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https://www.readbyqxmd.com/read/27933656/change-in-trabecular-bone-score-tbs-with-antiresorptive-therapy-does-not-predict-fracture-in-women-the-manitoba-bmd-cohort
#1
William D Leslie, Sumit R Majumdar, Uzanne N Morin, Didier Hans, Lisa M Lix
Bone mineral density (BMD) and trabecular bone score (TBS), along with additional clinical risk factors, can be used to identify individuals at high fracture risk. Whether change in TBS in untreated or treated women independently affects fracture risk is unclear. Using the Manitoba (Canada) DXA Registry containing all BMD results for the population we identified 9044 women age >40 years with two consecutive DXA scans and who were not receiving osteoporosis treatment at baseline (baseline mean age 62 ± 10 years)...
December 8, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27933172/brown-tumor-of-the-jaw-after-pregnancy-and-lactation-in-a-men1-patient
#2
Anna Casteràs, Lídia Darder, Carles Zafon, Juan Antonio Hueto, Margarita Alberola, Enric Caubet, Jordi Mesa
: Skeletal manifestations of primary hyperparathyroidism (pHPT) include brown tumors (BT), which are osteoclastic focal lesions often localized in the jaws. Brown tumors are a rare manifestation of pHTP in Europe and USA; however, they are frequent in developing countries, probably related to vitamin D deficiency and longer duration and severity of disease. In the majority of cases, the removal of the parathyroid adenoma is enough for the bone to remineralize, but other cases require surgery...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27932776/nasal-type-extranodal-natural-killer-t-nk-t-cell-lymphoma-presenting-as-periorbital-cellulitis-a-case-report
#3
Ma'in Ali Al Shawabkeh, Mansour Al Sulaiti, Hamad Al Sa'ey, Shanmugam Ganesan
BACKGROUND Extranodal lymphoma of the paranasal sinuses is a rare clinical entity seen in only 5-8% of extranodal lymphomas of the head and neck. Nasal natural killer/T cell lymphoma (Nasal NKTCL), which is a subtype of peripheral T cell lymphoma, constitutes about 1.4% of all lymphomas. NKTCL is usually diagnosed at a late stage because it presents with nonspecific symptoms in the early stages. CASE REPORT We report the case of a 25-year-old male patient who presented with periorbital swelling treated as fungal sinusitis but proven to have NKTCL...
December 9, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27932746/-distribution-of-pain-and-numbness-in-patients-with-cervical-spine-disorders
#4
Keita Kuraishi, Masaki Mizuno, Yasuyuki Umeda, Tomoki Ishigaki, Ryuta Yasuda, Takanori Sano, Masato Shiba, Fumihiro Kawakita, Yoshinari Nakatsuka, Kazuhiro Furukawa, Satoru Tanioka, Masanori Tsuji, Masayuki Kitagami, Seiji Hatazaki, Hidenori Suzuki
PURPOSE: To elucidate the distribution of improved pain and numbness after cervical decompression surgery in patients with cervical spine disorders. METHODS: This study included 4 men and 5 women aged 45 to 71 years(mean 58 years)presenting with radiculopathy and 50 men and 17 women aged 35 to 88 years(mean 66 years)presenting with myelopathy. RESULTS: All 9 patients with radiculopathy presented with neck pain, and 3 presented with cervical angina...
December 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27932558/petct-imaging-of-unstable-carotid-plaque-with-ga-68-labelled-somatostatin-receptor-ligand
#5
Ming Young Simon Wan, Raymond Endozo, Sofia Michopoulou, Robert Shortman, Manuel Rodriguez-Justo, Leon Menezes, Syed Yusuf, Toby Richards, Damian Wild, Beatrice Waser, Jean Claude Reubi, Ashley Groves
BACKGROUND: Ga68 labelled somatostatin receptor ligand PET imaging has recently been shown in preclinical and early human studies to have a potential role in the evaluation of vulnerable arterial plaques. We prospectively evaluated carotid plaque Ga68-DOTATATE uptake in patients with recent carotid events, assessed inter- and intra- observer variability of such measurements, and explored the mechanism of any plaque DOTATATE activity with immunohistochemistry in resected specimens. MATERIALS & METHODS: 20 consecutively consenting patients with recent symptomatic carotid events (transient ischaemic attack [TIA], stroke or amaurosis fugax), due for carotid endarterectomy were prospectively recruited...
December 8, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27932500/notch1-and-notch2-regulate-epithelial-cell-proliferation-in-mouse-and-human-gastric-corpus
#6
Elise S Demitrack, Gail B Gifford, Theresa M Keeley, Nobukatsu Horita, Andrea Todisco, D Kim Turgeon, Christian W Siebel, Linda C Samuelson
The Notch signaling pathway is known to regulate stem cells and epithelial cell homeostasis in gastrointestinal tissues; however, Notch function in the corpus region of the stomach is poorly understood. In this study we examined the consequences of Notch inhibition and activation on cellular proliferation and differentiation and defined the specific Notch receptors functioning in the mouse and human corpus. Notch pathway activity was observed in the mouse corpus epithelium, and gene expression analysis revealed NOTCH1 and NOTCH2 to be the predominant Notch receptors in both mouse and human...
December 8, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27932358/association-between-lower-limb-osteoarthritis-and-incidence-of-depressive-symptoms-data-from-the-osteoarthritis-initiative
#7
Nicola Veronese, Brendon Stubbs, Marco Solmi, Toby O Smith, Marianna Noale, Cyrus Cooper, Stefania Maggi
BACKGROUND: osteoarthritis (OA) is associated with a number of medical morbidities. Although the prevalence of depression and depressive symptoms is presumed to be high in people with OA, no prospective comparative study has analyzed its incidence. OBJECTIVE: to determine whether OA was associated with an increased odds of developing depressive symptoms. DESIGN: longitudinal cohort study (follow-up: 4.2 years). SETTING: data were gathered from the North American Osteoarthritis Initiative (OAI) dataset...
December 7, 2016: Age and Ageing
https://www.readbyqxmd.com/read/27932312/targeted-apoptosis-of-parietal-cells-is-insufficient-to-induce-metaplasia-in-stomach
#8
Joseph Burclaff, Luciana H Osaki, Dengqun Liu, James R Goldenring, Jason C Mills
Parietal cell atrophy is considered to cause metaplasia in the stomach. We developed mice that express the diphtheria toxin receptor specifically in parietal cells to induce their death, and found this to increase proliferation in the normal stem cell zone and neck but not to cause metaplastic reprogramming of chief cells. Furthermore, the metaplasia-inducing agents tamoxifen or DMP-777 still induced metaplasia even following previous destruction of parietal cells by diphtheria toxin. Atrophy of parietal cells alone is therefore not sufficient to induce metaplasia-completion of metaplastic reprogramming of chief cells requires mechanisms beyond parietal cell injury or death...
December 5, 2016: Gastroenterology
https://www.readbyqxmd.com/read/27932207/the-current-state-of-therapeutic-and-t-cell-based-vaccines-against-human-papillomaviruses
#9
REVIEW
Andrew Yang, Emily Farmer, John Lin, T-C Wu, Chien-Fu Hung
Human papillomavirus (HPV) is known to be a necessary factor for many gynecologic malignancies and is also associated with a subset of head and neck malignancies. This knowledge has created the opportunity to control these HPV-associated cancers through vaccination. However, despite the availability of prophylactic HPV vaccines, HPV infections remain extremely common worldwide. In addition, while prophylactic HPV vaccines have been effective in preventing infection, they are ineffective at clearing pre-existing HPV infections...
December 5, 2016: Virus Research
https://www.readbyqxmd.com/read/27932168/spindle-cell-lipoma-in-an-end-stage-renal-allograft-case-report
#10
Z Zhao, S Selvarajan, A L S Tiong, T H Lim, L Y Khor
BACKGROUND: Spindle cell lipoma is an uncommon variant of lipoma and usually occurs as a solitary, subcutaneous, and well circumscribed lesion in the posterior neck, shoulders, and back of older men. Primary renal lipomas are rarely reported. Spindle cell lipoma in the kidney has not been previously described in the literature. CASE REPORT: A 60-year-old Chinese man suffered graft failure 10 years after living related donor kidney transplantation. During cancer surveillance, he was found to have a mass in the renal allograft, which increased in size and was suspicious for renal cell carcinoma on computerized tomographic scan...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27932078/the-utility-of-vacuum-assisted-closure-therapy-for-skin-necrosis-secondary-to-cervical-abscess-in-the-elderly
#11
Tadataka Tsuji, Koichi Satoh, Emi Okuno, Akiko Sobue, Yoshiya Nishide, Susumu Tanaka, Mikihiko Kogo
Vacuum-assisted closure (VAC) systems have been used as negative-pressure dressings in various fields, including decubitus ulcer, trauma, and wound dehiscence. To the best of our knowledge, few reports have examined the utility of VAC therapy for neck abscess in an oldest-old patient. We present here a rare case of neck abscess secondary to parotid abscess, resulting in extensive skin necrosis. Successful management included emergency drainage following epithelial induction through a VAC system without using skin grafting...
December 5, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27931839/overview-of-the-predictive-value-of-quantitative-18-fdg-pet-in-head-and-neck-cancer-treated-with-chemoradiotherapy
#12
REVIEW
J Castelli, B De Bari, A Depeursinge, A Simon, A Devillers, G Roman Jimenez, J Prior, M Ozsahin, R de Crevoisier, J Bourhis
18 F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) allows to quantify the metabolic activity of a tumor (glycolysis) and has become a reference tool in oncology for the staging, restaging, radiotherapy planning and monitoring response in many cancers. Quantitative analyses have been introduced in order to overcome some of the limits of the visual methods, allowing an easier and more objective comparison of the inter- and intra-patients variations. The aims of this review were to report available evidences on the clinical value of quantitative PET/CT parameters in HNC...
December 2016: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/27931299/association-of-allergy-immunology-and-obstructive-sleep-apnea
#13
Charles J Calais, Brian D Robertson, Douglas E Beakes
Obstructive sleep apnea (OSA) is characterized by repetitive upper airway collapse that results in nonrefreshing sleep, excessive daytime sleepiness, and, ultimately, adverse consequences on quality of life, the cardiovascular system, and neurocognitive performance. OSA has traditionally been linked to body habitus (obesity and increased neck circumference), racial demographics, alcohol, tobacco, and sedative use. Numerous other conditions are linked to OSA, which may have clinical relevance. Specifically, asthma and nasal obstructive syndromes, e...
November 2016: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/27931212/pdgf-aa-mediates-mesenchymal-stromal-cell-chemotaxis-to-the-head-and-neck-squamous-cell-carcinoma-tumor-microenvironment
#14
Tammara L Watts, Ruwen Cui, Peter Szaniszlo, Vicente A Resto, Don W Powell, Irina V Pinchuk
BACKGROUND: The robust desmoplasia associated with head and neck squamous cell carcinoma (HNSCC) suggests that the tumor microenvironment may be an important component in the pathophysiology of this cancer. Moreover, the high recurrence rate and poor clinical response to chemotherapy and radiation treatment further underscores that the non-cancerous cells of the microenvironment, such as mesenchymal stromal cells (MSCs), cancer associated fibroblasts (CAFs), and pericytes, may be important in the pathophysiology of HNSCC...
December 8, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27931172/biomechanical-response-of-the-infant-head-to-shaking-an-experimental-investigation
#15
Carol Jenny, Gina Bertocci, Tsuguhiro Fukuda, Nagarajan Rangarajan, Tariq Shams
Controversy exists regarding whether violent shaking is harmful to infants in the absence of impact. In this study, our objective was to characterize the biomechanical response of the infant head during shaking through use of an instrumented anthropomorphic test device (commonly referred to as a 'crash test dummy' or infant surrogate) representing a human infant and having improved biofidelity. A series of tests were conducted to simulate violent shaking of an infant surrogate. The Aprica 2.5 infant surrogate represented a 5th percentile Japanese newborn...
December 8, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27930766/differences-in-the-prevalence-of-human-papillomavirus-hpv-in-head-and-neck-squamous-cell-cancers-by-sex-race-anatomic-tumor-site-and-hpv-detection-method
#16
Gypsyamber D'Souza, William H Westra, Steven J Wang, Annemieke van Zante, Alicia Wentz, Nicole Kluz, Eleni Rettig, William R Ryan, Patrick K Ha, Hyunseok Kang, Justin Bishop, Harry Quon, Ana P Kiess, Jeremy D Richmon, David W Eisele, Carole Fakhry
Importance: Human papillomavirus (HPV) causes an increasing proportion of oropharyngeal squamous cell carcinomas (OPSCCs), particularly in white men. The prevalence of HPV among other demographic groups and other anatomic sites of HNSCC is unclear. Objective: To explore the role of HPV tumor status among women and nonwhites with OPSCC and patients with nonoropharyngeal head and neck squamous cell carcinoma (non-OP HNSCC). Design, Setting, and Participants: Retrospective cohort study at 2 tertiary academic centers including cases diagnosed 1995 through 2012, oversampled for minorities and females...
December 8, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27930762/effect-of-standard-radiotherapy-with-cisplatin-vs-accelerated-radiotherapy-with-panitumumab-in-locoregionally-advanced-squamous-cell-head-and-neck-carcinoma-a-randomized-clinical-trial
#17
Lillian L Siu, John N Waldron, Bingshu E Chen, Eric Winquist, Jim R Wright, Abdenour Nabid, John H Hay, Jolie Ringash, Geoffrey Liu, Ana Johnson, George Shenouda, Martin Chasen, Andrew Pearce, James B Butler, Stephen Breen, Eric Xueyu Chen, T J FitzGerald, T J Childs, Alexander Montenegro, Brian O'Sullivan, Wendy R Parulekar
Importance: The Canadian Cancer Trials Group study HN.6 is the largest randomized clinical trial to date comparing the concurrent administration of anti-epidermal growth factor receptor (EGFR) monoclonal antibodies with radiotherapy (RT) to standard chemoradiotherapy in locoregionally advanced squamous cell carcinoma of the head and neck (LA-SCCHN). Objective: To compare progression-free survival (PFS) in patients with LA-SCCHN treated with standard-fractionation RT plus high-dose cisplatin vs accelerated-fractionation RT plus the anti-EGFR antibody panitumumab...
December 8, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27930761/transoral-robotic-surgery-assisted-endoscopy-with-primary-site-detection-and-treatment-in-occult-mucosal-primaries
#18
Kyle M Hatten, Bert W O'Malley, Andres M Bur, Mihir R Patel, Christopher H Rassekh, Jason G Newman, Steven B Cannady, Ara A Chalian, Benjamin L Hodnett, Alexander Lin, John N Lukens, Roger B Cohen, Joshua M Bauml, Kathleen T Montone, Virginia A Livolsi, Gregory S Weinstein
Importance: Management of cervical lymph node metastasis without a known primary tumor is a diagnostic and treatment challenge for head and neck oncologists. Identification of the occult mucosal primary tumor minimizes the morbidity of treatment. Objective: To analyze the role of transoral robotic surgery (TORS) in facilitating the identification of a primary tumor site for patients presenting with squamous cell carcinoma of unknown primary (CUP). In addition, we assessed treatment deintensification by determining the number of patients who did not undergo definitive radiation therapy and chemotherapy...
December 8, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27930753/immune-response-to-hpv16-e6-and-e7-proteins-and-patient-outcomes-in-head-and-neck-cancer
#19
Heather H Nelson, Michael Pawlita, Dominique S Michaud, Michael McClean, Scott M Langevin, Melissa N Eliot, Karl T Kelsey
Importance: Pathology-based measures of human papillomavirus (HPV) status are routinely obtained in the care of head and neck cancer and are clearly associated with patient outcome for cancers of the oropharynx. However, it is unclear if HPV status is of high value for cancers of the larynx and oral cavity. In addition, it is possible to assess HPV infection using serology-based methods; however, the suitability of this pathology-independent measure for predicting patient outcome in head and neck cancer is unknown...
December 8, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27930712/cantharidin-induced-oral-squamous-cell-carcinoma-cell-apoptosis-via-the-jnk-regulated-mitochondria-and-endoplasmic-reticulum-stress-related-signaling-pathways
#20
Chin-Chuan Su, Kuan-I Lee, Mu-Kuan Chen, Chun-Ying Kuo, Chih-Hsin Tang, Shing Hwa Liu
Oral cancer is a subtype of head and neck cancer which represents 2.65% of all human malignancies. Most of oral cancer is histopathologically diagnosed as oral squamous cell carcinoma (OSCC). OSCC is characterized by a high degree of local invasion and a high rate of metastasis to the cervical lymph nodes. How to prevention and treatment of OSCC is important and imperative. Here, we investigated the therapeutic effect and molecular mechanism of cantharidin, an active compound isolated from blister beetles, on OSCC in vitro...
2016: PloS One
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