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https://www.readbyqxmd.com/read/27921123/local-control-and-intermediate-term-cosmetic-outcome-following-imrt-for-nasal-tumors-an-update
#1
Yuki Mukai, Stefan Janssen, Christoph Glanzmann, David Holzmann, Gabriela Studer
OBJECTIVE: This study aims to evaluate local control and intermediate-term cosmetic outcome in patients with cancer of the nose treated with intensity-modulated radiotherapy (IMRT). METHODS: From June 2008 to September 2015, 36 consecutive patients presenting with nasal cavity, ala of the nose, or nasal vestibule tumors were treated at the Department of Radiation Oncology, University Hospital Zurich either postoperatively (n = 14; 3/14 with nasal ablation) or with definitive IMRT (n = 22)...
December 5, 2016: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/27918749/correlation-of-nasal-mucosal-temperature-with-subjective-nasal-patency-in-healthy-individuals
#2
Ryan S Bailey, Kevin P Casey, Sachin S Pawar, Guilherme J M Garcia
Importance: Historically, otolaryngologists have focused on nasal resistance to airflow and minimum airspace cross-sectional area as objective measures of nasal obstruction using methods such as rhinomanometry and acoustic rhinometry. However, subjective sensation of nasal patency may be more associated with activation of cold receptors by inspired air than with respiratory effort. Objective: To investigate whether subjective nasal patency correlates with nasal mucosal temperature in healthy individuals...
December 1, 2016: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/27910089/bilateral-endolymphatic-hydrops-in-a-patient-with-migraine-variant-without-vertigo-a-case-report
#3
Isabelle Y Liu, Akira Ishiyama, Ali R Sepahdari, Kevin Johnson, Gail Ishiyama
OBJECTIVE: To use modern high-resolution inner ear imaging modalities to evaluate for endolymphatic hydrops (EH) in a patient with migraine-associated fluctuating hearing loss without vertigo spells or dizziness. BACKGROUND: EH has been well described in patients with Meniere's disease on both human temporal bone studies and modern high-resolution imaging; however, there is no study to date, to our knowledge, that examines the presence of EH in a patient with migraine and bilateral hearing loss...
December 2, 2016: Headache
https://www.readbyqxmd.com/read/27905141/first-case-of-sterility-associated-with-sex-chromosomal-abnormalities-in-a-jenny
#4
J Dorado, G Anaya, M Bugno-Poniewierska, A Molina, A Mendez-Sanchez, I Ortiz, M Moreno-Millán, M Hidalgo, P Peral García, S Demyda-Peyrás
Chromosomal abnormalities are one of the main causes of genetic infertility in horses. Currently, their detection rate is rising due to the use of new diagnostic tools employing molecular markers linked to the sex chromosome pair. Despite genetic similarities, there are no previous reports of sterility associated with chromosomal abnormalities in the domestic donkey (Equus asinus). Hereby, we determined the presence of a chromosomal mosaicism in a female donkey with reproductive problems using molecular methodologies developed for horses...
December 1, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27889918/inner-ear-labyrinth-anatomy-of-monotremes-and-implications-for-mammalian-inner-ear-evolution
#5
Julia A Schultz, Ulrich Zeller, Zhe-Xi Luo
The monophyletic clade Monotremata branches early from the rest of the mammalian crown group in the Jurassic and members of this clade retain many ancestral mammalian traits. Thus, accurate and detailed anatomical descriptions of this group can offer unique insight into the early evolutionary history of Mammalia. In this study, we examine the inner ear anatomy of two extant monotremes, Ornithorhynchus anatinus and Tachyglossus aculeatus, with the primary goals of elucidating the ancestral mammalian ear morphology and resolving inconsistencies found within previous descriptive literature...
November 27, 2016: Journal of Morphology
https://www.readbyqxmd.com/read/27883179/evidence-that-an-internal-schema-adapts-swallowing-to-upper-airway-requirements
#6
Seng Mun Wong, Rickie J Domangue, Sidney Fels, Christy L Ludlow
Hyoid and laryngeal movements contribute to laryngeal vestibule closure and upper esophageal sphincter opening during swallowing. Evidence of an internal sensorimotor scaling system allowing individuals to achieve these functional goals is lacking. In speech, speakers adjust their articulatory movement magnitude according to the movement distance required to reach an articulatory target for intelligible speech. We investigated if swallowing is similar in that movement amplitude may be scaled by the functional goal for airway protection during swallowing, rather than by head and neck size...
November 24, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27879529/morphometric-study-of-the-vestibular-aqueduct-in-patients-with-enlarged-vestibular-aqueduct
#7
Huiying Lyu, Keguang Chen, Youzhou Xie, Lin Yang, Tianyu Zhang, Peidong Dai
OBJECTIVE: To test whether there are significant differences in the morphologic features of the enlarged vestibular aqueduct (EVA) and its anatomic relationships with adjacent structures between EVA patients with and without other inner ear malformations. METHODS: The morphology of vestibular aqueduct, volume of vestibule, and anatomic location of facial nerve (FN) were compared among 3 groups. Group A, 18 control subjects; group B, 32 EVA patients without other inner ear malformations; group C, 14 EVA patients with other inner ear malformations...
November 23, 2016: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/27872606/an-exploratory-study-to-detect-m%C3%A3-ni%C3%A3-re-s-disease-in-conventional-mri-scans-using-radiomics
#8
E L van den Burg, M van Hoof, A A Postma, A M L Janssen, R J Stokroos, H Kingma, R van de Berg
OBJECTIVE: The purpose of this exploratory study was to investigate whether a quantitative image analysis of the labyrinth in conventional magnetic resonance imaging (MRI) scans using a radiomics approach showed differences between patients with Ménière's disease (MD) and the control group. MATERIALS AND METHODS: In this retrospective study, MRI scans of the affected labyrinths of 24 patients with MD were compared to the MRI scans of labyrinths of 29 patients with an idiopathic asymmetrical sensorineural hearing loss...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/27871286/maxillary-calcifying-epithelial-odontogenic-tumor-with-sinus-and-buccal-vestibule-extension-a-case-report-and-immunohistochemical-study
#9
Cristina Munteanu, Daniel Pirici, Alex Emilian Stepan, Adrian Camen, Claudiu Margaritescu
BACKGROUND: Calcifying epithelial odontogenic tumor (CEOT) is a rare benign neoplasia, locally aggressive, that tends to invade bone and adjacent soft tissues. This case report describes the thirteenth known case of CEOT with maxillary sinus extension and the second one that also involves the buccal vestibule mucosa with peculiar histopathological and immunohistochemical data. CASE PRESENTATION: Here we report the case of a 45-year-old female with a CEOT diagnosed and treated at the Oral & Maxillofacial Surgery Department, County Clinical Emergency Hospital of Craiova, Romania...
November 21, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27864031/fractional-co2-laser-treatment-of-the-vestibule-for-patients-with-vestibulodynia-and-genitourinary-syndrome-of-menopause-a-pilot-study
#10
Filippo Murina, Mickey Karram, Stefano Salvatore, Raffaele Felice
INTRODUCTION: Chronic vulvar pain and burning remains one of the most perplexing problems faced by practicing gynecologists. AIM: To evaluate the effectiveness and safety of the application of micro-ablative fractional CO2 laser to the vulvar vestibule in the management of patients with vulvar pain from vestibulodynia or genitourinary syndrome of menopause. METHODS: Patients (N = 70) underwent fractional micro-ablative CO2 laser treatment for vestibular pain plus vestibulodynia (n = 37) or genitourinary syndrome of menopause (n = 33)...
December 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27861889/margatoxin-bound-quantum-dots-as-a-novel-inhibitor-of-the-voltage-gated-ion-channel-kv1-3
#11
Austin B Schwartz, Anshika Kapur, Wentao Wang, Zhenbo Huang, Erminia Fardone, Goutam Palui, Hedi Mattoussi, Debra Ann Fadool
Venom-derived ion channel inhibitors have strong channel selectivity, potency, and stability; however, tracking delivery to their target can be challenging. Herein, we utilized luminescent quantum dots (QDs) conjugated to margatoxin (MgTx) as a traceable vehicle to target a voltage-dependent potassium channel, Kv1.3, which has a select distribution and well characterized role in immunity, glucose metabolism, and sensory ability. We screened both unconjugated (MgTx) and conjugated MgTx (QD-MgTx) for their ability to inhibit Shaker channels Kv1...
November 8, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27857817/conservative-socket-regeneration-with-buccal-wall-defect-using-guided-tissue
#12
Mohammed Jasim Al-Juboori
Progressive alveolar bone resorption after tooth extraction may lead to surgical and prosthetic-driven difficulties, especially when deciding to use a dental implant to replace the extracted tooth. This case report discusses an irreparable lower left second premolar tooth with a periodontal lesion on the buccal side. A preservative tooth extraction was performed. Then, the socket was grafted with bovine bone, a collagen membrane was placed between the buccal bone and the attached gingiva, covering the bone dehiscence buccally, and the socket without a flap was raised...
2016: Open Dentistry Journal
https://www.readbyqxmd.com/read/27855986/human-cochlear-hydrodynamics-a-high-resolution-%C3%AE-ct-based-finite-element-study
#13
Annalisa De Paolis, Hirobumi Watanabe, Jeremy T Nelson, Marom Bikson, Mark Packer, Luis Cardoso
Measurements of perilymph hydrodynamics in the human cochlea are scarce, being mostly limited to the fluid pressure at the basal or apical turn of the scalae vestibuli and tympani. Indeed, measurements of fluid pressure or volumetric flow rate have only been reported in animal models. In this study we imaged the human ear at 6.7 and 3-µm resolution using µCT scanning to produce highly accurate 3D models of the entire ear and particularly the cochlea scalae. We used a contrast agent to better distinguish soft from hard tissues, including the auditory canal, tympanic membrane, malleus, incus, stapes, ligaments, oval and round window, scalae vestibule and tympani...
November 10, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27853523/recent-advances-in-understanding-provoked-vestibulodynia
#14
REVIEW
Ahinoam Lev-Sagie, Steven S Witkin
Vulvodynia refers to pain in the vulva of at least 3 months' duration in the absence of a recognized underlying cause. Provoked, localized vestibulodynia is the term used to describe superficial pain confined to the vulvar vestibule, provoked by touch. This review will focus on provoked vestibulodynia with regard to its suggested causative factors and will discuss the role of inflammation, vulvovaginal infections, mucosal nerve fiber proliferation, hormonal associations, central pain mechanisms, pelvic floor muscle dysfunction, and genetic factors...
2016: F1000Research
https://www.readbyqxmd.com/read/27835643/the-environment-shapes-the-inner-vestibule-of-leut
#15
Azmat Sohail, Kumaresan Jayaraman, Santhoshkannan Venkatesan, Kamil Gotfryd, Markus Daerr, Ulrik Gether, Claus J Loland, Klaus T Wanner, Michael Freissmuth, Harald H Sitte, Walter Sandtner, Thomas Stockner
Human neurotransmitter transporters are found in the nervous system terminating synaptic signals by rapid removal of neurotransmitter molecules from the synaptic cleft. The homologous transporter LeuT, found in Aquifex aeolicus, was crystallized in different conformations. Here, we investigated the inward-open state of LeuT. We compared LeuT in membranes and micelles using molecular dynamics simulations and lanthanide-based resonance energy transfer (LRET). Simulations of micelle-solubilized LeuT revealed a stable and widely open inward-facing conformation...
November 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27833336/sub-periosteal-dissection-with-denture-guided-epithelial-regeneration-a-novel-method-for-peri-implant-soft-tissue-management-in-reconstructed-mandibles
#16
Vinay V Kumar, P C Jacob, Moni A Kuriakose
BACKGROUND: In patients with reconstructed mandibles using free fibula flaps, management of soft tissues around implants supporting dental rehabilitation, is often a clinical problem. AIM: The aim of this paper is to describe a new technique, namely "Sub-periosteal dissection and denture-guided epithelial regeneration (SD-DGER)", as a method of peri-implant soft tissue management in these patients. MATERIALS AND METHODS: The technique consists of performing a subperiosteal dissection with creation of buccal and lingual flaps...
December 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27826999/the-new-classification-system-for-inner-ear-malformations-the-incav-system
#17
Zehra Hilal Adibelli, Leyla Isayeva, Ali Murat Koc, Tolgahan Catli, Hamit Adibelli, Levent Olgun
CONCLUSIONS: The proposed INCAV system standardizes reporting of inner ear malformations; gives adequate information about the structures of inner ear; defines the ears which could not be classified before; and helps in the selection of the ear as the cochlear implant candidate. Also it is easy-to-use for radiologists, and useful to the referring otolaryngologists. OBJECTIVE: This study was conducted to explore a more specific, definitive classification system which was based on radiological criteria for inner ear malformations...
November 9, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27797501/mosaic-a-modular-single-molecule-analysis-interface-for-decoding-multi-state-nanopore-data
#18
Jacob H Forstater, Kyle Briggs, Joseph W F Robertson, Jessica Ettedgui, Olivier Marie-Rose, Canute Vaz, John J Kasianowicz, Vincent Tabard-Cossa, Arvind Balijepalli
Biological and solid-state nanometer-scale pores are the basis for numerous emerging analytical technologies for use in precision medicine. We developed MOSAIC (Modular Single-molecule Analysis Interface), an open source analysis software that improves the accuracy and throughput of nanopore-based measurements. Two key algorithms are implemented: ADEPT, which uses a physical model of the nanopore system to characterize short-lived events that do not reach their steady state current, and CUSUM+, a version of the cumulative sum statistical method optimized for longer events that do...
October 31, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27726136/prenatal-growth-stages-show-the-development-of-the-ruminant-bony-labyrinth-and-petrosal-bone
#19
Loïc Costeur, Bastien Mennecart, Bert Müller, Georg Schulz
Foetuses are a source of scientific information to understand the development and evolution of anatomical structures. The bony labyrinth, surrounding the organ of balance and hearing, is a phylogenetically and ecologically informative structure for which still little concerning growth and shape variability is known in many groups of vertebrates. Except in humans, it is poorly known in many other placentals and its prenatal growth has almost never been studied. Ruminants are a diversified group of placentals and represent an interesting case study to understand the prenatal growth of the ear region...
October 11, 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/27725177/perilymph-pharmacokinetics-of-locally-applied-gentamicin-in-the-guinea-pig
#20
A N Salt, J J Hartsock, R M Gill, E King, F B Kraus, S K Plontke
Intratympanic gentamicin therapy is widely used clinically to suppress the vestibular symptoms of Meniere's disease. Dosing in humans was empirically established and we still know remarkably little about where gentamicin enters the inner ear, where it reaches in the inner ear and what time course it follows after local applications. In this study, gentamicin was applied to the round window niche as a 20 μL bolus of 40 mg/ml solution. Ten 2 μL samples of perilymph were collected sequentially from the lateral semi-circular canal (LSCC) at times from 1 to 4 h after application...
December 2016: Hearing Research
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