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https://www.readbyqxmd.com/read/28241724/-clinical-analysis-of-cervical-posterior-internal-fixation-titanium-plate-and-silk-suspension-internal-fixation-cervical-spondylosis
#1
X N Xu, H Y Liu
Objective: To evaluate the clinical effect and imaging evaluation of cervical spine myelopathy treated with Centerpiece. Methods: A retrospective study of 60 patients underwent posterior cervical spine surgery because of cervical myelopathy in Spinal Department of Peking University People's Hospital from July 2011 to January 2013.According to the different fixation methods, all patients were divided into cervical posterior open-door Centerpiece fixation group (group A) and cervical posterior open-door silk suspension fixation group (group B)...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241721/-radiographic-assessment-of-vertebral-artery-injury-in-anterior-cervical-surgery-in-healthy-adults
#2
H L Wang, L Jiang, F Z Lyu, X S Ma, X L Xia, J Y Jiang
Objectives: To study the relationship between the anatomical parameters of transverse foramen and intervertebral discs in the cross-section of the cervical spine in healthy adults, and to evaluate the risk of vertebral artery injury in the anterior cervical spine surgery. Methods: There were 24 healthy adults(12 male, 12 female) underwent neck CT angiography with clear vertebral artery and the adjacent structure imaging from June to December 2014 in Huashan Hospital, Fudan University. The anatomical parameters of vertebral artery V2 segment with lower cervical vertebrae and intervertebral discs were measured by cross-sectional images of C(3-6)...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241716/-effect-analysis-of-anterior-cervical-operation-for-severe-cervical-kyphosis
#3
X L Shen, H Q Wu, Z H Hu, Y Liu, X W Wang, H J Chen, P Cao, Y Tian, C Yang, W Yuan
Objective: To determine the feasibility and safety of anterior cervical decompression and fusion in severe cervical kyphosis treatment. Methods: Totally 29 patients with severe cervical kyphosis(Cobb angle>50°) underwent anterior cervical decompression and fusion from June 2008 to May 2016 were studied retrospectively. There were 19 males and 10 females. The average age was 32.6 years ranging from 14 to 53 years. According to the etiology, 12 patients had iatrogenic deformity (11 had post-laminectomy cervical kyphosis, 1 had kyphosis due to anterior graft subsidence), 5 had neurofibromatosis, 4 had infective kyphosis, 8 had idiopathic cervical kyphosis...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28241420/antiosteoporotic-activity-of-genistein-aglycone-in-postmenopausal-women-evidence-from-a-post-hoc-analysis-of-a-multicenter-randomized-controlled-trial
#4
Vincenzo Arcoraci, Marco Atteritano, Francesco Squadrito, Rosario D'Anna, Herbert Marini, Domenico Santoro, Letteria Minutoli, Sonia Messina, Domenica Altavilla, Alessandra Bitto
Genistein has a preventive role against bone mass loss during menopause. However, experimental data in animal models of osteoporosis suggest an anti-osteoporotic potential for this isoflavone. We performed a post-hoc analysis of a previously published trial investigating the effects of genistein in postmenopausal women with low bone mineral density. The parent study was a randomized, double-blind, placebo-controlled trial involving postmenopausal women with a femoral neck (FN) density <0.795 g/cm². A cohort of the enrolled women was, in fact, identified at the baseline as osteoporotic (n = 121) on the basis of their T-score and analyzed thereafter for the 24 months' treatment with either 1000 mg of calcium and 800 IU vitamin D3 (placebo; n = 59); or calcium, vitamin D3, and Genistein aglycone (54 mg/day; genistein; n = 62)...
February 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28241379/necrotising-fasciitis-as-a-complication-of-odontogenic-infection-a-review-of-management-and-case-series
#5
K Bayetto, A Cheng, P Sambrook
OBJECTIVE: To establish the incidence of head and neck necrotising fasciitis (NF) in the Adelaide Oral and Maxillofacial Surgery Unit. To review the current literature regarding the management of head and neck NF. To determine the evidence for the role of hyperbaric oxygen therapy in the management of NF. METHOD: A retrospective audit of all patients admitted to the Royal Adelaide Hospital Oral and Maxillofacial Surgery Unit 2006-2015 with severe odontogenic infections was carried out...
February 27, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28241261/outcomes-of-melanoma-in-situ-treated-with-mohs-micrographic-surgery-compared-with-wide-local-excision
#6
Adi Nosrati, Jacqueline G Berliner, Shilpa Goel, Joseph McGuire, Vera Morhenn, Juliana R de Souza, Yildiray Yeniay, Rasnik Singh, Kristina Lee, Mio Nakamura, Rachel R Wu, Ann Griffin, Barbara Grimes, Eleni Linos, Mary Margaret Chren, Roy Grekin, Maria L Wei
Importance: Melanoma in situ (MIS) is increasing in incidence, and expert consensus opinion recommends surgical excision for therapeutic management. Currently, wide local excision (WLE) is the standard of care. However, Mohs micrographic surgery (MMS) is now used to treat a growing subset of individuals with MIS. During MMS, unlike WLE, the entire cutaneous surgical margin is evaluated intraoperatively for tumor cells. Objective: To assess the outcomes of patients with MIS treated with MMS compared with those treated with WLE...
February 22, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28241096/the-prognostic-role-of-sex-race-and-human-papillomavirus-in-oropharyngeal-and-nonoropharyngeal-head-and-neck-squamous-cell-cancer
#7
Carole Fakhry, William H Westra, Steven J Wang, Annemieke van Zante, Yuehan Zhang, Eleni Rettig, Linda X Yin, William R Ryan, Patrick K Ha, Alicia Wentz, Wayne Koch, Jeremy D Richmon, David W Eisele, Gypsyamber D'Souza
BACKGROUND: Human papillomavirus (HPV) is a well-established prognostic marker for oropharyngeal squamous cell cancer (OPSCC). Because of the limited numbers of women and nonwhites in studies to date, sex and racial/ethnic differences in prognosis have not been well explored. In this study, survival differences were explored by the tumor HPV status among 1) patients with OPSCCs by sex and race and 2) patients with nonoropharyngeal (non-OP) head and neck squamous cell cancers (HNSCCs)...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241092/adherence-to-national-comprehensive-cancer-network-guidelines-for-time-to-initiation-of-postoperative-radiation-therapy-for-patients-with-head-and-neck-cancer
#8
Evan M Graboyes, Elizabeth Garrett-Mayer, Anand K Sharma, Eric J Lentsch, Terry A Day
BACKGROUND: Adherence to evidence-based treatment guidelines has been proposed as a measure of cancer care quality. The objective of this study was to determine the rate and predictors of care that does not adhere to National Comprehensive Cancer Network guidelines regarding commencing postoperative radiation therapy (PORT) within 6 weeks of surgery for patients with head and neck squamous cell carcinoma (HNSCC). METHODS: The National Cancer Data Base was reviewed from 2006 to 2014, and patients with HNSCC who underwent curative-intent surgery followed by PORT were identified...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241091/the-complex-relation-between-race-sex-and-human-papillomavirus-status-in-head-and-neck-cancer
#9
Jose P Zevallos, Angela L Mazul
No abstract text is available yet for this article.
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241059/exceptionally-prolonged-tooth-formation-in-elasmosaurid-plesiosaurians
#10
Benjamin P Kear, Dennis Larsson, Johan Lindgren, Martin Kundrát
Elasmosaurid plesiosaurians were globally prolific marine reptiles that dominated the Mesozoic seas for over 70 million years. Their iconic body-plan incorporated an exceedingly long neck and small skull equipped with prominent intermeshing 'fangs'. How this bizarre dental apparatus was employed in feeding is uncertain, but fossilized gut contents indicate a diverse diet of small pelagic vertebrates, cephalopods and epifaunal benthos. Here we report the first plesiosaurian tooth formation rates as a mechanism for servicing the functional dentition...
2017: PloS One
https://www.readbyqxmd.com/read/28240982/inner-ear-excitation-in-normal-and-postmastoidectomy-participants-by-fluid-stimulation-in-the-absence-of-air-and-bone-conduction-mechanisms
#11
Ofri Ronen, Miriam Geal-Dor, Michal Kaufmann-Yehezkely, Ronen Perez, Shai Chordekar, Cahtia Adelman, Haim Sohmer
BACKGROUND: Hearing can be induced not only by airborne sounds (air conduction [AC]) and by the induction of skull vibrations by a bone vibrator (osseous bone conduction [BC]), but also by inducing vibrations of the soft tissues of the head, neck, and thorax. This hearing mode is called soft tissue conduction (STC) or nonosseous BC. PURPOSE: This study was designed to gain insight into the mechanism of STC auditory stimulation. RESEARCH DESIGN: Fluid was applied to the external auditory canal in normal participants and to the mastoidectomy common cavity in post-radical mastoidectomy patients...
February 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28240970/head-and-neck-cancer-survivorship-care-guideline-american-society-of-clinical-oncology-clinical-practice-guideline-endorsement-of-the-american-cancer-society-guideline
#12
Larissa Nekhlyudov, Christina Lacchetti, Nancy B Davis, Thomas Q Garvey, David P Goldstein, J Chris Nunnink, Jose I Ruades Ninfea, Andrew L Salner, Talya Salz, Lillian L Siu
Purpose This guideline provides recommendations on the management of adults after head and neck cancer (HNC) treatment, focusing on surveillance and screening for recurrence or second primary cancers, assessment and management of long-term and late effects, health promotion, care coordination, and practice implications. Methods ASCO has a policy and set of procedures for endorsing clinical practice guidelines that have been developed by other professional organizations. The American Cancer Society (ACS) HNC Survivorship Care Guideline was reviewed for developmental rigor by methodologists...
February 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28240769/developmental-mechanisms-of-macroevolutionary-change-in-the-tetrapod-axis-a-case-study-of-sauropterygia
#13
Laura C Soul, Roger B J Benson
Understanding how developmental processes change on macroevolutionary timescales to generate body plan disparity is fundamental to the study of vertebrate evolution. Adult morphology of the vertebral column directly reflects the mechanisms that generate vertebral counts (somitogenesis) and their regionalisation (homeotic effects) during embryonic development. Sauropterygians were a group of Mesozoic marine reptiles that exhibited an extremely high disparity of presacral vertebral/somite counts. Using phylogenetic comparative methods, we demonstrate that somitogenesis and homeotic effects evolved in a co-ordinated way among sauropterygians, contrasting with the wider pattern in tetrapods, in which somitogenetic and homeotic shifts are uncorrelated...
February 27, 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28240582/hyperbaric-oxygen-therapy-for-head-and-neck-irradiated-patients-with-special-attention-to-oral-and-maxillofacial-treatments
#14
Anne-Frédérique Chouinard, Luc Giasson, Michel Fortin
Although radiation therapy is a common treatment for head and neck cancer, osteoradionecrosis (ORN) represents a major complication during or after treatment. Hyperbaric oxygen is often mentioned as a prophylactic and therapeutic treatment for ORN. In this article, we review the literature on hyperbaric oxygen therapy in head and neck irradiated patients. The widespread use of such therapy for the prevention and treatment of ORN appears to be based mainly on personal beliefs and experience, as no consensus exists in the scientific literature about its efficacy...
September 2016: Journal—Canadian Dental Association, Journal de L'Association Dentaire Canadienne
https://www.readbyqxmd.com/read/28240504/solitary-extramedullary-plasmacytoma-of-the-colon-rectum-and-anus
#15
M Mjoli, N Vorajee, Y Naidoo, T Madiba
Solitary extramedullary plasmacytoma (SEP) is a neoplastic proliferation of a single clone of plasma cells that occur outside of the bone and bone marrow. It is rare, commonly occurring in the head and neck region, followed by the gastrointestinal tract. The aetiology, risk factors, natural history and consequent treatment are not well defined. We report an unusual case of SEP of the colon in an human immunodeficiency virus (HIV)-infected patient. The patient was managed with colonic resection and made an uneventful recovery...
June 2016: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28240447/comparison-of-treatment-techniques-for-reduction-in-the-submandibular-gland-dose-a-retrospective-study
#16
Christopher Hoyne, Marcus Dreosti, John Shakeshaft, Siddartha Baxi
INTRODUCTION: Recent studies have suggested reducing the dose submandibular glands receive when patients undergo head and neck radiotherapy can play a crucial role in preventing xerostomia. However, they are traditionally not spared due to concern that target coverage may be compromised. We investigated the possibility of sparing the contralateral submandibular gland (cSM) by utilising modern planning techniques. METHODS: 10 head and neck patients previously treated with conformal therapy at our centre were retrospectively planned using intensity modulated radiation therapy (IMRT), and volumetric modulated arc therapy (VMAT)...
February 27, 2017: Journal of Medical Radiation Sciences
https://www.readbyqxmd.com/read/28240373/the-effect-of-simulated-metastatic-lesions-on-the-biomechanical-behavior-of-the-proximal-femur
#17
Emir Benca, Andreas Reisinger, Janina M Patsch, Lena Hirtler, Alexander Synek, Sandra Stenicka, Reinhard Windhager, Winfried Mayr, Dieter H Pahr
Pathologic fractures of femora in patients with metastatic cancer are associated with high morbidity and mortality. Prediction of impending fractures is based on unspecific clinical criteria or past clinician's experience, which leads to underestimation or overtreatment. The aim of this study was to investigate the effect of the site of metastatic lesions on biomechanical behavior of the proximal femur. Sixteen pairs of human femora were scanned with quantitative computed tomography (QCT) to asses bone mineral density...
February 27, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28240236/impact-of-radiation-attenuation-by-a-carbon-fiber-couch-on-patient-dose-verification
#18
Chun-Yen Yu, Wen-Tsae Chou, Yi-Jen Liao, Jeng-Hung Lee, Ji-An Liang, Shih-Ming Hsu
The aim of this study was to understand the difference between the measured and calculated irradiation attenuations obtained using two algorithms and to identify the influence of couch attenuation on patient dose verification. We performed eight tests of couch attenuation with two photon energies, two longitudinal couch positions, and two rail positions. The couch attenuation was determined using a radiation treatment planning system. The measured and calculated attenuations were compared. We also performed 12 verifications of head-and-neck and rectum cases by using a Delta phantom...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28239594/subluxation-of-the-cricoarytenoid-joint-after-external-laryngeal-trauma-a-rare-case-and-review-of-the-literature
#19
Eviatar Friedlander, Paula Martínez Pascual, Julia Da Costa Belisario, Daniel Poletti Serafini
Cricoarytenoid joint subluxation is rare condition. There are <200 cases reported in the English literature. The most frequent cause of this condition is a traumatic tracheal intubation which account for approximately 80 % of all cases. The most common symptoms are dysphonia and pain of the anterior region of the neck which appear after upper airway manipulation or cervical trauma. In this report we present a well-documented case of a 31 year old male that was referred to the outpatient clinic because of acute dysphonia and pain that appeared immediately after receiving a blow of a soccer ball...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28239589/thyroglossal-duct-cysts-a-clinicosurgical-experience
#20
Suhail Amin Patigaroo, Nisar Hussain Dar, Aleena Shafi Jallu, Rauf Ahmad
Thyroglossal cyst is the most common congenital neck mass and occurs in 7% of the population. They occur due to failure of thyroglossal duct to involute and atrophy thyroglossal duct cysts often occur in pediatric patients. Majority of them are found infrahyoid region. The purpose of the present study is to report our 5 year clinical experience of thyroglossal cysts in terms of clinical features and surgical findings with special emphasis on naked eye extend of patent thyroglossal duct when present. To the best of our knowledge this is first clinical study which has reported the extend of thyroglossal duct on naked eye...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
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