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https://www.readbyqxmd.com/read/28340461/tracing-biomarker-of-pah-exposure-and-susceptibility-factor-gstm-polymorphism-among-cancer-patients-in-pakistan
#1
Muhammad Yasir Abdur Rehman, Atif Kamal, Malik Mumtaz Taqi, Riffat Naseem Malik
We studied cancer patients for possible PAH exposure, using urinary concentration of 1-hydroxypyrene (1-OHP) as a biomarker of internal dose of polycyclic aromatic hydrocarbons (PAHs). The subjects included in this study belonged to various socio-demographic backgrounds, and were diagnosed with cancer (i.e. lung, head and neck or digestive tract cancer). In general, we observed high concentration of urinary 1-OHP among digestive tract cancer patients, compared with the controls (CN) (mean 1.06, median 1.03 and mean 0...
March 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/28340311/early-clinical-efficacy-comparison-study-of-gamma3-nail-percutaneous-compression-plate-pccp-and-femoral-head-replacement-fhr-treatment-on-senile-unstable-intertrochanteric-fractures
#2
Shaofeng Yang, Yanan Liu, Tongqi Yang, Jun Zou, Huilin Yang
PURPOSE: This study aimed to analyze the early clinical efficacy of Gamma 3 nail, percutaneous compression plate (PCCP) and femoral head replacement (FHR) treatments on senile unstable intertrochanteric fractures. MATERIALS AND METHODS: Totally 116 patients were included to perform an retrospective study, which involved analysis of the operation time, intraoperative blood loss, and hemoglobin reduction on the first postoperative day compared with preoperative levels, fracture gap, neck shaft angle and tip apex distance on the first postoperative X-ray, hospital stay, time from surgery to mobilization, Harris hip scores and Barthel index six months after operation, and complications postoperative meanwhile were evaluated respectively among three groups...
February 10, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28339487/nucleolar-asymmetry-and-the-importance-of-septin-integrity-upon-cell-cycle-arrest
#3
Urvashi Rai, Fadi Najm, Alan M Tartakoff
Cell cycle arrest can be imposed by inactivating the anaphase promoting complex (APC). In S. cerevisiae this arrest has been reported to stabilize a metaphase-like intermediate in which the nuclear envelope spans the bud neck, while chromatin repeatedly translocates between the mother and bud domains. The present investigation was undertaken to learn how other features of nuclear organization are affected upon depletion of the APC activator, Cdc20. We observe that the spindle pole bodies and the spindle repeatedly translocate across the narrow orifice at the level of the neck...
2017: PloS One
https://www.readbyqxmd.com/read/28339337/-i-know-what-i-want-but-i-m-not-sure-how-to-get-it-expectations-of-physiotherapy-treatment-of-persons-with-persistent-pain
#4
Tommy Calner, Gunilla Isaksson, Peter Michaelson
Expectations of physiotherapy treatment of patients with persistent pain have been shown to influence treatment outcome and patient satisfaction, yet this is mostly explored and described in retrospective. The aim of the study was to explore and describe the expectations people with persistent pain have prior to physiotherapy treatment. Ten participants with persistent musculoskeletal pain from the back, neck, or shoulders were included in the study. Data were collected by interviews using a semi-structured interview guide and were analyzed with qualitative content analysis...
March 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28339134/paranasal-sinus-lymphoma-retrospective-review-with-focus-on-clinical-features-histopathology-prognosis-and-relationship-to-systemic-lymphoma
#5
Brynn N Wajda, Mindy R Rabinowitz, Gurston G Nyquist, Stacey K Mardekian, Marc R Rosen, Michael P Rabinowitz
BACKGROUND: Paranasal sinus lymphoma is a rare clinical entity. METHODS: We conducted a retrospective case series of 68 patients with biopsy-confirmed paranasal sinus lymphoma with attention on systemic disease association. RESULTS: Of 63 patients with paranasal sinus lymphoma, 35 (56%) had systemic involvement. Four patient groups were identified: (1) primary paranasal sinus lymphoma (44%); (2) systemic disease occurring concurrently with paranasal sinus lymphoma (25%); (3) paranasal sinus lymphoma with relapse of preexisting systemic lymphoma (22%); and (4) progression to systemic disease after primary paranasal sinus lymphoma (8%)...
March 24, 2017: Head & Neck
https://www.readbyqxmd.com/read/28339108/very-high-energy-electron-vhee-beams-in-radiation-therapy-treatment-plan-comparison-between-vhee-vmat-and-ppbs
#6
Emil Schüler, Kjell Eriksson, Elin Hynning, Steven L Hancock, Susan M Hiniker, Magdalena Bazalova-Carter, Tony Wong, Quynh-Thu Le, Billy W Loo, Peter G Maxim
PURPOSE: The aim of this study was to evaluate the performance of very high energy electron beams (VHEE) beams in comparison to clinically derived treatment plans generated with volumetric modulated arc therapy (VMAT) and proton pencil beam scanning (PPBS) technology. We developed a custom optimization script that could be applied automatically across modalities to eliminate operator bias during IMRT optimization. METHODS: Four clinical cases were selected (prostate cancer, lung cancer, pediatric brain tumor, and head and neck cancer (HNC))...
March 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28338854/comparison-of-the-peripheral-doses-from-different-imrt-techniques-for-pediatric-head-and-neck-radiation-therapy
#7
Masahiko Toyota, Yasumasa Saigo, Kenta Higuchi, Takuya Fujimura, Chihaya Koriyama, Takashi Yoshiura, Suminori Akiba
Intensity-modulated radiation therapy (IMRT) can deliver high and homogeneous doses to the target area while limiting doses to organs at risk. We used a pediatric phantom to simulate the treatment of a head and neck tumor in a child. The peripheral doses were examined for three different IMRT techniques [dynamic multileaf collimator (DMLC), segmental multileaf collimator (SMLC) and volumetric modulated arc therapy (VMAT)]. Peripheral doses were evaluated taking thyroid, breast, ovary and testis as the points of interest...
February 25, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28338586/towards-microsurgical-correction-of-cleft-lip-ex-utero-via-restoration-of-craniofacial-developmental-programs
#8
Xue Dong, Wilmina N Landford, James Hart, Maurizio Risolino, Omer Kaymakcalan, Julia Jin, Yoshiko Toyoda, Elisabetta Ferretti, Licia Selleri, Jason A Spector
BACKGROUND: Cleft Lip with or without Palate (CL/P) is present in approximately 1 in 500-700 live births, representing the most common congenital craniofacial anomaly. Previously, we developed a unique murine model with compound Pbx deficiency that exhibits fully penetrant CL/P. To investigate the possibility of tissue repair at an early gestational stage, we designed a minimally invasive surgical approach suitable for intrauterine repair using Wnt9b-soaked collagen microspheres to restore craniofacial developmental programs for cleft correction...
March 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28338438/learning-brain-aneurysm-microsurgical-skills-in-a-human-placenta-model-predictive-validity
#9
Marcelo Magaldi Ribeiro de Oliveira, Carlos Eduardo Ferrarez, Taise Mosso Ramos, Jose Augusto Malheiros, Arthur Nicolato, Carla Jorge Machado, Mauro Tostes Ferreira, Fellype Borges de Oliveira, Cecília Félix Penido Mendes de Sousa, Pollyana Helena Vieira Costa, Sebastiao Gusmao, Giuseppe Lanzino, Rolando Del Maestro
OBJECTIVE Surgery for brain aneurysms is technically demanding. In recent years, the process to learn the technical skills necessary for these challenging procedures has been affected by a decrease in the number of surgical cases available and progressive restrictions on resident training hours. To overcome these limitations, surgical simulators such as cadaver heads and human placenta models have been developed. However, the effectiveness of these models in improving technical skills is unknown. This study assessed concurrent and predictive validity of brain aneurysm surgery simulation in a human placenta model compared with a "live" human brain cadaveric model...
March 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28338434/coexistence-of-obstructive-sleep-apnea-worsens-the-overall-outcome-of-intracranial-aneurysm-a-pioneer-study
#10
Shyamal C Bir, Anil Nanda, Hugo Cuellar, Hai Sun, Bharat Guthikonda, Cesar Liendo, Alireza Minagar, Oleg Y Chernyshev
OBJECTIVE Obstructive sleep apnea (OSA) is associated with the progression of abdominal and thoracic aortic aneurysms. However, the role of OSA in the overall outcome of intracranial aneurysms (IAs) has not yet been established. Authors of this report investigated the role of OSA in the overall outcome of IAs. METHODS Radiological and clinical data on patients (from 2010 through 2015) with confirmed IA were retrospectively reviewed. Significant differences between the OSA and non-OSA groups were determined using a chi-square test...
March 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28338379/head-neck-trunk-and-pelvis-tissue-mass-predictions-for-young-adults-using-anthropometric-measures-and-dxa
#11
Danielle L Gyemi, Charles Kahelin, Nicole C George, David M Andrews
Accurate prediction of wobbling mass (WM), fat mass (FM), lean mass (LM) and bone mineral content (BMC) of living people using regression equations developed from anthropometric measures (lengths, circumferences, breadths, skinfolds) has previously been reported, but only for the extremities. Multiple linear stepwise regression was used to generate comparable equations for the head, neck, trunk and pelvis of young adults (38 males, 38 females). Equations were validated using actual tissue masses from an independent sample of 13 males and 13 females by manually segmenting full body Dual-energy X-ray Absorptiometry scans...
March 24, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28337795/current-update-on-the-diagnosis-and-management-of-head-and-neck-hard-tissue-sarcomas
#12
REVIEW
Ben Tudor-Green, Felipe Paiva Fonseca, Ricardo Gomez, Peter A Brennan
Head and neck hard tissue sarcomas form a rare group of mesenchymal derived tumours that comprise less than 1% of all head and neck neoplasms. Hard tissue sarcomas account for 20% of head and neck sarcomas and they form a heterogeneous group with a diverse origin. Unlike head and neck soft tissue sarcomas, they have lower recurrence and mortality rates. In this article, we review the current management of head and neck hard tissue sarcomas. This article is protected by copyright. All rights reserved.
March 24, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28337729/adjacent-level-disease-background-and-update-based-on-disc-replacement-data
#13
REVIEW
I David Kaye, Alan S Hilibrand
PURPOSE OF REVIEW: The precise etiology of adjacent segment disease following cervical spine surgery is controversial. Theories for development include inevitable changes secondary to the natural progression of the degenerative cascade and changes secondary to altered biomechanics of the fused cervical spine. Motion preserving techniques, such as cervical disc arthroplasties (CDA), have been introduced with the hopes of reducing the rates of adjacent segment pathology. Recently, 7-year data from the investigational device exemption (IDE) studies have been published...
March 23, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28337706/clinical-and-radiological-outcomes-of-two-level-endoscopic-posterior-cervical-foraminotomy
#14
Myung Soo Youn, Myeong Hwan Shon, Yoon Jae Seong, Jong Ki Shin, Tae Sik Goh, Jung Sub Lee
PURPOSE: The efficacy and safety of endoscopic posterior cervical foraminotomy (EPCF) have been demonstrated for single-level cervical radiculopathy, but no report in the medical literature has described the clinical results of two-level EPCF. The aim of this study was to assess the clinical and radiological outcomes of two-level EPCF performed in patients with cervical radiculopathy. METHODS: Twenty-two consecutive patients (9 females and 13 males) that underwent two-level EPCF with cervical radiculopathy from January 2012 to January 2014 were included in this study...
March 23, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28337674/painful-hashimoto-s-thyroiditis-myth-or-reality
#15
REVIEW
M Rotondi, V Capelli, P Locantore, A Pontecorvi, L Chiovato
Neck pain is a common complain, being in most cases due to non-thyroidal causes. However, a minority of patients suffer from painful thyroid diseases. Among them, sub-acute thyroiditis (SAT) is the most frequent one. Rare thyroid-related causes of neck pain include hemorrhage within a thyroid nodule as well as Riedel's thyroiditis and suppurative thyroiditis. In the last 30 years, a few cases of a painful variant of Hashimoto's thyroiditis (HT) have been described. Biochemical, ultrasound, and histologic features were clearly suggestive for HT in all of the published cases and definitely ruled out the diagnosis of SAT...
March 24, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28337592/head-and-neck-round-cell-sarcomas-a-comparative-clinicopathologic-analysis-of-2-molecular-subsets-ewing-and-cic-rearranged-sarcomas
#16
Adepitan A Owosho, Cherry L Estilo, Joseph M Huryn, Lei Zhang, Christopher D M Fletcher, Cristina R Antonescu
CIC-rearranged sarcoma (CRS) is a relatively new entity defined by its pathognomonic genetic signature and undifferentiated round cell phenotype, initially grouped together with the 'Ewing sarcoma-like tumors'. However, increasing data suggest that these tumors should be regarded as a stand-alone pathologic entity. We conducted a clinicopathologic analysis on molecularly conformed Ewing sarcoma (ES) and CRS arising in the head and neck (HN) and compared to a well characterized cohort of ES and CRS from other locations...
March 23, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28337586/the-role-of-fluoride-and-chlorhexidine-in-preserving-hardness-and-mineralization-of-enamel-and-cementum-after-gamma-irradiation
#17
Rowida Abdalla, Maha A Niazy, Wael E Jamil, Hala A Hazzaa, Amal A Elbatouti
The purpose of this study was to evaluate the effect of 0.05% sodium fluoride and 0.12% chlorhexidine mouthwashes on the micro-hardness of tooth enamel and cementum that was exposed to therapeutic doses of gamma radiation. Sixty extracted human teeth were divided into two groups, one was irradiated, the other was not irradiated. The two groups were further subdivided into three subgroups, which were each treated either with 0.05% sodium fluoride or with 0.12% chlorhexidine; the third subgroup served as a control...
March 23, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/28337279/agr2-promotes-the-proliferation-migration-and-regulates-epithelial-mesenchymal-transition-in-salivary-adenoid-cystic-carcinoma
#18
Si-Rui Ma, Liang Mao, Wei-Wei Deng, Yi-Cun Li, Lin-Lin Bu, Guang-Tao Yu, Wen-Feng Zhang, Zhi-Jun Sun
Salivary adenoid cystic carcinoma (AdCC) is a common head and neck cancer with the propensity for local spread and distant metastasis. In our previous study, elevated expression of Anterior gradient 2 (AGR2) was detected in head and neck squamous cell carcinoma (HNSCC), associated with epithelial-mesenchymal transition (EMT) and cancer stemness. However, to date, the expression and function of AGR2 in AdCC has yet to be elucidated. In the present study, human AdCC tissue microarrays including 18 cases of normal salivary gland (NSG), 12 cases of pleomorphic adenoma (PMA) and 72 cases of AdCC were employed for immunohistochemical staining analysis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337218/effect-of-transplantation-of-bone-marrow-derived-mesenchymal-stem-cells-and-platelets-rich-plasma-on-experimental-model-of-radiation-induced-oral-mucosal-injury-in-albino-rats
#19
Basma Elsaadany, Samar El Kholy, Dalia El Rouby, Laila Rashed, Tarek Shouman
Normal tissue damage following radiotherapy is still a major problem in cancer treatment. Therefore, the current work aimed at exploring the possible role of systemically injected bone marrow derived mesenchymal stem cells (BM-MSCs) and/or locally injected platelet rich plasma (PRP) in ameliorating the side effects of ionizing radiation on the rat's tongue. Twelve rats served as control group (N) and 48 rats received a single radiation dose of 13 Gy to the head and neck region; then, they were equally divided into 4 experimental groups: irradiated only (C), irradiated + MSCs (S), irradiated + (PRP) (P), and combined group (PS)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28336941/analysis-of-factors-affecting-the-therapeutic-effect-of-propranolol-for-infantile-haemangioma-of-the-head-and-neck
#20
Jian-Yong Dong, Jie-Xin Ning, Kai Li, Chao Liu, Xu-Xia Wang, Rong-Hui Li, Lin-Lin Yue, Ying-Ying Huang, Shao-Hua Liu
Infantile haemangiomas (IHs) are the most common congenital vascular tumours of infancy. Propranolol has been demonstrated to be effective for IHs; however, the factors affecting its therapeutic effect remain unknown. We enrolled 169 infants with IHs of the head and neck region treated with oral propranolol at a dose of 2.0 mg/kg/day. We evaluated the therapeutic responses 6 months after treatment and the end of treatment, which were categorized into four grades. The type and location of the lesions and the infant age at treatment initiation were analysed...
March 23, 2017: Scientific Reports
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