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      “Osteolipoma of buccal mucosa: Case report and literature review”

      case-report

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          Abstract

          Osteolipoma affecting oral cavity is indeed rare. We hereby report a case of osteolipoma affecting buccal mucosa. A review of literature of osteolipoma of oral cavity, particularly on radiographic/imaging findings was done. Only 16 cases of Osteolipoma of oral cavity are reported in the literature. The radiographic findings of our case, i.e. multiple dense homogenous radio-opaque structures was reported earlier only in one case [out of 16] of osteolipoma of oral cavity.

          Key words:Lipoma, osteolipoma, panoramic radiography, radio-opaque, radiography.

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          Most cited references10

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          Lipomas of the oral cavity: clinical findings, histological classification and proliferative activity of 46 cases.

          Lipomas represent about 1 to 5% of all neoplasms of the oral cavity. Although relatively common, few large series of intraoral lipomas and its variants are seen in the literature. Therefore, the authors present the clinical, histological and immunohistochemical features of 46 cases of intraoral lipomas reviewed from the files of the University of Campinas Dental School from 1970 to 2001. Most of the cases affected adults, without gender predilection, and the main involved sites were the buccal mucosa (21 cases), tongue (six cases), lips (six cases) and floor of mouth (five cases). The histological analysis revealed 21 cases of lipoma, 18 fibrolipomas, four intramuscular lipomas, two minor salivary gland lipomas and one spindle cell lipoma. PCNA and ki-67 expression indexes were higher in spindle cell lipoma, intramuscular lipomas and fibrolipomas compared to common lipomas, but the differences were not statistically significant. All lesions were removed surgically and none showed recurrence, regardless of the various proliferative activities.
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            Osteolipoma of the tongue.

            Lipomas are common, benign tumours located in any part of the body in which fat is normally present. Some variants of lipoma have been described according to the type of tissue present. A rare variant consists of a lipoma with osseous or cartilaginous metaplasia. These lesions have been called chondrolipoma, osteolipoma, lipoma with chondroid or osseous metaplasia, lipoma with cartilaginous or osseous change, or ossifying lipoma. We present the case of an osteolipoma of the tongue in a 49-year-old female who was referred for a painless mass on the left lateral margin of the tongue, and present for about 8 years. Osteolipomas have been reported in middle-aged or elderly patients with a very long clinical history. These tumours tend to be large and to arise from the deep soft or subcutaneous tissues. The cartilage and bone is probably produced by metaplasia of fibroblasts in chondroblasts or osteoblasts. These lesions are benign and do not recur.
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              Histopathology of rare chondroosteoblastic metaplasia in benign lipomas.

              B Katzer (1989)
              Lipomas are frequent findings in the routine work of a pathologist. Variants of lipomas are characterized by an additional component, e.g. capillaries in angiolipomas, but ordinarily their classification does not pose any problem. In contrast to the high incidence of lipomas metaplastic formation of cartilage and bone is only rarely seen. This metaplasia is thought to develop on the basis of myxoid and chondroid change within the lipoma. Mechanical stress, trophic disturbances, the conspicuously frequent contact with periosteum and even still unknown factors may represent the causes for the metaplastic transformations. Four own case reports of chondro- and osteolipomas are described and discussed in view of the gross and microscopic findings.
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                Author and article information

                Journal
                J Clin Exp Dent
                J Clin Exp Dent
                Medicina Oral S.L.
                Journal of Clinical and Experimental Dentistry
                Medicina Oral S.L.
                1989-5488
                1 April 2016
                April 2016
                : 8
                : 2
                : e214-e218
                Affiliations
                [1 ]MDS, DNB, Professor, Dept. of Oral Medicine and Radiology, CKS Theja Institute of Dental Sciences & Research, Tirupati-A.P, India
                [2 ]Professor, Dept. of Oral Medicine and Radiology, CKS Theja Institute of Dental Sciences & Research, Tirupati-A.P, India
                [3 ]Senior Lecturer, Dept. of Oral Medicine and Radiology, CKS Theja Institute of Dental Sciences & Research, Tirupati-A.P, India
                [4 ]Reader, Dept. of Oral Medicine and Radiology, CKS Theja Institute of Dental Sciences & Research, Tirupati-A.P, India
                Author notes
                Flat no. 301, Brindavan Apartments Above Karur Zysya Bank K.T Road Tirupathi- 517501 Andhra Pradesh, India , E-mail: drravirajj32@ 123456rediffmail.com
                Article
                52803
                10.4317/jced.52803
                4808319
                27034764
                5f954717-aa91-49b1-8c09-6a0456366f73
                Copyright: © 2016 Medicina Oral S.L.

                This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 30 November 2015
                : 9 October 2015
                Categories
                Case Report
                Oral Medicine and Pathology

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