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https://www.readbyqxmd.com/read/28513913/determination-of-role-of-ceruloplasmin-in-oral-potentially-malignant-disorders-and-oral-malignancy-a-cross-sectional-study
#1
Palak H Shah, Rashmi Venkatesh, Chandramani B More
OBJECTIVES: In the process of carcinogenesis, lipid peroxidation and increased oxidative stress leads to changes in certain antioxidants. The present study was aimed to assess and co-relate serum levels of ceruloplasmin in oral premalignancies and oral cancer so as to gauge its possible association with the process of carcinogenesis and to determine its role as tumor marker. MATERIAL AND METHODS: The total of 300 participants, were equally divided in six study groups i...
May 17, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28511519/a-giant-cutaneous-horn-projecting-from-verrucous-carcinoma-of-buccal-mucosa-a-rare-case-report
#2
Priyankar Singh, Dipesh Nathani, Shashi Ranjan, Rashmi Issar
Cutaneous horn is conical shape of compact keratin that resembles a miniature animal horn. Though morphologically similar to horns in animals they are histologically very different from them. It is a circumscribed, conical, hyperkeratotic dense protrusion with epithelial cornification above the skin surface in response to a wide range of underlying benign and malignant pathological changes. Though benign, a cutaneous horn holds the potential to be premalignant or malignant. In India till now six cases has been reported with cutaneous horn at various unusual sites...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28487883/genetic-and-epigenetic-profiling-of-a-solitary-peutz-jeghers-colon-polyp
#3
Heinz Linhart, Felix Bormann, Barbara Hutter, Benedikt Brors, Frank Lyko
Colon polyps represent precursor lesions of colon cancers and their malignant potential varies according to histological subtype. A rare subtype of colon polyps is the Peutz-Jeghers (PJ) polyp. PJ polyps mostly occur in the context of Peutz-Jeghers syndrome, which is characterized by the development of multiple polyps in the intestinal tract and hyperpigmentation of oral mucosa and lips. Peutz-Jeghers is an autosomal dominant disorder caused by pathogenic variants of the serine threonine kinase STK11. PJ polyps very rarely occur outside of the syndrome and are then referred to as solitary PJ polyps...
May 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28479681/immunolocalization-of-osteopontin-in-dysplasias-and-squamous-cell-carcinomas-arising-from-oral-epithelium
#4
Thara Aravind, Mahija Janardhanan, S Rakesh, Vindhya Savithri, U G Unnikrishnan
BACKGROUND: Early detection of oral squamous cell carcinoma (OSCC) remains one of the most efficient ways to ensure patient survival and improved quality of life. Although specific biomarkers related to OSCC have been investigated, a useful biomarker that assesses the transition potential of potentially malignant lesion to OSCC remains to be found. Osteopontin (OPN) has been recognized as an important factor in tumorigenesis and their expression in OSCC have been investigated earlier...
January 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28477348/the-potential-role-of-in-vivo-optical-coherence-tomography-for-evaluating-oral-soft-tissue-a-systematic-review
#5
REVIEW
Enrica Gentile, Claudio Maio, Antonio Romano, Luigi Laino, Alberta Lucchese
BACKGROUND: The introduction of optical coherence tomography (OCT) in dentistry enabled the integration of already existing clinical and laboratory investigations in the study the oral cavity. This systematic review, presents an overview of the literature, to evaluate the usefulness of in vivo OCT for diagnosing oral soft tissues lesions, to compare the OCT results with traditional histology, and to identify limitations in prior studies so as to improve OCT applications. METHODS: We performed a review of the literature using different search engines (PubMed, ISI Web of Science, and the Cochrane Library) employing MeSH terms such as "optical coherence tomography" and "OCT" in conjunction with other terms...
May 6, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28471120/evaluation-of-efficacy-of-1-crystal-violet-nuclear-fast-red-stain-compared-to-haematoxyline-eosin-stain-for-assessing-mitotic-figures-in-oral-premalignant-and-malignant-lesions
#6
Gauri Motiwale, Shradha Jaiswal, Ashok Vikey, Tejas Motiwale, Bhupesh Bagulkar, Atul Bhat, Prakhar Kapoor
Various chromosomal arrangements in cells undergoing division are referred to as Mitotic figure (MF). The abnormal excess of mitotic figures is commonly seen in oral epithelial dysplasia (ED) and oral squamous cell carcinoma (OSCC). In present study, we compared the number of mitotic figures in normal oral mucosa, epithelial dysplasia & OSCC sections with haematoxyline & eosine (H&E) and 1%Crystal Violet & Nuclear Fast Red (CV&NFR) stain, also the efficacy of the CV&NFR stain as compared to H & E stain. We investigated the correlation between the number of mitotic figures & grades of OSCC...
July 2016: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/28418939/exploring-the-molecular-pathogenesis-and-biomarkers-of-high-risk-oral-premalignant-lesions-on-the-basis-of-long-noncoding-rna-expression-profiling-by-serial-analysis-of-gene-expression
#7
Hongcheng Jia, Xuan Wang, Zheng Sun
Oral premalignant lesions (OPLs) have malignant transformation potential, with no reliable markers available. This study aimed to assess molecular events to identify biomarkers that can reflect high-risk lesions as predictive factors to tailor clinical decision for patients on the basis of long noncoding RNAs (lncRNA) expression profiling by serial analysis of gene expression. The GSE31021 and GSE8127 datasets were downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) and lncRNAs were identified using the LIMMA package in R language...
April 24, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28393818/genetic-changes-in-oral-premalignant-lesion-condition-and-oral-squamous-cell-carcinoma-a-study-based-on-inhibition-of-g2m-phase-by-colchicines
#8
Santosh Kanwar, Naresh Lingaraju, M S Mahesh, Srisha Basappa, Prathibha Rani
AIMS: To assess the percentage of cell arrested in G2M phase by colchicine in the early detection and prognosis of oral cancer, by comparison of oral squamous cell with leukoplakia and oral submucous fibrosis (OSMF) using flow cytometry analysis. MATERIALS AND METHODS: Biopsy samples 5 each of clinically diagnosed and histopathologically confirmed case of leukoplakia, OSMF, and squamous cell carcinoma (SCC) are included in the study. RESULTS: Colchicines significantly inhibited the growth of oral SCC-9 cell line by arresting G2M phase of the cell cycle (94...
January 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28393367/increasing-popularity-of-waterpipe-tobacco-smoking-and-electronic-cigarette-use-implications-for-oral-healthcare
#9
REVIEW
C P Ramôa, T Eissenberg, S E Sahingur
Cigarette smoking increases the risk of developing several systemic conditions including cancer, cardiovascular and pulmonary diseases. Cigarette smoking is also detrimental to oral health as it increases the incidence and severity of oral cancer, periodontal diseases and peri-implantitis, as well as impacting negatively on the dental patients' response to therapy. Therefore, consideration of smoking behavior and recommendation of smoking cessation are important parts of dental treatment planning. However, cigarettes are no longer the most popular form of tobacco use among adolescents in the United States and globally...
April 10, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28388963/minimally-invasive-versus-open-distal-pancreatectomy-leopard-study-protocol-for-a-randomized-controlled-trial
#10
Thijs de Rooij, Jony van Hilst, Jantien A Vogel, Hjalmar C van Santvoort, Marieke T de Boer, Djamila Boerma, Peter B van den Boezem, Bert A Bonsing, Koop Bosscha, Peter-Paul Coene, Freek Daams, Ronald M van Dam, Marcel G Dijkgraaf, Casper H van Eijck, Sebastiaan Festen, Michael F Gerhards, Bas Groot Koerkamp, Jeroen Hagendoorn, Erwin van der Harst, Ignace H de Hingh, Cees H Dejong, Geert Kazemier, Joost Klaase, Ruben H de Kleine, Cornelis J van Laarhoven, Daan J Lips, Misha D Luyer, I Quintus Molenaar, Vincent B Nieuwenhuijs, Gijs A Patijn, Daphne Roos, Joris J Scheepers, George P van der Schelling, Pascal Steenvoorde, Rutger-Jan Swijnenburg, Jan H Wijsman, Moh'd Abu Hilal, Olivier R Busch, Marc G Besselink
BACKGROUND: Observational cohort studies have suggested that minimally invasive distal pancreatectomy (MIDP) is associated with better short-term outcomes compared with open distal pancreatectomy (ODP), such as less intraoperative blood loss, lower morbidity, shorter length of hospital stay, and reduced total costs. Confounding by indication has probably influenced these findings, given that case-matched studies failed to confirm the superiority of MIDP. This accentuates the need for multicenter randomized controlled trials, which are currently lacking...
April 8, 2017: Trials
https://www.readbyqxmd.com/read/28384973/estimation-of-serum-protein-in-oral-potentially-malignant-disorders-and-oral-malignancy-a-cross-sectional-study
#11
Chandramani B More, Palak H Shah, Rashmi Venkatesh
INTRODUCTION: In carcinogenesis, increased oxidative stress and weakened antioxidant defense produces damage to the macromolecules like proteins. Thus, protein can act as potential biomarker in oral premalignant and malignant lesions. AIM: To determine and compare the levels of serum proteins in Oral Submucuous Fibrosis (OSMF), Oral Leukoplakia (OL), Nicotina Stomatitis (NS), Oral Malignancy (OM) and Healthy Controls (HC). MATERIALS AND METHODS: A total of 250 participants, were equally divided in five groups i...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28383824/implication-for-second-primary-cancer-from-visible-oral-and-oropharyngeal-premalignant-lesions-in-betel-nut-chewing-related-oral-cancer
#12
Shyun-Yu Liu, I-Jung Feng, Yu-Wei Wu, Ching-Yuan Chen, Chao-Nan Hsiung, Hsueh-Wei Chang, Che-Yi Lin, Min-Te Chang, Hsi-Chien Yu, Sheng-Yang Lee, Ching-Yu Yen
BACKGROUND: Visible oral and oropharyngeal premalignant lesions may be used to monitor for a second primary oral cancer. To control for bias, we focused on the visible oral and oropharyngeal premalignant lesions of patients with oral cancer with a positive betel-nut chewing habit. Visible oral and oropharyngeal premalignant lesions that can predict second primary oral cancers were studied. METHODS: Nine hundred ninety-seven patients with positive betel-nut chewing habits and oral cancer were enrolled in this retrospective cohort study...
April 6, 2017: Head & Neck
https://www.readbyqxmd.com/read/28337885/role-of-diode-lasers-in-oro-facial-pain-management
#13
F Javed, S V Kellesarian, G E Romanos
With the increasing use of low level laser therapy (LLLT) in clinical dentistry, the aim of the present study was to assess the effectiveness of diode lasers in the management of orofacial pain. Indexed databases were searched without language and time restrictions up to and including July 2016 using different combinations of the following key words: oral, low level laser therapy, dental, pain, diode lasers, discomfort and analgesia. From the literature reviewed it is evident that LLLT is effective compared to traditional procedures in the management of oro-facial pain associated to soft tissue and hard tissue conditions such as premalignant lesions, gingival conditions and dental extractions...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28303010/comparison-of-orofacial-pain-of-patients-with-different-stages-of-precancer-and-oral-cancer
#14
Yanjie Yang, Peipei Zhang, Wenlu Li
Orofacial pain impairs a patient's speech, swallowing, eating and interpersonal relations. Thirty-seven patients with a premalignant oral lesion, 124 patients with oral squamous cell carcinoma (OSSC), and 21 patients with a recurrence of OSSC were evaluated for their orofacial pain. The University of California San Francisco Oral Cancer Pain Questionnaire was administered to these patients at their initial visit, before they were prescribed analgesics for pain and before any treatment. Significant differences with respect to orofacial pain between the groups could be evaluatedwere observed...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28296547/analysis-of-silver-binding-nucleolar-organizer-regions-in-exfoliative-cytology-smears-of-potentially-malignant-and-malignant-oral-lesions
#15
G V Sowmya, P Nahar, M Astekar, H Agarwal, M P Singh
Nucleolar organizer regions are nucleolar components that contain proteins that are stained selectively by silver methods; they can be identified as black dots throughout the nucleolus and are known as silver binding nucleolar organizer regions (AgNOR). The number of AgNOR is related to the cell cycle and the proliferative activity of the cells. We investigated AgNOR using exfoliative cytology smears of potentially malignant oral lesions. Eighty individuals were divided into four equal groups: healthy controls, oral leukoplakia, oral submucous fibrosis and oral squamous cell carcinoma...
2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28296246/assessment-of-oral-cytological-features-in-smokers-and-nonsmokers-after-application-of-toluidine-blue
#16
Majid Sharbatdaran, Hamid Abbaszadeh, Sepideh Siadati, Mohammad Ranaee, Karimollah Hajian-Tilaki, Mahdieh Rajabi-Moghaddam
INTRODUCTION: Smoking is the most important etiologic factor of oral cancer. Exfoliative cytology is the best method for early detection of oral cancer. Toluidine blue staining is used for detection of oral premalignant and malignant lesions. The aim of this study was to enhance the accuracy of oral exfoliative cytology in evaluating dysplastic features using toluidine blue staining. METHODS AND MATERIALS: This clinical trials study was performed on 60 male smokers and nonsmokers without clinically oral lesion...
June 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28274041/histomorphometric-analysis-of-angiogenesis-using-cd31-immunomarker-and-mast-cell-density-in-oral-premalignant-and-malignant-lesions-a-pilot-study
#17
M Jyothsna, M Rammanohar, Kiran Kumar
INTRODUCTION: Mast cells have been implicated in promoting angiogenesis in malignant tumors of lung, oesophagus and breast, but there are few studies on Oral Squamous Cell Carcinomas (OSCC). Most oral squamous cell carcinomas arise from pre-existing precancerous lesions exhibiting epithelial dysplasia. AIM: The present pilot study attempts to compare Mast Cell Density (MCD), Microvessel Density (MVD), Microvessel Area (MVA) histomorphometrically between normal buccal mucosa, severe epithelial dysplasia and OSCC and to correlate the role of mast cells and angiogenesis in tumor progression...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28239573/role-of-buccal-pad-of-fat-in-reconstruction-of-the-buccal-mucosa-defects
#18
A Sagayaraj, N Divya Jyothi, S M Azeem Mohiyuddin, Ravindra P Deo, B Vageesh Padiyar
Carcinoma buccal mucosa is the most common oral cavity cancer in India. Following excision of these lesions the defects can be reconstructed using various reconstructive techniques. Buccal pad of fat has been successfully used in the reconstruction of small palatal defects and in the closure of the oro antral fistula. This study aims at evaluating the role of buccal pad of fat in reconstruction of defects following excision of the small to medium premalignant lesions and T1-T2 malignant lesions of buccal mucosa...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28225785/betel-nut-chewing-oral-premalignant-lesions-and-the-oral-microbiome
#19
Brenda Y Hernandez, Xuemei Zhu, Marc T Goodman, Robert Gatewood, Paul Mendiola, Katrina Quinata, Yvette C Paulino
Oral cancers are attributed to a number of causal agents including tobacco, alcohol, human papillomavirus (HPV), and areca (betel) nut. Although betel nut chewing has been established as an independent cause of oral cancer, the mechanisms of carcinogenesis are poorly understood. An investigation was undertaken to evaluate the influence of betel nut chewing on the oral microbiome and oral premalignant lesions. Study participants were recruited from a dental clinic in Guam. Structured interviews and oral examinations were performed...
2017: PloS One
https://www.readbyqxmd.com/read/28217539/analysis-of-plasma-lipid-peroxidation-and-antioxidant-enzymes-status-in-patients-of-oral-leukoplakia-a-case-control-study
#20
Kumar Chandan Srivastava, Deepti Shrivastava
AIMS AND OBJECTIVES: Imbalances between the oxidant-antioxidant status have been implicated in the pathogenesis of several diseases, including oral cancer. Mostly, all oral cancer lesions are preceded by a stage of premalignancy. The present study aims to evaluate lipid peroxidation and antioxidant status in the venous blood of patients with different clinicopathologic stages of leukoplakia. MATERIALS AND METHODS: A case control study was designed with the inclusion of 20 new cases of histopathologically proven leukoplakia of various clinical stages along with an equal number of positive and negative control individuals...
December 2016: Journal of International Society of Preventive & Community Dentistry
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