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      Serum lipid profile in oral submucous fibrosis: A clinico pathological study

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          Abstract

          Background:

          Lipids play a key role in the maintenance of cell integrity. These are major cell membrane components essential for various biological functions, including cell growth and division of normal and malignant tissues. Abnormal changes have long been associated with alterations in lipid profile.

          Aim:

          The aim of this study was to evaluate the alterations in lipid profile in oral submucous fibrosis (OSMF) patients and to compare the levels with respect to the clinical staging and histological grading.

          Materials and Methods:

          Fifty patients of OSMF, diagnosed clinically and histopathologically, were included as the study subjects. A group of 50 age and sex matched normal subjects without any oral pernicious habits were taken as controls. The serum lipid profile consisting of total cholesterol (TC), triglycerides (TGs), high density lipoprotein (HDL), very low density lipoprotein (VLDL) and low density lipoprotein (LDL) were analyzed using Erba Chem-5 Plus Analyzer.

          Results:

          Serum TC, HDL and LDL levels were significantly decreased in OSMF patients as compared to controls. As the clinical stage progresses, the TC and HDL levels were gradually reduced. All the lipid profile parameters such as TC, TG, HDL, VLDL and LDL progressively reduced as the histological grade advanced.

          Conclusion:

          The results of the present study showed that there is an inverse relationship between lipid profile and the presence of OSMF. The decreased serum lipid profile may be considered as a useful indicator for initial changes occurring in the cells of potentially malignant disorders like OSMF.

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          Most cited references25

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          Molecular pathogenesis of oral submucous fibrosis--a collagen metabolic disorder.

          Oral submucous fibrosis (OSF) is a chronic debilitating disease and a premalignant condition of the oral cavity. It is characterized by a generalized submucosal fibrosis. The pathogenesis of the disease is not well established. Epidemiological evidences strongly indicate the association of the betel quid (BQ) habit and OSF. Various findings indicate the disease to be a consequence of disturbances in the homeostatic equilibrium between synthesis and degradation of extracellular matrix (ECM), wherein collagen forms a major component, thus can be considered as a collagen-metabolic disorder. Transforming growth factor-beta (TGF-beta) is a potent stimulator of production and deposition of the ECM. The objectives of this review are to highlight the molecular events involved in the overproduction of insoluble collagen and decreased degradation of collagen occurring via exposure to BQ and stimulation of the TGF-beta pathway, and elucidate the cell signaling that is involved in the etiopathogenesis of the disease process.
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            Clinical evaluation of different treatment methods for oral submucous fibrosis. A 10-year experience with 150 cases.

            Over a 10-year period (1982-1991); a total of 150 patients divided into two groups with varying degrees of oral submucous fibrosis (OSF) were treated by either medical or surgical therapies. Medical treatment involved (a) conservative oral administration of vitamin B-complex, buflomedial hydrochloride and topical triamcinolone acetonide 0.1%, or (b) conventional submucosal injections of a combination of dexamethasone and hyaluronidase, or (c) a combination of both (a) and (b). The surgical group was treated by the excision of fibrotic tissues and covering the defect with split-thickness skin, fresh human amnion, or buccal fat pad (BFP) grafts. Treatment was chosen according to the stage of clinical progression to gain maximal interincisal distance (ID). The cases were followed up by monthly examinations for at least two years, or when possible even longer. A combination of (a) and (b) medical treatment was satisfactory in cases of mild impairment (ID > 20 mm) but in the long term it led to symptomatic relief only. Surgical therapy, on the other hand, when accepted by the patients, led to a significant improvement of trismus in cases of severe limitation (ID < 20 mm). Following this strategy, an additional ID increase was observed in all patients. BFP grafting was particularly successful in diminishing scarring after two years as compared with the other two grafts. Together with a cessation of the betel quid chewing habit before and after therapy, these treatment regimens combined with daily mouth opening exercises were found to be necessary to manage OSF cases in early and advanced stages of progression.
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              A genetic progression model of oral cancer: current evidence and clinical implications.

              Based on recent genetic studies, we propose a progression model for the development of oral squamous cell carcinoma. In the initial phase, a stem cell acquires a genetic alteration; subsequently a patch is formed, a clonal unit consisting of the stem cell with its daughter cells that all share the DNA alteration. The next critical step is the conversion of a patch into an expanding field as a result of additional genetic alterations. This mucosal field replaces the normal epithelium and in the oral cavity such fields have been detected with dimensions of over 7 cm in diameter. Sometimes these fields are visible as leukoplakia. Ultimately, clonal selection leads to the development of carcinoma within this contiguous field of pre-neoplastic cells. An important clinical implication of this model is that fields often remain after surgery of the primary tumor and may lead to new cancers, presently designated by clinicians as second primary tumors or local recurrences.
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                Author and article information

                Journal
                J Oral Maxillofac Pathol
                J Oral Maxillofac Pathol
                JOMFP
                Journal of Oral and Maxillofacial Pathology : JOMFP
                Medknow Publications & Media Pvt Ltd (India )
                0973-029X
                1998-393X
                May-Aug 2015
                : 19
                : 2
                : 139-144
                Affiliations
                [1] Department of Oral Pathology and Microbiology, Mamata Dental College and Hospital, Khammam, Andhra Pradesh, India
                Author notes
                Address for correspondence: Dr. Ranjith Kumar Kanthem, Department of Oral Pathology and Microbiology, Mamata Dental College, Giriprasad Nagar, Khammam - 507 002, Andhra Pradesh, India. E-mail: laxmichandra19@ 123456gmail.com
                Article
                JOMFP-19-139
                10.4103/0973-029X.164522
                4611919
                3677a9a5-552d-4f1e-b819-dcfc30b8ffb1
                Copyright: © Journal of Oral and Maxillofacial Pathology

                This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms

                History
                : 11 February 2014
                : 26 June 2015
                Categories
                Original Article

                Pathology
                cholesterol,oral submucous fibrosis,lipid profile
                Pathology
                cholesterol, oral submucous fibrosis, lipid profile

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