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https://www.readbyqxmd.com/read/28101121/embryology-of-the-vno-and-associated-structures-in-the-grass-snake-natrix-natrix-squamata-naticinae-a-3d-perspective
#1
Paweł Kaczmarek, Mateusz Hermyt, Weronika Rupik
BACKGROUND: Snakes are considered to be vomerolfaction specialists. They are members of one of the most diverse groups of vertebrates, Squamata. The vomeronasal organ and the associated structures (such as the lacrimal duct, choanal groove, lamina transversalis anterior and cupola Jacobsoni) of adult lizards and snakes have received much anatomical, histological, physiological and behavioural attention. However, only limited embryological investigation into these structures, constrained to some anatomical or cellular studies and brief surveys, has been carried out thus far...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28099084/mechanisms-and-new-strategies-for-primary-sj%C3%A3-gren-s-syndrome
#2
Clio P Mavragani
Primary Sjögren's syndrome (SS) is a common chronic autoimmune disease characterized by lymphocytic infiltration of exocrine glands, mainly salivary and lacrimal, resulting in oral and ocular dryness, although virtually any organ system can be affected. SS-related systemic manifestations are classified as either related to the presence of periepithelial infiltrates in exocrine and parenchymal organs or resulting from immunocomplex deposition due to B cell hyperactivity with increased risk for B cell lymphoma development...
January 14, 2017: Annual Review of Medicine
https://www.readbyqxmd.com/read/28096609/studies-on-alterations-of-clinical-and-hemato-biochemical-parameters-before-and-after-treatment-in-calves-naturally-infected-with-theileriosis
#3
J P Kachhawa, Surender Kumar, Ankita Sharma, A P Singh, Anil Ahuja
AIM: The aim was to determine hemato-biochemical alterations and to determine the better treatment of theileriosis in naturally infected calves. MATERIALS AND METHODS: A total of 74 Holstein crossbred calves below 6 months of age, of either sex were included for present investigation in Bikaner. Based on the clinical examinations and laboratory results, 20 calves included for hemato-biochemical studies (before and after treatment) and divided into two groups (having 10 calves each)...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28092140/a-systematic-review-of-sinonasal-oncocytomas-and-oncocytic-carcinomas-diagnosis-management-and-technical-considerations
#4
REVIEW
Zerina Hodzic, Nicholas R Rowan, Ryota Kashiwazaki, Thomas J Willson, Eric W Wang, Stella E Lee
BACKGROUND: Oncocytomas and oncocytic carcinomas are rare tumors of the sinonasal cavity with the propensity for local invasion. This report and systematic review details a case of a nasal oncocytoma involving the lacrimal sac and provides an update of the current literature. METHODS: A systematic literature review was performed using PubMed and Ovid databases. The data obtained from published articles with sinonasal oncocytoma/oncocytic carcinoma as the primary diagnosis included patient demographics, presentation, radiographic and histologic findings, management, and recurrence rates...
January 16, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28088933/new-classification-of-ocular-foreign-bodies
#5
Bhartendu Shukla
Foreign bodies (FBs) in the eye are usually classified as intraocular (IOFB) or extraocular (EOFB). In IOFB the FB is within the eye ball and in EOFB it is outside. This classification seems oversimplified. Hence a new classification is proposed on the basis of FB locations, in which adnexal FBs (in orbit, lids, con- junctiva and lacrimal apparatus) are also included. These are further classified according to their exact location. FBs can also be classified in many other ways. Besides IOFB and EOFB, another condition IMFB (intramural foreign body) is also described...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28081151/human-lacrimal-gland-gene-expression
#6
Vinay Kumar Aakalu, Sowmya Parameswaran, Mark Maienschein-Cline, Neil Bahroos, Dhara Shah, Marwan Ali, Subramanian Krishnakumar
BACKGROUND: The study of human lacrimal gland biology and development is limited. Lacrimal gland tissue is damaged or poorly functional in a number of disease states including dry eye disease. Development of cell based therapies for lacrimal gland diseases requires a better understanding of the gene expression and signaling pathways in lacrimal gland. Differential gene expression analysis between lacrimal gland and other embryologically similar tissues may be helpful in furthering our understanding of lacrimal gland development...
2017: PloS One
https://www.readbyqxmd.com/read/28076899/genome-wide-association-analysis-reveals-genetic-heterogeneity-of-sj%C3%A3-gren-s-syndrome-according-to-ancestry
#7
Kimberly E Taylor, Quenna Wong, David M Levine, Caitlin McHugh, Cathy Laurie, Kimberly Doheny, Mi Y Lam, Alan N Baer, Stephen Challacombe, Hector Lanfranchi, Morten Schiødt, M Srinivasan, Hisanori Umehara, Frederick B Vivino, Yan Zhao, Stephen Shiboski, Troy E Daniels, John S Greenspan, Caroline H Shiboski, Lindsey A Criswell
OBJECTIVE: Sjögren's Syndrome (SS) is a systemic autoimmune disease affecting primarily the lacrimal and salivary glands. The Sjögren's International Collaborative Clinical Alliance (SICCA) is an international multisite observational study whose participants have been genotyped on the Omni 2.5M platform and undergone deep phenotyping using common protocol-directed methods, providing a unique opportunity to examine the genetic etiology of SS across ancestry and disease subsets. METHODS: We perform GWAS analyses utilizing dbGaP controls on all subjects (1405 cases, 1622 SICCA controls, 3125 external controls), European (similarly 585, 966, 2580), and Asian (similarly 460, 224, 901) with ancestry adjustments via principal component analyses...
January 11, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28076573/dacryoliths-causing-intermittent-epiphora-associated-with-a-patent-lacrimal-system
#8
Yerena Muiños Díaz, Alicia Galindo-Ferreiro, Patricia M Akaishi
We present two patients with dacryoliths and patent lacrimal drainage with intermittent tearing and without infection. Dacryoliths can be present in the lacrimal sac or lacrimal duct without acute or chronic inflammation. In these cases, we believe dacryolith formation was a causative factor of intermittent epiphora even with a patent drainage system, and we propose that dacryoliths and even fungal colonization formation may be the first event before dacryocystitis and should be considered as a cause of epiphora...
November 2016: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28074704/the-toxicology-of-zinc-chloride-smoke-producing-bombs-and-screens
#9
Ayman El Idrissi, Lisanne van Berkel, Nadia E Bonekamp, Diana J Z Dalemans, Marcel A G van der Heyden
CONTEXT: Zinc chloride (ZnCl2)-based smoke bombs and screens are in use since the Second World War (1939-1945). Many case descriptions on ZnCl2 smoke inhalation incidents appeared since 1945. OBJECTIVE: We provide a comprehensive overview of the clinical symptoms and underlying pathophysiology due to exposure to fumes from ZnCl2 smoke producing bombs. In addition, we give a historical overview of treatment regimens and their outcomes. METHODOLOGY: We performed a literature search on Medline, Scopus and Google Scholar databases using combinations of the following search terms "smoke bomb", "smoke screen", "ZnCl2", "intoxication", "poisoning", "case report", "HE smoke", "hexachloroethane smoke", "smoke inhalation" and "white smoke"...
January 11, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28069907/eye-swelling-and-lacrimal-gland-lymphoma
#10
Priyadarshini Loganathan, Mahesh Gajendran
We report an interesting case of lacrimal gland diffuse large B-cell lymphoma (DLBCL) in a 54 year old male who presented with 4 week history of progressively worsening eye swelling. The diagnosis was confirmed with orbital biopsy and the patient was started on chemotherapy with improvement in the eye swelling.
January 9, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28063355/orbital-oncocytoma-evaluation-with-dynamic-contrast-enhanced-magnetic-resonance-imaging-using-a-time-signal-intensity-curve-and-positive-enhancement-integral-images
#11
Nutchawan Jittapiromsak, Ping Hou, Michelle D Williams, T Linda Chi
Oncocytomas, which are benign epithelial tumors filled with abundant mitochondria, arise from ductal cells. Oncocytomas rarely occur in the orbit. We present a case of pathologically proven orbital oncocytoma of the lacrimal gland studied by dynamic contrast-enhanced magnetic resonance imaging (DCE MRI). DCE MRI has potential as an adjunct to conventional MRI in the differential diagnosis and tumor margin delineation of orbital oncocytoma. Simple assessments of the time-signal intensity curve, semiquantitative parameters, and post-processing positive enhancement integral images should be considered in the evaluation of orbital masses found on MRI...
December 6, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/28060936/clinical-evaluation-of-a-royal-jelly-supplementation-for-the-restoration-of-dry-eye-a-prospective-randomized-double-blind-placebo-controlled-study-and-an-experimental-mouse-model
#12
Sachiko Inoue, Motoko Kawashima, Ryuji Hisamura, Toshihiro Imada, Yusuke Izuta, Shigeru Nakamura, Masataka Ito, Kazuo Tsubota
BACKGROUND: Dry eye is a multifactorial disease characterized by ocular discomfort and visual impairment. Lacrimal gland function has been shown to decrease with aging, a known potent risk factor for dry eye. We have previously found that orally administrated royal jelly (RJ) restored tear secretion in a rat model of dry eye. METHODS AND FINDINGS: We examined the effects of RJ oral administration on dry eye in this prospective, randomized, double-blind, placebo-controlled study...
2017: PloS One
https://www.readbyqxmd.com/read/28058942/chronic-paroxysmal-headache-secondary-to-an-orbital-metastatic-leiomyosarcoma-a-case-report
#13
Hyun Ah Choi, Mi Ji Lee, Chin-Sang Chung
Background Intraorbital lesions associated with symptomatic trigeminal autonomic cephalalgias (TACs) are rarely reported. We present a case of orbital metastatic leiomyosarcoma, presenting with chronic paroxysmal hemicrania-like headache. Case report A 43-year-old man presented with a severe paroxysmal headache in his left periocular and frontal area for a year. The attacks occurred 10-12 times per day, lasting 10-15 minutes with ipsilateral lacrimation and conjunctival injection. Neurological examination and brain MRI without contrast were unremarkable...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28051088/lacrimal-gland-derived-il-22-regulates-il-17-mediated-ocular-mucosal-inflammation
#14
Y W Ji, S K Mittal, H S Hwang, E-J Chang, J H Lee, Y Seo, A Yeo, H Noh, H S Lee, S K Chauhan, H K Lee
Inflammatory damage of mucosal surface of the eye is a hallmark of dry eye disease (DED) and, in severe cases, can lead to significant discomfort, visual impairment, and blindness. DED is a multifactorial autoimmune disorder with a largely unknown pathogenesis. Using a cross-sectional patient study and a well-characterized murine model of DED, herein we investigated the immunoregulatory function of interleukin-22 (IL-22) in the pathogenesis of DED. We found that IL-22 levels were elevated in lacrimal fluids of DED patients and inversely correlated with severity of disease...
January 4, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28050416/a-rare-case-of-an-atypical-solitary-fibrous-tumour-of-orbit
#15
Hetal Mahendra Mehta, Avinash Babarao Ingole, Anuja Mihir Gharat, Sujit Mardansingh Murade, Anjali Darius Nicholson
Solitary fibrous tumours are of mesenchymal origin and comprise of uncommon spindle cell neoplasias. Most commonly the lesions arise from pleura but other rarer sites include lungs, peritoneum, pericardium, nasal cavities, thyroid, parotid gland and orbit. We report the case of a 41-year-old male patient who presented to us with a painless, progressive growth of a mass in the superior part of left orbit with proptosis and inferotemporal displacement of the left eye. Computed Tomography (CT) scan revealed homogeneous enhancing lesion in the superior compartment of left orbit in the extraconal region, extending intraconally and distorting the globe...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28050326/use-of-botulinum-neurotoxin-in-ophthalmology
#16
REVIEW
Emel Başar, Ceyhun Arıcı
Botulinum neurotoxin (BoNT) is the first biological toxin used in the treatment of ophthalmic diseases and to decrease skin wrinkles as an aesthetic agent. When used appropriately, it weakens the force of muscular contraction and/or inhibits glandular secretion. The most common areas for botulinum toxin treatment are the upper face, including the glabella, forehead, brows, and lateral canthal lines, or crow's feet. By relaxing the muscles causing wrinkles, non-permanent results may be achieved with its use...
December 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28043400/dental-issues-in-lacrimo-auriculo-dento-digital-syndrome-an-autosomal-dominant-condition-with-clinical-and-genetic-variability
#17
M J Hajianpour, Hannah Bombei, Scott M Lieberman, Rachael Revell, Rachana Krishna, Robert Gregorsok, Simon Kao, Jeff M Milunsky
BACKGROUND AND OVERVIEW: Lacrimo-auriculo-dento-digital (LADD) syndrome is an autosomal dominant disorder with variable lacrimal and salivary gland hypoplasia and aplasia, auricular anomalies and hearing loss, dental defects and caries, and digital anomalies. CASE DESCRIPTION: The authors present the cases of 2 unrelated children with enamel defects and history of dry mouth leading to recurrent dental caries. The referring diagnoses were Sjögren disease and hypohidrotic ectodermal dysplasia, respectively...
December 30, 2016: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28033649/thrombospondin-derived-peptide-attenuates-sj%C3%A3-gren-s-syndrome-associated-ocular-surface-inflammation-in-mice
#18
Laura Contreras-Ruiz, Fayaz A Mir, Bruce Turpie, Sharmila Masli
Sjögren's syndrome is a second most common rheumatic disease in which autoimmune response targets exocrine glands (salivary and lacrimal glands) resulting in clinical symptoms of dry mouth and dry eye. Inflammation of the lacrimal gland induces tear abnormalities that contribute to the inflammation of the ocular surface, which includes ocular mucosa. Thrombospondin-1 (TSP-1) plays a critical regulatory role in the ocular mucosa and as such TSP-1-/- mice spontaneously develop chronic ocular surface inflammation associated with Sjögren's syndrome (SS)...
December 29, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28032166/periorbital-and-intraorbital-studies-of-the-terminal-branches-of-the-ophthalmic-artery-for-periorbital-and-glabellar-filler-placements
#19
Tanvaa Tansatit, Prawit Apinuntrum, Thavorn Phetudom
BACKGROUND: Filler injections for sunken upper eyelid correction and glabellar augmentation at the orbitoglabellar region need to be performed correctly. Precise knowledge of the emerging sites of all terminal branches of the ophthalmic artery is essential for these procedures to be conducted safely. METHODS: The terminal branches of the ophthalmic artery were studied in both periorbital and intraorbital dissections. The aim of this study was to verify the critical positions of the emerging sites at the orbital septum that may act as potential retrograde channels for filler emboli...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28029231/measurement-of-lacrimal-punctum-using-spectralis-domain-anterior-optical-coherence-tomography
#20
Youngje Sung, Jong Seo Park, Helen Lew
PURPOSE: Anterior segment optical coherence tomography (AS-OCT) was used to image the lacrimal punctum and establish normal punctal parameters including the tear volume inside the punctum. METHODS: This study included totally 67 eyes from 38 normal subjects. Punctal parameters and tear meniscus height (TMH) were measured using spectralis OCT anterior-segment scans. Outer punctal diameter (OPD), punctal depth, tear well diameter (TWD), tear well depth, punctal reserve (PR) and lower eyelid TMH were assessed...
December 28, 2016: Acta Ophthalmologica
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