactions. The elaboration of the resorcin[4]arene's aromatic cavity produced a self-folding, deep hex-aamide cavitand featuring a single diverging terpyridine (tpy) group installed at its upper rim. The construction of the metallocavitand involved the initial chelation of a RuIII chloride complex by the tpy ligand followed by the incorpora-tion of 2-(phenylazo)pyridine (azpy) as an ancillary ligand...
August 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28820293/lacrimal-gland-abscess-in-children-two-case-reports-and-literature-review
#5
Tracy Hiu Ting Lai, Frank Hiu Ping Lai, Tommy Chung Yan Chan, Alvin Lerrmann Young, Kelvin Kam Lung Chong
Acute suppurative bacterial dacryoadenitis (ASBD) with abscess formation is rarely seen in clinical practice. A retrospective review of medical records in the past 8 years identified two unilateral cases in children, one developed presumably after methicillin-sensitive Staphylococcus aureus (MSSA) conjunctivitis and the other due to community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) infection. Computerized tomography scans showed globe indentation by the enlarged lacrimal glands with rim-enhancing lesions...
August 18, 2017: Orbit
https://www.readbyqxmd.com/read/28820280/review-of-periorbital-nerve-enlargement-and-biopsy-techniques
#6
Valerie H Chen, Brent R Hayek, Hans E Grossniklaus, Ted H Wojno, H Joon Kim
Periorbital nerve enlargement commonly indicates perineural invasion of malignancy or inflammatory conditions. This study reviews the role of supraorbital and infraorbital nerve biopsies in patients presenting with radiographic enlargement and to elucidate the surgical technique involved. A retrospective chart review (1997-2014) was performed at a single tertiary center. Patients with radiographic confirmation of enlarged supraorbital/infraorbital nerves that underwent biopsy were included. Charts were reviewed for: patient demographics and history, clinical symptoms and findings, radiographic findings, surgical method, and treatment...
August 18, 2017: Orbit
https://www.readbyqxmd.com/read/28817094/combined-dynamic-time-warping-with-multiple-sensors-for-3d-gesture-recognition
#7
Hyo-Rim Choi, TaeYong Kim
Cyber-physical systems, which closely integrate physical systems and humans, can be applied to a wider range of applications through user movement analysis. In three-dimensional (3D) gesture recognition, multiple sensors are required to recognize various natural gestures. Several studies have been undertaken in the field of gesture recognition; however, gesture recognition was conducted based on data captured from various independent sensors, which rendered the capture and combination of real-time data complicated...
August 17, 2017: Sensors
https://www.readbyqxmd.com/read/28816897/surgical-correction-of-cam-deformity-in-association-with-femoroacetabular-impingement-and-its-impact-on-the-degenerative-process-within-the-hip-joint
#8
Paul E Beaulé, Andrew D Speirs, Helen Anwander, Gerd Melkus, Kawan Rakhra, Hanspeter Frei, Mario Lamontagne
BACKGROUND: Cam morphology in association with femoroacetabular impingement (FAI) is a recognized cause of hip pain and cartilage damage and proposed as a leading cause of arthritis. The purpose of this study was to analyze the functional and biomechanical effects of the surgical correction of the cam deformity on the degenerative process associated with FAI. METHODS: Ten male patients with a mean age of 34.3 years (range, 23.1 to 46.5 years) and a mean body mass index (and standard deviation) of 26...
August 16, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28815639/safety-tolerability-and-pharmacokinetic-characteristics-of%C3%A2-a-novel-nonopioid-analgesic-vvz-149-injections-in-healthy-volunteers-a-first-in-class-first-in-human-study
#9
Jaeseong Oh, SeungHwan Lee, Anhye Kim, Jangsoo Yoon, Kyungho Jang, Doo H Lee, Sunyoung Cho, Sang Rim Lee, Kyung-Sang Yu, Jae-Yong Chung
VVZ-149, a dual antagonist of GlyT2 and 5HT2 A receptors, is an investigational analgesic with a novel mechanism of action that is currently under early-stage clinical development as an injectable agent for the treatment of postoperative pain. Here, the safety, tolerability, and pharmacokinetics of VVZ-149 injections in healthy male volunteers were explored in a randomized, double-blind, single- and multiple-ascending-dose (SAD and MAD, respectively), placebo-controlled clinical study. Subjects randomly received a 4-hour intravenous infusion of 0...
August 16, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28815587/beveled-posteromedial-corner-of-the-radial-head-a-three-dimensional-micro-computed-tomography-modeling-study
#10
Arnold Adikrishna, Young-Ho Shin, Rizki F Zulkarnain, Hanpyo Hong, Yucheng Sun, In-Ho Jeon
The posteromedial quadrant of the radial head is known to be different from the other quadrants. However, the explanation of this unique anatomical feature remains elusive. Hence, this study was designed to address this unique anatomical variance using three-dimensional μCT (micro-computed tomography) analysis. Nine fresh cadaveric radial heads were scanned using μCT. Three-dimensional subchondral bone and cartilage models were rendered. Both models were separated into the four quadrants at both the periphery (rim) and the articulating dish (fovea): anteromedial (AM), posteromedial (PM), posterolateral (PL), and anterolateral (AL)...
August 15, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28815449/electrodeposition-of-sno2-on-fto-and-its-application-in-planar-heterojunction-perovskite-solar-cells-as-an-electron-transport-layer
#11
Yohan Ko, Yeong Rim Kim, Haneol Jang, Chanyong Lee, Man Gu Kang, Yongseok Jun
We report the performance of perovskite solar cells (PSCs) with an electron transport layer (ETL) consisting of a SnO2 thin film obtained by electrochemical deposition. The surface morphology and thickness of the electrodeposited SnO2 films were closely related to electrochemical process conditions, i.e., the applied voltage, bath temperature, and deposition time. We investigated the performance of PSCs based on the SnO2 films. Remarkably, the experimental factors that are closely associated with the photovoltaic performance were strongly affected by the SnO2 ETLs...
August 16, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28815300/holaphyllamine-a-steroid-is-able-to-induce-defense-responses-in-arabidopsis-thaliana-and-increases-resistance-against-bacterial-infection
#12
Abderrakib Zahid, Rim Jaber, Ferdousse Laggoun, Arnaud Lehner, Isabelle Remy-Jouet, Olivier Pamlard, Sandra Beaupierre, Jérome Leprince, Marie-Laure Follet-Gueye, Maïté Vicré-Gibouin, Xavier Latour, Vincent Richard, Catherine Guillou, Patrice Lerouge, Azeddine Driouich, Jean-Claude Mollet
A chemical screen of plant-derived compounds identified holaphyllamine, a steroid, able to trigger defense responses in Arabidopsis thaliana and improve resistance against the pathogenic bacterium Pseudomonas syringae pv tomato DC3000. A chemical screen of 1600 plant-derived compounds was conducted and allowed the identification of a steroid able to activate defense responses in A. thaliana at a concentration of 1 µM without altering growth. The identified compound is holaphyllamine (HPA) whose chemical structure is similar to steroid pregnanes of mammals...
August 16, 2017: Planta
https://www.readbyqxmd.com/read/28814326/distal-defect-of-the-humerus-a-possible-normal-variant-a-case-report
#13
Akio Sakamoto, Shuichi Matsuda
BACKGROUND: Many normal variants of bones on plain radiographs have been reported. CASE PRESENTATION: In the current report, a 14-year-old Asian girl noticed an occasional slight elbow pain. She had no traumatic episode. Plain radiographs showed a well-defined osteolytic lesion with a sclerotic rim, which was continuous with the normal subarticular bone in the distal humerus. Magnetic resonance imaging revealed that the defect area seen on the plain radiograph showed low-signal to iso-signal intensity on T1-weighted images and slightly high-signal intensity on T2-weighted fat suppression images...
August 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28813199/hypoglossal-canal-lesions-distinctive-imaging-features-and-simple-diagnostic-algorithm
#14
Steven M Weindling, Christopher P Wood, Joseph M Hoxworth
OBJECTIVE: The objective of this study is to compare the prevalence of hypoglossal canal lesions and identify differentiating imaging features. MATERIALS AND METHODS: A 15-year retrospective review of lesions of the hypoglossal nerve and hypoglossal canal, excluding those in patients with metastasis or prior head and neck cancer and those treated with radiation or surgery, was performed. Clinical findings and lesion imaging features were documented. The contrast-enhanced T1-weighted non-enhancing cystic component of hypoglossal schwannomas was compared with size-matched pathologically proven vestibular schwannomas...
August 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28812912/a-case-of-orbital-dirofilariasis-in-new-york
#15
Stephen Walters, Michael H Levi, Christina M Coyle, Jean Park, Anne Barmettler
A 39-year-old female presented with a 5-day history of left inferonasal periocular swelling and associated intermittent itching. Ophthalmologic examination demonstrated a 4 × 8 mm subcutaneous painless mass localized anterior to the medial left lower orbital rim. An excision of the mass was performed, and pathology revealed Dirofilaria. The patient improved over the 3 months of postoperative follow-up. Although several human cases of pulmonary dirofilariasis have been reported in the United States, periocular dirofilariasis has been rarely reported in the United States...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28812839/just-say-no-to-the-tpp-a-democratic-setback-for-american-and-asian-public-health-comment-on-the-trans-pacific-partnership-is-it-everything-we-feared-for-health
#16
Carles Muntaner, Deb Finn Mahabir
(TPP) policy and the severe threats to public health that it implies for 12 Pacific Rim populations from the Americas and Asia (Australia, Brunei, Canada, Chile, Japan, Malaysia, Mexico, New Zealand, Peru, Singapore, United States, and Vietnam). With careful and analytic precision the authors convincingly unearth many aspects of this piece of legislation that undermine the public health achievements of most countries involved in the TTP. Our comments complement their policy analysis with the aim of providing a positive heuristic tool to assist in the understanding of the TPP, and other upcoming treaties like the even more encompassing Transatlantic Trade and Investment Partnership (TTIP), and in so doing motivate the public health community to oppose the implementation of the relevant provisions of the agreements...
November 6, 2016: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28812417/lacrimal-gland-abscesses-case-series-and-literature-review
#17
Brian Savoie, Rand Rodgers, Matthew Gorski
Acute dacryoadenitis with abscess formation has been rarely described. We describe four cases that resolved with incision and drainage. This includes a retrospective case series of four patients with radiologically confirmed lacrimal gland abscesses and a review of the reported cases in the literature. Computed tomography showed characteristic rim enhancing collections with central attenuation in all four cases. All patients presented with ptosis, upper eyelid erythema, and severe pain similar to scleritis...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28812360/silicon-cations-intermixed-indium-zinc-oxide-interface-for-high-performance-thin-film-transistors-using-a-solution-process
#18
Jae Won Na, You Seung Rim, Hee Jun Kim, Jin Hyeok Lee, Seonghwan Hong, Hyun Jae Kim
Solution-processed amorphous metal-oxide thin-film transistors (TFTs) utilizing an intermixed interface between a metal-oxide semiconductor and a dielectric layer are proposed. In-depth physical characterizations are carried out to verify the existence of the intermixed interface which is inevitably formed by inter-diffusion of cations originated from a thermal process. In particular, when indium zinc oxide (IZO) semiconductor and silicon dioxide (SiO2) dielectric layer are in contact and thermally processed, a Si(4+) intermixed IZO (Si:IZO) interface is created...
August 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28811043/treatment-of-the-fixation-surface-improves-glenoid-prosthesis-longevity-in-vitro
#19
Sarah Junaid, Sanjay Sanghavi, Carolyn Anglin, Anthony Bull, Roger Emery, Andrew A Amis, Ulrich Hansen
Many commercial cemented glenoid components claim superior fixation designs and increased survivability. However, both research and clinical studies have shown conflicting results and it is unclear whether these design variations do improve loosening rates. Part of the difficulty in investigating fixation failure is the inability to directly observe the fixation interface, a problem addressed in this study by using a novel experimental set-up. Cyclic loading-displacement tests were carried out on 60 custom-made glenoid prostheses implanted into a bone substitute...
July 22, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28810554/beneficial-effects-of-dried-pomegranate-juice-concentrated-powder-on-ultraviolet-b-induced-skin-photoaging-in-hairless-mice
#20
Su-Jin Kang, Beom-Rak Choi, Seung-Hee Kim, Hae-Yeon Yi, Hye-Rim Park, Chang-Hyun Song, Sae-Kwang Ku, Young-Joon Lee
The present study investigated the anti-aging effects of pomegranate juice concentrated powder (PCP) in hairless mice following 15 weeks of UVB irradiation (three times a week; 0.18 J/cm(2)). Skin moisturizing effects were evaluated through skin water, collagen type I and hyaluronan contents, as well as collagen type I and hyaluronan synthesis-related transcript levels. Wrinkle formation and edema scores (skin weights) were also assessed, along with skin matrix metalloproteinase (MMP)-1, MMP-9 and MMP-13 transcript levels...
August 2017: Experimental and Therapeutic Medicine
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