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https://www.readbyqxmd.com/read/28230590/modified-lateral-surgical-approach-to-the-pterygopalatine-fossa
#1
Masataka Uehara, Masaaki Sasaguri, Shunji Shiiba, Kazuhiro Tominaga
Oral cancer, especially that originates in the maxillary tuberosity, buccal mucosa, and maxillary alveolus, is apt to invade the pterygopalatine fossa, where an intraoral approach is nearly impossible. There are 2 main types of extraoral approach to the pterygopalatine fossa; the anterior approach and the lateral approach. Although the lateral approach has an advantage compared with the anterior approach in terms of cosmetics, after the operation numbness of the lower lip occurs due to the sacrifice of the mental nerve...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28222396/lawsone-suppresses-azoxymethane-mediated-colon-cancer-in-rats-and-reduces-proliferation-of-dld-1-cells-via-nf-%C3%AE%C2%BAb-pathway
#2
Shi-Bin Wang, Zhenzhou Tao, Ping Li
Lawsone (LS) a colored napthoquinone compound obtained from the plant Lawsonia inermis L. (Lythraceae) is known for its usefulness of being a precursor for synthesis of some anticancer compounds. Literatures support potent anticancer activity of napthoquinone derivatives in human colon cancer, present study evaluates the effect and mechanism of LS on chemical induced colon cancerous rats and human colon cancer DLD-1 cells, the study was supported by endoscopy, histological and immunohistochemistry analysis...
February 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28220592/turkish-validation-of-the-urethral-stricture-surgery-specific-patient-reported-outcome-measure-uss-prom-with-supplemental-assessment-of-erectile-function-and-morbidity-due-to-oral-graft-harvesting
#3
Fikret Fatih Önol, Ahmet Bindayi, Ahmet Tahra, Ismail Basibuyuk, Sinasi Yavuz Onol
AIMS: We validated a Turkish language version of the urethral stricture surgery specific patient-reported outcome measure (USS-PROM) in men undergoing anterior urethroplasty. We also investigated changes in erectile function (EF) and quality of life (QoL) due to oral mucosa graft (OMG) harvesting. METHODS: The USS-PROM captures lower urinary tract symptoms (LUTS), health related QoL (HRQoL) with EQ-5D visual analogue scale (EQ-VAS). To evaluate EF and OMG morbidity, we used International Index of Erectile Function (IIEF-5) and a self-completed questionnaire, respectively...
February 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28220360/oral-histoplasmosis
#4
Gillian A Folk, Brenda L Nelson
A 44-year-old female presented to her general dentist with the chief complaint of a painful mouth sore of 2 weeks duration. Clinical examination revealed an irregularly shaped ulcer of the buccal and lingual attached gingiva of the anterior mandible. A biopsy was performed and microscopic evaluation revealed histoplasmosis. Histoplasmosis, caused by Histoplasma capsulate, is the most common fungal infection in the United States. Oral lesions of histoplasmosis are generally associated with the disseminated form of histoplasmosis and may present as a fungating or ulcerative lesion of the oral mucosa...
February 20, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28220285/oral-cancer-early-detection-what-do-patients-need-to-know
#5
Yazan Hassona, F Sawair, D Matarweh, A Abdalhamid, D Thweib, C Scully
The purpose of the present study was to examine the educational needs of patients regarding early detection of oral cancer. A total of 790 patients without cancer were interviewed and shown a set of validated clinical images of various oral lesions including early oral cancer. Participants were asked about their perception of cancer and the action that they would take if they notice a similar lesion. Lower risk lesions (e.g., lumps) were more likely to be perceived as cancer (52.4%), while higher risk lesions (e...
February 20, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28219133/-clinical-observation-on-lop-regimen-combined-with-imrt-treatment-for-early-nasal-nk-t-cell-lymphoma
#6
Y F Hu, Y H Huang, T Wu, Y Zhang, X M Liu, Y Song, J Y Gan
Objective: To observe the clinical efficacy and safety of the LOP regimen (L-asparaginase, vincristine, dexamethasone) combined with intensity modulated radiation therapy(IMRT)in the treatment of early nasal NK/T cell lymphoma. Method: Clinical data of 65 patients with nasal NK/T cell lymphoma treated with LOP chemotherapy combined with IMRT at the Guizhou Province Tumor Hospital between March 2010 and January 2015 were retrospectively analyzed. Results: Among the 65 patients, 39 cases obtained complete remission (CR), 18 cases obtained partial remission(PR), 1 case obtained stable disease (SD), 7 cases had progressive disease(PD)...
February 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28217469/clinicopathological-diagnosis-of-orofacial-granulomatosis
#7
Fatma Sule Afsar, Hatice Demirlendi Duran, Gungor Yilmaz, Murat Ermete
Orofacial granulomatosis is a rare chronic inflammatory disorder characterized by persistent or recurrent soft tissue swellings, oral ulceration, and other orofacial features in the absence of an identifiable granulomatous disease. We report a case of a 61-year-old woman with recurrent ulcerations and swellings in her oral mucosa. She was diagnosed as orofacial granulomatosis based upon clinicopathological correlation after exclusion of other granulomatous diseases and showed a favorable response to systemic corticosteroid treatment...
January 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28216966/suppression-of-colorectal-tumorigenesis-by-recombinant-bacteroides-fragilis-enterotoxin-2-in-vivo
#8
You Lv, Tao Ye, Hui-Peng Wang, Jia-Ying Zhao, Wen-Jie Chen, Xin Wang, Chen-Xia Shen, Yi-Bin Wu, Yuan-Kun Cai
AIM: To evaluate the impact of recombinant Bacteroides fragilis enterotoxin-2 (BFT-2, or Fragilysin) on colorectal tumorigenesis in mice induced by azoxymethane/dextran sulfate sodium (AOM/DSS). METHODS: Recombinant proBFT-2 was expressed in Escherichia coli strain Rosetta (DE3) and BFT-2 was obtained and tested for its biological activity via colorectal adenocarcinoma cell strains SW-480. Seventy C57BL/6J mice were randomly divided into a blank (BC; n = 10), model (AD; n = 20), model + low-dose toxin (ADLT; n = 20, 10 μg), and a model + high-dose toxin (ADHT; n = 20, 20 μg) group...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28216465/increased-intestinal-permeation-and-modulation-of-presystemic-metabolism-of-resveratrol-formulated-into-self-emulsifying-drug-delivery-systems
#9
G Mamadou, C Charrueau, J Dairou, N Limas Nzouzi, B Eto, G Ponchel
Despite various beneficial biological properties, resveratrol lacks therapeutic applications because of poor bioavailability due to variable absorption and extensive metabolism. The present study aims at evaluating the capability of self-emulsifying drug delivery systems (SEDDS) to enhance resveratrol permeation across rat intestine and to modulate its presystemic metabolism. For that purpose, semi-solid (SS) and liquid (L) SEDDS were prepared and dispersed in an aqueous buffer to produce nanoemulsions (NE)...
February 16, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28216018/prospective-randomised-controlled-study-evaluating-early-modification-of-oral-microbiota-following-admission-to-the-intensive-care-unit-and-oral-hygiene-with-chlorhexidine
#10
Felipe Francisco Tuon, Oleg Gavrilko, Saulo de Almeida, Eigi Ricardo Sumi, Thiago Alberto, Jaime Luis Rocha, Edvaldo Antonio Rosa
OBJECTIVES: Chlorhexidine (CHX) is the most commonly used oral hygiene product for the prevention of ventilator-associated pneumonia (VAP) in patients undergoing mechanical ventilation (MV). The change in dental plaque (DP) microbiota following CHX use in patients under MV has not been described previously. The aim of this study was to evaluate the incidence of pathogenic bacteria associated with VAP and the coverage of DP within the oral cavity in patients administered CHX. METHODS: This was a prospective, randomised, controlled, double-blind study in patients (n=16) under MV who were mouth-rinsed with either CHX or placebo...
February 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28214952/novel-potential-scaffold-for-periodontal-tissue-engineering
#11
Raquel Osorio, Camilo Andrés Alfonso-Rodríguez, Estrella Osorio, Antonio L Medina-Castillo, Miguel Alaminos, Manuel Toledano-Osorio, Manuel Toledano
OBJECTIVE: The objective of the study is characterization of novel calcium and zinc-loaded electrospun matrices to be used for periodontal regeneration. MATERIALS AND METHODS: A polymethylmetacrylate-based membrane was calcium or zinc loaded. Matrices were characterized morphologically by atomic force and scanning electron microscopy and mechanically probed by a nanoindenter. Biomimetic calcium phosphate precipitation on polymeric tissues was assessed. Cell viability tests were performed using oral mucosa fibroblasts...
February 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28212612/african-ancestry-is-associated-with-facial-melasma-in-women-a-cross-sectional-study
#12
Maria Paula Barbieri D'Elia, Marcela Calixto Brandão, Bruna Ribeiro de Andrade Ramos, Márcia Guimarães da Silva, Luciane Donida Bartoli Miot, Sidney Emanuel Batista Dos Santos, Hélio Amante Miot
BACKGROUND: Melasma is a chronic acquired focal hypermelanosis affecting photoexposed areas, especially for women during fertile age. Several factors contribute to its development: sun exposure, sex steroids, medicines, and family history. Melanic pigmentation pathway discloses several SNPs in different populations. Here, we evaluated the association between genetic ancestry and facial melasma. METHODS: A cross-sectional study involving women with melasma and an age-matched control group from outpatients at FMB-Unesp, Botucatu-SP, Brazil was performed...
February 17, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28210455/morphea-en-coup-de-sabre-an-unusual-oral-presentation
#13
Sven Niklander, Constanza Marín, René Martínez, Alfredo Esguep
Morphea, or localized scleroderma, is an inflammatory disease that leads to sclerosis of the skin and underlying tissues due to excessive collagen deposition. Oral involvement is unusual and it may produce white linear fibrotic areas with a scar-like appearance, atrophy of tongue papillae, gingival recession and alveolar bone resorption. We report a case of a 13-year-old girl who consulted for progressive recession on the attached gingiva of her upper left incisors. She also presented a hypopigmented line on the left side skin of her upper lip, which continued through the vermilion and the lip mucosa, including the gingiva of the affected teeth...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210437/oral-manifestation-and-salivary-changes-in-renal-patients-undergoing-hemodialysis
#14
Marieh Honarmand, Leila Farhad-Mollashahi, Alireza Nakhaee, Fahimeh Sargolzaie
BACKGROUND: Salivary changes in hemodialysis patients may result in various oral manifestations. This research intended to determine oral manifestations and some salivary markers in hemodialysis patients. MATERIAL AND METHODS: This cross-sectional study was conducted on 30 hemodialysis patients (the patient group) and 30 healthy individuals (the control group). Saliva urea and calcium levels and pH values of the participants were measured, and oral manifestations such as pale mucosa, xerostomia, halitosis, changes in the sense of taste, increased calculus formation, gingival bleeding, etc...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210409/primary-leiomyosarcoma-of-the-mandibular-alveolar-mucosa-of-a-12-year-old-child-from-ethiopia-a-case-report
#15
Tewodros Tefera Kenea, Betel Abebe Kebede, Fekadu Mesele Gozjuze, Hagos Kiros, Frank Wilde
Leiomyosarcomas (LMSs) are rare malignant mesenchymal tumors which show smooth-muscle differentiation. Most LMSs involving the oral tissues primarily affect the maxillary sinus, the maxillary or mandibular bone. We present a case of LMS of the mandibular alveolar mucosa, arising in a 12-year-old male child from Ethiopia. A malignant spindle cell-like neoplasm was diagnosed on clinical and radiographic findings as well as on incisional biopsy. The tumor was resected with wide margins. The following histopathologic examination with additional immunohistochemical studies secured the diagnosis LMS...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28209441/proliferative-verrucous-leukoplakia-diagnosis-management-and-current-advances
#16
Diogo Lenzi Capella, Jussara Maria Gonçalves, Adelino António Artur Abrantes, Liliane Janete Grando, Filipe Ivan Daniel
INTRODUCTION: Proliferative verrucous leukoplakia is a multifocal and progressive lesion of the oral mucosa, with unknown etiology, and commonly resistant to all therapy attempts with frequent recurrences. It is characterized by a high rate of oral squamous cell carcinoma and verrucou carcinoma transformations. OBJECTIVE: To analyze the studies about Proliferative verrucous leukoplakia and develop a concise update. METHODS: A Pubmed search identifying studies (laboratory research, case series and reviews of literature) that examined patients with Proliferative verrucous leukoplakia was realized...
January 24, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28209014/pyostomatitis-vegetans-a-clue-for-diagnosis-of-silent-crohn-s-disease
#17
Saede Atarbashi-Moghadam, Ali Lotfi, Fazele Atarbashi-Moghadam
Pyostomatitis vegetans is a very rare oral manifestation with unknown pathogenesis. Skin and other mucous membrane involvement may be seen. This lesion has strong association with Inflammatory Bowel Disease (IBD) and may be the first sign of it. The management of Pyostomatitis vegetans is usually based on the management of underlying bowel disease. We present a case of Pyostomatitis vegetans involving gingiva and oral mucosa with no skin lesion which led to the diagnosis of Crohn's disease to emphasize important role of dentists in diagnosis of rare oral lesions and management of patients' systemic disease...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28205345/differential-diagnosis-of-well-differentiated-squamous-cell-carcinoma-from-non-neoplastic-oral-mucosal-lesions-new-cytopathologic-evaluation-method-dependent-on-keratinization-related-parameters-but-not-nuclear-atypism
#18
Hitoshi Hara, Tsuneo Misawa, Eri Ishii, Miki Nakagawa, Saki Koshiishi, Kenji Amemiya, Toshio Oyama, Kazuya Tominaga, Jun Cheng, Akio Tanaka, Takashi Saku
BACKGROUND: The cytology of oral squamous cell carcinoma (SCC) is challenging because oral SCC cells tend to be well differentiated and lack nuclear atypia, often resulting in a false negative diagnosis. The purpose of this study was to establish practical cytological parameters specific to oral SCCs. METHODS: We reviewed 123 cases of malignancy and 53 of non-neoplastic lesions of the oral mucosa, which had been diagnosed using both cytology and histopathology specimens...
February 16, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28203017/-analysis-of-type-c-behavior-in-patients-with-oral-lichen-planus
#19
Y S Guo, S Li, M Y Lyu, D Yang, H Hua
OBJECTIVE: To assess type C behavior in patients with oral lichen planus (OLP) in order to provide basis for clinical prevention, treatment and psychological intervention of OLP. METHODS: Type C behavior scale was used on 85 OLP patients and 85 control patients, who were in accordance with the inclusion criteria, in order to investigate their type C behavior. The scale included 9 items: anxiety, depression, anger, anger toward inside (anger-in), anger toward outside (anger-out), reasoning, domination, optimism, and social support...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28199766/dysbiosis-of-oral-buccal-mucosa-microbiota-in-patients-with-oral-lichen-planus
#20
Yuan He, Diping Gong, Cong Shi, Fangyang Shao, Jiahao Shi, Jian Fei
OBJECTIVE: The bacterial community structure of buccal mucosa in patients with oral lichen planus was evaluated and compared with healthy control. SUBJECTS AND METHODS: Buccal scraping samples have been taken on 43 oral lichen planus patients (21 erosive and 22 non-erosive) and 21 mucosal healthy volunteers. The V3 hypervariable 16S rDNA region were amplified and sequenced by high-throughput 454 pyrosequencing. RESULTS: 94.26% of the total buccal bacteria were classified into 15 abundant genera...
February 15, 2017: Oral Diseases
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