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https://www.readbyqxmd.com/read/28447150/anatomical-status-of-the-human-palatopharyngeal-sphincter-and-its-functional-implications
#1
Kaori Sumida, Yoshinori Ando, Shinichiro Seki, Kikuji Yamashita, Akira Fujimura, Otto Baba, Seiichiro Kitamura
PURPOSE: The transition muscle between the palatopharyngeus (PP) and the superior constrictor of the pharynx (SCP) encircles the pharyngeal isthmus from behind and is designated as the palatopharyngeal sphincter (PPS). The PPS is inferred to play important roles for velopharyngeal closure, but its existence remains controversial and its roles have been regarded as being played by the SCP. The present study aimed to clarify the anatomical status and functional implications of the PPS. MATERIALS AND METHODS: Macroscopic and microscopic examinations were performed on 39 and 4 cadavers, respectively...
April 26, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28443264/cancer-incidence-attributable-to-alcohol-consumption-in-alberta-in-2012
#2
Anne Grundy, Abbey E Poirier, Farah Khandwala, Alison McFadden, Christine M Friedenreich, Darren R Brenner
BACKGROUND: Alcohol consumption has been associated with risk of oral cavity/pharyngeal, laryngeal, esophageal, liver, colorectal and breast cancers. The purpose of this study was to estimate the proportion and total number of these cancers in Alberta in 2012 attributable to alcohol consumption. METHODS: We estimated cancers attributable to alcohol consumption in adults in Alberta using population attributable risk calculations. Relative risks were obtained from recent meta-analyses, and alcohol consumption in Alberta was quantified with the use of data from the Canadian Community Health Survey...
July 2016: CMAJ Open
https://www.readbyqxmd.com/read/28441829/-primary-ciliary-dyskinesia-with-hydin-gene-mutations-in-a-child-and-literature-review
#3
L L Chen, Y G Yang, J Z Wu, X R Chen
Objective: To review children's primary ciliary dyskinesia (PCD) in the pathogenesis, clinical manifestation, diagnosis and treatment. Method: To summarize and analyze the clinical data of a patient who was admitted to the first affiliated hospital of Xiamen University with primary ciliary dyskinesia in April 2014 while referring to related literature. Result: An 11 years old boy, weighting about 22 kg, had a course of more than 10 years with repeated cough, stuffy and runny nose shortly after the birth. Examinations after admission to hospital showed that he presented with visible clubbing, bilateral paranasal sinus area tenderness, pharynx posterior wall with visible yellow pussy stuff drip and bilateral lung had scattered wet rales...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28438112/h3n2-canine-influenza-virus-infection-in-a-dog
#4
C E Watson, C Bell, K Toohey-Kurth
In 2015, H3N2 canine influenza emerged in dogs in the greater Chicago area. During this time, a 10-year-old German Shepherd dog presented to the referring veterinarian with lethargy and coughing that quickly progressed to death. This report describes the macroscopic and microscopic lesions and the molecular testing performed to identify the novel North American H3N2 strain of canine influenza. The larynx, pharynx, and trachea were covered by a fibrinonecrotic membrane. Bilaterally, the lungs had multifocal subpleural necrosis of the caudal lung lobes with hemorrhage, congestion, and pulmonary edema...
May 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28429172/a-new-species-of-haematoloechus-looss-1899-digenea-plagiorchioidea-haematoloechidae-a-parasite-of-rana-psilonota-webb-and-r-zweifeli-hillis-frost-webb-anura-ranidae-in-mexico
#5
Virginia León-Règagnon, Ángeles R Romero-Mayén
During an inventory of the helminths of amphibians in Mexico, specimens of an undescribed species of Haematoloechus Looss, 1899 (Digenea: Haematoloechidae) were collected from the lungs of frogs of the "tarahumarae" group in western México. Haematoloechus longicollum n. sp. differs from other known species of Haematoloechus by the combination of the following characters: body elongate and slender in the preovarian region and broad and blunt in the postovarian region, ovary separated from the ventral sucker more than twice the ovary length, oral sucker to pharynx length ratio 1:0...
April 20, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28426426/pseudopecoelus-mccauleyi-n-sp-and-podocotyle-sp-digenea-opecoelidae-from-the-deep-waters-off-oregon-and-british-columbia-with-an-updated-key-to-the-species-of-pseudopecoelus-von-wicklen-1946-and-checklist-of-parasites-from-lycodes-cortezianus-perciformes-zoarcidae
#6
REVIEW
Charles K Blend, Norman O Dronen, Gabor R Racz, Scott L Gardner
Pseudopecoelus mccauleyi n. sp. (Opecoelidae: Opecoelinae) is described from the intestine of the bigfin eelpout, Lycodes cortezianus (Gilbert, 1890) (Perciformes: Zoarcidae), collected at 200-800 m depths in the Northeastern Pacific Ocean off Oregon and Vancouver Island, British Columbia. The new species is distinguished by possessing a unique combination of the following diagnostic characters: vitelline fields that extend to the posterior margin of the ventral sucker; a slender, tubular and sinuous seminal vesicle that extends some distance into the hindbody; an unspecialized, protuberant ventral sucker; a genital pore at pharynx level; lobed to deeply multilobed testes; a lobed ovary; and an egg size of 68-80 μm × 30-46 μm...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28418700/three-dimensional-analysis-of-upper-airway-morphology-in-skeletal-class-iii-patients-with-and-without-mandibular-asymmetry
#7
Xi Wen, Xiyu Wang, Shuqi Qin, Lorenzo Franchi, Yan Gu
OBJECTIVE: To compare the three-dimensional (3D) morphology of the upper airway in skeletal Class III patients with and without mandibular asymmetry and to investigate the possible underlying correlations between the morphology of the upper airway and mandibular deviation. MATERIALS AND METHODS: Cone-beam computed tomography images of 54 subjects with skeletal Class III malocclusion (ANB angle ≤ 0.4°, Wits ≤ -5.5°) were taken and 3D upper airway models were reconstructed using Dolphin 3D software...
April 18, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28418071/chronic-exposure-to-graphene-based-nanomaterials-induces-behavioral-deficits-and-neural-damage-in-caenorhabditis-elegans
#8
Ping Li, Tiantian Xu, Siyu Wu, Lili Lei, Defu He
Nanomaterials of graphene and its derivatives have been widely applied in recent years, but whose impacts on the environment and health are still not well understood. In the present study, the potential adverse effects of graphite (G), graphite oxide nanoplatelets (GO) and graphene quantum dots (GQDs) on the motor nervous system were investigated using nematode Caenorhabditis elegans as the assay system. After being characterized using TEM, SEM, XPS and PLE, three nanomaterials were chronically exposed to C...
April 18, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28389161/a-case-of-extensive-pharyngeal-vascular-malformation-successfully-treated-with-kampo-medicine
#9
Keiko Ogawa-Ochiai, Keigo Osuga, Kuniaki Hidaka, Kengo Nakahata, Yuko Tazuke, Yoshifumi Yamamoto, Shuichiro Uehara, Hiroomi Okuyama
OBJECTIVE: To present the efficacy of Japanese-traditional medicine (Kampo) for a case with vascular malformation. METHODS: A case study and literature review. PATIENT: A 62-year-old female presented with dysphagia and spitting blood. Esophagogastroduodenoscopy showed a longitudinal lobulated and septated mass in the posterior pharynx. On MR imaging, the mass showed hyperintensity on T2-weighted images and heterogeneous enhancement on Gadlinium-enhanced T1-weighted images, suggestive of a low-flow vascular malformation...
April 4, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28382146/vicious-circle-of-acute-radiation-toxicities-and-weight-loss-predicts-poor-prognosis-for-nasopharyngeal-carcinoma-patients-receiving-intensity-modulated-radiotherapy
#10
Guo Li, Xiong-Ying Jiang, Bo Qiu, Lu-Jun Shen, Chen Chen, Yun-Fei Xia
Background: Weight loss during radiotherapy has been known as a negative prognostic factor for nasopharyngeal carcinoma (NPC) patients, but the factors related to weight loss during radiotherapy were not fully understood. Methods: A total of 322 newly diagnosed NPC patients receiving intensity modulated radiotherapy (IMRT) in Sun Yat-sen University Cancer Center between June 2002 and August 2006 were enrolled. Kaplan-Meier methods and log-rank test were applied for survival analysis; a multiple regression was used to identify the factors related to weight loss during radiotherapy...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28375474/minimally-invasive-substernal-colonic-transposition-for-corrosive-strictures-of-the-upper-aerodigestive-tract
#11
J K Banerjee, R Saranga Bharathi
Corrosive upper aerodigestive tract strictures are conventionally treated by open surgery. Surgical advancements permit these strictures to be addressed with minimal invasion. Corrosive strictures treated minimally invasively over a 2-year period (2014-2015) were audited. Colonic mobilization and retrosternal tunneling were performed laparoscopically. The left colic vessel-based isoperistaltic colonic/ileocolonic segment was transposed substernally into the neck, aided by miniceliotomy. Proximal anastomosis was side-to-side esophagocolic in all patients except those who underwent pharyngolaryngectomy or partial laryngectomy, where pharyngocolic/pyriform fossa-ileal anastomosis was employed...
April 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28374817/ability-of-high-resolution-manometry-to-determine-feeding-method-and-to-predict-aspiration-pneumonia-in-patients-with-dysphagia
#12
Chul-Hyun Park, Yong-Taek Lee, Youbin Yi, Jung-Sang Lee, Jung Ho Park, Kyung Jae Yoon
OBJECTIVES: The introduction of high-resolution manometry (HRM) offered an improved method to objectively analyze the status of pharynx and esophagus. At present, HRM for patients with oropharyngeal dysphagia has been poorly studied. We aimed to determine feeding method and predict the development of aspiration pneumonia in patients with oropharyngeal dysphagia using HRM. METHODS: We recruited 120 patients with dysphagia who underwent both HRM and videofluoroscopic swallow study...
April 4, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28367079/reviewing-primary-sj%C3%A3-gren-s-syndrome-beyond-the-dryness-from-pathophysiology-to-diagnosis-and-treatment
#13
REVIEW
Tim Both, Virgil A S H Dalm, P Martin van Hagen, Paul L A van Daele
Primary Sjögren's syndrome (pSS) is a systemic autoimmune disease, characterized by lymphocytic infiltration of the secretory glands. This process leads to sicca syndrome, which is the combination of dryness of the eyes, oral cavity, pharynx, larynx and/or vagina. Extraglandular manifestations may also be prevalent in patients with pSS, including cutaneous, musculoskeletal, pulmonary, renal, hematological and neurological involvement. The pathogenesis of pSS is currently not well understood, but increased activation of B cells followed by immune complex formation and autoantibody production are thought to play important roles...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28362408/in-vitro-imaging-and-quantification-of-the-drug-targeting-efficiency-of-fluorescently-labeled-gnrh-analogues
#14
József Murányi, Attila Varga, Bianka Gurbi, Pál Gyulavári, Gábor Mező, Tibor Vántus
GnRH analogues are effective targeting moieties and able to deliver anticancer agents selectively into malignant tumor cells which highly express GnRH receptors. However, the quantitative analysis of GnRH analogues' cellular uptake and the investigated cell types in GnRH-based drug delivery systems are currently limited. Previously introduced, selectively labeled fluorescent GnRH I, -II and -III derivatives provide great detectability, and they have suitable chemical properties for reproducible and robust experiments...
March 21, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28361602/sex-differences-in-pharyngeal-airway-morphology-in-adults-with-skeletal-class-iii-malocclusion
#15
Maria Fernanda Rabelo Bozzini, José Valladares-Neto, João Batista de Paiva, José Rino-Neto
OBJECTIVES: To compare the pharyngeal airway dimensions in adults with skeletal Class III malocclusion and well-balanced faces, to ascertain whether sex can influence such measurements and to correlate skeletal pattern with pharyngeal dimensions. METHODOLOGY: Fifty adults were recruited and assigned to two groups: skeletal Class III (n = 25; 12 males and 13 females, mean age = 26.1 years), and skeletal Class I (n = 25; 11 males and 14 females, mean age = 26...
March 31, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28361201/swallowing-function-after-continuous-neuromuscular-electrical-stimulation-of-the-submandibular-region-evaluated-by-high-resolution-manometry
#16
Michael Jungheim, Christoph Schubert, Simone Miller, Martin Ptok
Although neuromuscular electrical stimulation (NMES) is increasingly used in dysphagia therapy, patient responses to NMES are inconsistent and conflicting results have been reported. This, together with a lack of information about the effects of NEMS on the swallowing process, has led to an ongoing debate about its impact on swallowing function. In order to address this, we set out to (i) collect baseline information on the physiological effects of NMES on the complex pharyngeal phase of swallowing and (ii) to compare two different stimulation protocols...
March 30, 2017: Dysphagia
https://www.readbyqxmd.com/read/28359557/chemocauterization-of-second-branchial-cleft-fistula-using-trichloroacetic-acid-a-preliminary-report
#17
Bo Hae Kim, Seong Keun Kwon, J Hun Hah
OBJECTIVE: Although second branchial cleft fistula (BCF) can be well treated with surgical excision, neck scarring is unavoidable. We previously reported chemocauterization with trichloroacetic acid (TCA) to close various fistulas. Here, we report chemocauterization of a second BCF without a consequent incision scar. METHODS: This procedure was applied in four pediatric patients whose parents were reluctant to undergo surgical excision for a second BCF. Under general anesthesia, a thin metal suction tip or cut down tube was inserted through the skin opening...
March 27, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28351562/prospective-evaluation-of-intensity-modulated-radiation-therapy-with-simultaneous-integrated-boost-imrt-sib-in-head-and-neck-squamous-cell-carcinoma-in-patients-not-suitable-for-chemo-radiotherapy
#18
Madhup Rastogi, Shantanu Sapru, Pooja Gupta, Ajeet Kumar Gandhi, Surendra P Mishra, Anoop K Srivastava, Rohini Khurana, Rahat Hadi, Kamal Sahni, Farzana S
BACKGROUND: With conformal radiotherapy techniques, acute and late toxicities can be reduced because of better dose conformity and reduced doses to normal tissue. With Intensity Modulated Radiation Therapy (IMRT) further dose escalation is possible and one of the methods is IMRT with simultaneous integrated boost (IMRT-SIB). AIM: To evaluate feasibility, toxicity patterns and loco-regional control rates of IMRT-SIB technique in head and neck cancer patients who are not suitable candidates for concurrent chemoradiation...
April 2017: Oral Oncology
https://www.readbyqxmd.com/read/28348061/alternative-polyadenylation-directs-tissue-specific-mirna-targeting-in-caenorhabditis-elegans-somatic-tissues
#19
Stephen M Blazie, Heather C Geissel, Henry Wilky, Rajan Joshi, Jason Newbern, Marco Mangone
mRNA expression dynamics promotes and maintains the identity of somatic tissues in living organisms, however, its impact in post-transcriptional gene regulation in these processes is not fully understood. Here, we have applied the PAT-Seq approach to systematically isolate, sequence, and map tissue specific mRNA from five highly studied Caenorhabditis elegans somatic tissues: GABAergic and NMDA neurons, arcade and intestinal valve cells, seam cells and hypodermal tissues, and studied their mRNA expression dynamics...
March 27, 2017: Genetics
https://www.readbyqxmd.com/read/28346382/the-balloon-based-manometry-evaluation-of-swallowing-in-patients-with-amyotrophic-lateral-sclerosis
#20
Jerzy Tomik, Barbara Tomik, Sebastian Gajec, Piotr Ceranowicz, Małgorzata Pihut, Rafał Olszanecki, Paweł Stręk, Jacek Składzień
The aim of the study was to analyse the disturbances of the oro-pharyngeal swallowing phase of dysphagia in amyotrophic lateral sclerosis (ALS) patients with the use of specific manometric measurements and to evaluate their plausible association with the duration of the disease. Seventeen patients with ALS were evaluated with manometric examinations of the oral and pharyngeal part of the gastrointestinal tract. Tests were carried out by using the oesophageal balloon-based method with four balloon transducers located 5 cm away from each other...
March 27, 2017: International Journal of Molecular Sciences
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