Oral Fibrolipoma-A Rare Histological Entity: Report of 3 Cases and Review of Literature
Identifieur interne : 001D90 ( Pmc/Corpus ); précédent : 001D89; suivant : 001D91Oral Fibrolipoma-A Rare Histological Entity: Report of 3 Cases and Review of Literature
Auteurs : B. S. Manjunatha ; G. S. Deepak Pateel ; V. ShahSource :
- Journal of Dentistry (Tehran, Iran) [ 1735-2150 ] ; 2010.
Abstract
Lipomas are rare benign soft tissue mesenchymal neoplasms in the oral cavity, representing 1% of all benign oral tumors. Fibrolipoma (FL), an uncommon, histological variant of the classic lipoma, mostly affects the buccal mucosa. Very few cases of FL have been reported in the English literature. To the best of our knowledge a review of the English literature showed 33 cases of FL affecting the oral cavity.
The diagnosis and differentiation of FL with clinically similar lesions such as fibroma, mucocele and pleomorphic adenoma are very essential for a correct treatment plan and complete follow-up. Due to the rarity of oral cavity fibrolipoma reports, three cases and a review of literature is presented here.
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PubMed: 21998799
PubMed Central: 3184759
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Oral Fibrolipoma-A Rare Histological Entity: Report of 3 Cases and Review of Literature</title><author><name sortKey="Manjunatha, B S" sort="Manjunatha, B S" uniqKey="Manjunatha B" first="B. S." last="Manjunatha">B. S. Manjunatha</name><affiliation><nlm:aff id="af1-jod-7-4-226">Associate Professor, Deptment of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</nlm:aff></affiliation></author><author><name sortKey="Pateel, G S Deepak" sort="Pateel, G S Deepak" uniqKey="Pateel G" first="G. S. Deepak" last="Pateel">G. S. Deepak Pateel</name><affiliation><nlm:aff id="af2-jod-7-4-226">Senior lecturer, Department of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</nlm:aff></affiliation></author><author><name sortKey="Shah, V" sort="Shah, V" uniqKey="Shah V" first="V." last="Shah">V. Shah</name><affiliation><nlm:aff id="af3-jod-7-4-226">Professor, Department of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">21998799</idno><idno type="pmc">3184759</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3184759</idno><idno type="RBID">PMC:3184759</idno><date when="2010">2010</date><idno type="wicri:Area/Pmc/Corpus">001D90</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">001D90</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Oral Fibrolipoma-A Rare Histological Entity: Report of 3 Cases and Review of Literature</title><author><name sortKey="Manjunatha, B S" sort="Manjunatha, B S" uniqKey="Manjunatha B" first="B. S." last="Manjunatha">B. S. Manjunatha</name><affiliation><nlm:aff id="af1-jod-7-4-226">Associate Professor, Deptment of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</nlm:aff></affiliation></author><author><name sortKey="Pateel, G S Deepak" sort="Pateel, G S Deepak" uniqKey="Pateel G" first="G. S. Deepak" last="Pateel">G. S. Deepak Pateel</name><affiliation><nlm:aff id="af2-jod-7-4-226">Senior lecturer, Department of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</nlm:aff></affiliation></author><author><name sortKey="Shah, V" sort="Shah, V" uniqKey="Shah V" first="V." last="Shah">V. Shah</name><affiliation><nlm:aff id="af3-jod-7-4-226">Professor, Department of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</nlm:aff></affiliation></author></analytic><series><title level="j">Journal of Dentistry (Tehran, Iran)</title><idno type="ISSN">1735-2150</idno><idno type="eISSN">2008-2185</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Lipomas are rare benign soft tissue mesenchymal neoplasms in the oral cavity, representing 1% of all benign oral tumors. Fibrolipoma (FL), an uncommon, histological variant of the classic lipoma, mostly affects the buccal mucosa. Very few cases of FL have been reported in the English literature. To the best of our knowledge a review of the English literature showed 33 cases of FL affecting the oral cavity.</p><p>The diagnosis and differentiation of FL with clinically similar lesions such as fibroma, mucocele and pleomorphic adenoma are very essential for a correct treatment plan and complete follow-up. Due to the rarity of oral cavity fibrolipoma reports, three cases and a review of literature is presented here.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Fregnani, Er" uniqKey="Fregnani E">ER Fregnani</name></author><author><name sortKey="Pires, Fr" uniqKey="Pires F">FR Pires</name></author><author><name sortKey="Falzoni, R" uniqKey="Falzoni R">R Falzoni</name></author><author><name sortKey="Lopes, Ma" uniqKey="Lopes M">MA Lopes</name></author><author><name sortKey="Vargas, Pa" uniqKey="Vargas P">PA Vargas</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Devisscher, Jg" uniqKey="Devisscher J">JG deVisscher</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Papanayotou, Ph" uniqKey="Papanayotou P">PH Papanayotou</name></author><author><name sortKey="Kayavis, Ig" uniqKey="Kayavis I">IG Kayavis</name></author><author><name sortKey="Trigonidis, G" 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<front><journal-meta><journal-id journal-id-type="nlm-ta">J Dent (Tehran)</journal-id><journal-id journal-id-type="publisher-id">JDT</journal-id><journal-title-group><journal-title>Journal of Dentistry (Tehran, Iran)</journal-title></journal-title-group><issn pub-type="ppub">1735-2150</issn><issn pub-type="epub">2008-2185</issn><publisher><publisher-name>Tehran University of Medical Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">21998799</article-id><article-id pub-id-type="pmc">3184759</article-id><article-id pub-id-type="publisher-id">jod-7-226</article-id><article-categories><subj-group subj-group-type="heading"><subject>Case Report</subject></subj-group></article-categories><title-group><article-title>Oral Fibrolipoma-A Rare Histological Entity: Report of 3 Cases and Review of Literature</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Manjunatha</surname><given-names>B.S.</given-names></name><xref ref-type="aff" rid="af1-jod-7-4-226"><sup>1</sup></xref><xref ref-type="corresp" rid="c1-jod-7-4-226"></xref></contrib><contrib contrib-type="author"><name><surname>Pateel</surname><given-names>G.S. Deepak</given-names></name><xref ref-type="aff" rid="af2-jod-7-4-226"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Shah</surname><given-names>V.</given-names></name><xref ref-type="aff" rid="af3-jod-7-4-226"><sup>3</sup></xref></contrib></contrib-group><aff id="af1-jod-7-4-226"><label>1</label>Associate Professor, Deptment of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</aff><aff id="af2-jod-7-4-226"><label>2</label>Senior lecturer, Department of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</aff><aff id="af3-jod-7-4-226"><label>3</label>Professor, Department of Oral Pathology and Microbiology, Sumandeep Vidyapeeth, K M Shah Dental College and Hospital, Pipariya,Vadodara, Gujarat State, India</aff><author-notes><corresp id="c1-jod-7-4-226">Corresponding author: B.S. Manjunatha, Associate Professor, Dept of Oral Pathology, KM Shah Dental College Sumandeep Vidyapeeth Pipariya--391760 Waghodia Vadodara, Gujarat, India. <email>drmanju26@hotmail.com</email></corresp></author-notes><pub-date pub-type="collection"><year>2010</year></pub-date><pub-date pub-type="epub"><day>30</day><month>9</month><year>2010</year></pub-date><pub-date pub-type="ppub"><season>Autumn</season><year>2010</year></pub-date><volume>7</volume><issue>4</issue><fpage>226</fpage><lpage>231</lpage><history><date date-type="received"><day>15</day><month>4</month><year>2010</year></date><date date-type="accepted"><day>20</day><month>10</month><year>2010</year></date></history><permissions><copyright-statement>Copyright © Dental Research Center, Tehran University of Medical Sciences</copyright-statement><copyright-year>2010</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution NonCommercial 3.0 License (CC BY-NC 3.0), which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.</license-p></license></permissions><abstract><p>Lipomas are rare benign soft tissue mesenchymal neoplasms in the oral cavity, representing 1% of all benign oral tumors. Fibrolipoma (FL), an uncommon, histological variant of the classic lipoma, mostly affects the buccal mucosa. Very few cases of FL have been reported in the English literature. To the best of our knowledge a review of the English literature showed 33 cases of FL affecting the oral cavity.</p><p>The diagnosis and differentiation of FL with clinically similar lesions such as fibroma, mucocele and pleomorphic adenoma are very essential for a correct treatment plan and complete follow-up. Due to the rarity of oral cavity fibrolipoma reports, three cases and a review of literature is presented here.</p></abstract><kwd-group><kwd>Lipoma</kwd><kwd>Buccal Mucosa</kwd><kwd>Adipose Tissue Neoplasms</kwd><kwd>Adipocytes</kwd></kwd-group></article-meta></front><body><sec sec-type="intro"><title>INTRODUCTION</title><p>Lipoma is a benign mesenchymal soft tissue neoplasm of mature adipocytes of which of about 20% occurs in the head and neck region. However, oral lipomas comprise of only 1% to 4% of cases and these usually present as painless, well-circumscribed, slow-growing submucosal mass or superficial lesions, mainly in the buccal mucosa.</p><p>These are usually composed of mature adipocytes, surrounded by a thin fibrous capsule [<xref ref-type="bibr" rid="b2-jod-7-4-226">2</xref>]. Oral lipoma is usually slow growing and rarely recurs after surgical treatment. Hence, the prognosis of these benign tumors is considered good [<xref ref-type="bibr" rid="b3-jod-7-4-226">3</xref>, <xref ref-type="bibr" rid="b4-jod-7-4-226">4</xref>]</p><p>Histologically, lipomas are classified as simple lipoma or variants such as fibrolipoma, spindle cell lipoma, intramuscular or infiltrating lipoma, angiolipoma, salivary gland lipoma (sialolipoma), pleomorphic lipoma, myxoid and atypical lipomas [<xref ref-type="bibr" rid="b5-jod-7-4-226">5</xref>,<xref ref-type="bibr" rid="b6-jod-7-4-226">6</xref>].</p><p>FL of the oral cavity has been infrequently reported. To the best of our knowledge, the review of the English literature till early 2009 revealed a total of 33 cases of intraoral FL (<xref ref-type="table" rid="t1-jod-7-4-226">Table 1</xref>).</p><p>As oral lipomas are relatively rare, few large case series have been published in the English literature [<xref ref-type="bibr" rid="b1-jod-7-4-226">1</xref>,<xref ref-type="bibr" rid="b7-jod-7-4-226">7</xref>–<xref ref-type="bibr" rid="b9-jod-7-4-226">9</xref>].</p><p>A review by Fregnani et al. [<xref ref-type="bibr" rid="b1-jod-7-4-226">1</xref>] revealed the buccal mucosa as the most common site of occurrence and the tongue as the second most common site.</p><p>One case of FL has been reported in the lower lip area. A male predilection was noted from the data available in the literature (<xref ref-type="table" rid="t1-jod-7-4-226">Table 1</xref>). However, in contrast some have also shown a female predilection [<xref ref-type="bibr" rid="b9-jod-7-4-226">9</xref>].</p><p>The time of development of the tumor to diagnosis is often unknown but has been reported to vary from two months to 21 years [<xref ref-type="bibr" rid="b10-jod-7-4-226">10</xref>].</p><p>The mean age of occurrence of FL is 34 years with a range from 3 to 56 years. In this present case report we analyze three cases of fibrolipoma and discuss the clinico-pathological features.</p></sec><sec sec-type="cases"><title>CASE REPORT</title><p>Two male patients (cases 1 & 2) came to KM Shah Dental College and Hospital, Vadodara from September 2008 to March 2009 and presented with chief complain of growth in the right cheek of at least 6 months duration. One male patient in May 2009 reported to the out patient department for a set of complete denture for his upper edentulous jaw and was unaware of such a lesion on the palate.</p><p>The detailed clinical features of all three cases of oral fibrolipoma comprising age and gender of the patient, size, appearance and duration of the lesion are summarized in <xref ref-type="table" rid="t2-jod-7-4-226">Table 2</xref>. All three patients were male, with the mean age of 66.6 years (range, 55 to 75 years).</p><p>The chief complaint was a solitary painless nodule in all three cases of which two were seen on the buccal mucosa (case 1 and 2) and one was on the palate (case 3) (<xref ref-type="fig" rid="f1-jod-7-4-226">Fig 1</xref>). The size of the tumor varied from 1 cm to 3.0 cm with a mean dimension of 1.8 cm. Clinically, all cases presented as painless, well-circumscribed, sub-mucosal nodules, soft to semi-firm in consistency and pale pinkish in color similar to the adjacent normal mucosa.</p><p>The lesion was sessile in two cases (<xref ref-type="fig" rid="f2-jod-7-4-226">Fig 2</xref>) and pedunculated in one case.</p><p>The duration of this lesion ranged from 6 years to 10 years. It is interesting to note that clinically all cases were diagnosed as ‘fibroma’. Histopathologically, all cases revealed admixture of round to oval, variably sized typical adipocytes interspersed with dense collagen fibers in a connective tissue stroma (<xref ref-type="fig" rid="f3-jod-7-4-226">Figs 3</xref> & <xref ref-type="fig" rid="f4-jod-7-4-226">4</xref>). Stratified squamous epithelium covering the surface was also seen in these cases.</p><p>The microscopic diagnosis of ‘fibrolipoma’ was given for all three cases.</p><p>A follow-up of 6 months in all three cases found no evidence of disease.</p></sec><sec sec-type="discussion"><title>DISCUSSION</title><p>Lipomas are benign soft tissue neoplasms of adipose tissue origin and are relatively uncommon in the oral cavity, representing about 1% to 5% of all benign oral lesions [<xref ref-type="bibr" rid="b1-jod-7-4-226">1</xref>]. The first description of oral lipoma was provided in 1848 by Roux in a review of alveolar masses which he referred it as a ‘yellow epulis’ [<xref ref-type="bibr" rid="b11-jod-7-4-226">11</xref>].</p><p>Lipomas can occur in various anatomic sites including the major salivary glands and various parts of the mouth.</p><p>The English literature review showed a variable distribution of these intraoral lipomas but approximately half were related to the cheek and the remaining were found in the tongue, floor of the mouth, lips, palate and gingiva [<xref ref-type="bibr" rid="b12-jod-7-4-226">12</xref>–<xref ref-type="bibr" rid="b16-jod-7-4-226">16</xref>] Generally, oral lipomas have been reported to occur in all ages but are frequently seen after 40 years of age [<xref ref-type="bibr" rid="b13-jod-7-4-226">13</xref>].</p><p>Hatziotis, in a review of the literature, reported that 80% of the patients were over 40 years of age, 64% were over 50 years and 40% over 60 years with an age range of 2–87 years [<xref ref-type="bibr" rid="b17-jod-7-4-226">17</xref>].</p><p>Fibrolipoma is a benign soft tissue tumor that rarely occurs in the oral and maxillofacial regions, and is classified as a variant of conventional lipoma by the WHO [<xref ref-type="bibr" rid="b18-jod-7-4-226">18</xref>,<xref ref-type="bibr" rid="b19-jod-7-4-226">19</xref>].</p><p>FL is a histological variant of simple lipoma and differs from the classic variant, posed of mature adipose tissue interspersed by bands of connective tissue.</p><p>FL of the oral cavity has been infrequently reported. To the best of our knowledge, the review of the English Fibrolipoma usually literature till early 2009 revealed a total of 33 cases manifests as long-lasting sessile of intraoral FL. A very recent study showed that 27% of 41 cases of oral lipomas were FL [<xref ref-type="bibr" rid="b9-jod-7-4-226">9</xref>].</p><p>Fibrolipomas have been reported in the esophagus, pharynx, colon, trachea, larynx and other locations [<xref ref-type="bibr" rid="b20-jod-7-4-226">20</xref>,<xref ref-type="bibr" rid="b21-jod-7-4-226">21</xref>]. round to ovoid sub-mucosal nodules affecting the buccal mucosa, tongue, labial mucosa, parotid region and palate, as shown by our literature review (<xref ref-type="table" rid="t1-jod-7-4-226">Table 1</xref>).</p><p>According to the literature, it is difficult to value the real incidence of this neoplasm because it appears as painless and slow-growing clinical appearance. In reality, the patient refers to the clinician only when it becomes symptomatic and for aesthetic or functional problems. In a large series of studies on lipoma by Fregnani et al and de Feitas et al, 39% and 27% were reported microscopically as fibrolipoma, respectively [<xref ref-type="bibr" rid="b1-jod-7-4-226">1</xref>,<xref ref-type="bibr" rid="b9-jod-7-4-226">9</xref>]. Whereas other similar case series have reported a very low incidence of fibrolipoma cases [<xref ref-type="bibr" rid="b2-jod-7-4-226">2</xref>,<xref ref-type="bibr" rid="b13-jod-7-4-226">13</xref>,<xref ref-type="bibr" rid="b17-jod-7-4-226">17</xref>]. These differences could be explained by real racial and geographic characteristics or simply by different diagnostic criteria.</p><p>The size of the tumor depends on the location of the lesion, but rarely exceeds 25 mm in diameter [<xref ref-type="bibr" rid="b22-jod-7-4-226">22</xref>].</p><p>Lipomas are freely mobile in relation to the surrounding tissues and may clinically have a semi-lucent yellow color because of the thin overlying epithelium.</p><p>In some cases it is possible to observe the superficial blood vessels as well.</p><p>The consistency of this lesion varies from soft to firm, depending on the quantity and distribution of fibrous tissue and the depth of the tumor [<xref ref-type="bibr" rid="b23-jod-7-4-226">23</xref>].</p><p>In some cases, a sensation of fluctuation may be recognized in these tumors [<xref ref-type="bibr" rid="b24-jod-7-4-226">24</xref>]. nor salivary gland tumors either benign or malignant. We diagnosed fibrolipoma based on the presence of mature adipose tissue interspersed by bands of broad or fascicles of dense connective tissue fibers with the capsule.</p><p>Lipoma and fibrolipoma both are usually well circumscribed and have a thin capsule. Fibrolipoma differs from the classic variant because the mature adipose tissue is interspersed by bands of connective tissue.</p><p>The proliferative activity of FL revealed a greater proliferative rate than other simple variants which indicates the need for accurate diagnosis of such variants with high proliferative activity and further encourages similar studies [<xref ref-type="bibr" rid="b1-jod-7-4-226">1</xref>].</p><p>Furthermore liposarcoma of the oral cavity is exceedingly rare, but this entity cannot be distinguished from its benign counterpart at clinical examination [<xref ref-type="bibr" rid="b15-jod-7-4-226">15</xref>]. Therefore, accurate histological examination is mandatory, and the differential diagnosis is based on the detection of a lack of lobular architecture, areas of prominent fibrosis and, most importantly, on the presence of multivacuolated adipose cells with indented nuclei (lipoblasts), which are typically present in liposarcoma in variable proportions. The lesion in all three patient was surgically excise without any complications. Post- operative follow-up of six months showed no recurrence in any of the cases. The data from the literature review showed no evidence of recurrence in any reports and the duration of follow-up ranged from minimum 10 months to maximum 5 years. The average follow-up period in the literature review was approximately 3 years.</p><p>However, two cases of giant FL [<xref ref-type="bibr" rid="b25-jod-7-4-226">25</xref>,<xref ref-type="bibr" rid="b26-jod-7-4-226">26</xref>] have not been considered in the present report. These contradictory findings authenticate the need for a meticulous analysis of intra-oral FL cases.</p></sec><sec><title>CONCLUSION</title><p>Microscopic/histological findings provided by Oral Pathologists should be combined with clinical features for accurate diagnosis. FL represents a distinct clinico-pathologic and biologic entity with an increased growth potential compared with the classic lipoma and not associated with any syndrome and with a low recurrence rate.</p><p>The case presented here adds to the existing few cases of FL reported in English literature. Lesions appearing alike clinically often present diverse and overlapping histopathological features and in such cases, they pose a diagnostic dilemma for general dentists. So, the authors recommend that histopathological examination of excised tissue is a gold standard investigative procedure along with consultation with an Oral Pathologist for correct diagnosis has a very significant role in providing successful treatment and preventing any malignant transformation, as recommended earlier. 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4</label><caption><p>Microphotograph showing round to oval shaped adipocytes admixed with dense collagenous fibers and fibroblasts (H & E Stain, 400X magnification).</p></caption><graphic xlink:href="jod-7-226f4"></graphic></fig><table-wrap id="t1-jod-7-4-226" position="float"><label>Table 1</label><caption><p>Summary of previous reported cases of oral fibrolipoma</p></caption><table frame="hsides" rules="groups"><thead><tr><th align="left" valign="top" rowspan="1" colspan="1"><bold><italic>Author</italic></bold></th><th align="left" valign="top" rowspan="1" colspan="1"><bold><italic>Age /Sex<xref ref-type="table-fn" rid="tfn1-jod-7-4-226">*</xref></italic></bold></th><th align="left" valign="top" rowspan="1" colspan="1"><bold><italic>Site</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Duration</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>No. of Cases</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Recurrence</italic></bold></th></tr></thead><tbody><tr><td align="left" valign="top" rowspan="1" colspan="1">Saitoh et al 1995 <sup><xref ref-type="bibr" rid="b16-jod-7-4-226">16</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">3/F</td><td align="left" valign="top" rowspan="1" colspan="1">Parotid</td><td align="center" valign="top" rowspan="1" colspan="1">NA</td><td align="center" valign="top" rowspan="1" colspan="1">1</td><td align="left" valign="top" rowspan="1" colspan="1">NED 3 years</td></tr><tr><td align="left" valign="top" rowspan="1" colspan="1">Dattilo et al 1996 <sup><xref ref-type="bibr" rid="b14-jod-7-4-226">14</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">45/M</td><td align="left" valign="top" rowspan="1" colspan="1">Tongue</td><td align="center" valign="top" rowspan="1" colspan="1">10 years</td><td align="center" valign="top" rowspan="1" colspan="1">1</td><td align="left" valign="top" rowspan="1" colspan="1">NA</td></tr><tr><td align="left" valign="top" rowspan="1" colspan="1">Epivatianos et al 2000 <sup><xref ref-type="bibr" rid="b13-jod-7-4-226">13</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">NA</td><td align="left" valign="top" rowspan="1" colspan="1">Tongue</td><td align="center" valign="top" rowspan="1" colspan="1">NA</td><td align="center" valign="top" rowspan="1" colspan="1">2</td><td align="left" valign="top" rowspan="1" colspan="1">NA</td></tr><tr><td align="left" valign="top" rowspan="1" colspan="1">Fregnani et al 2003 <sup><xref ref-type="bibr" rid="b1-jod-7-4-226">1</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">NA</td><td align="left" valign="top" rowspan="1" colspan="1">Buccal Mucosa</td><td align="center" valign="top" rowspan="1" colspan="1">NA</td><td align="center" valign="top" rowspan="1" colspan="1">18</td><td align="left" valign="top" rowspan="1" colspan="1">NED 26.5 months</td></tr><tr><td align="left" valign="top" rowspan="1" colspan="1">Furlong MA et al 2004 <sup><xref ref-type="bibr" rid="b7-jod-7-4-226">7</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">NA</td><td align="left" valign="top" rowspan="1" colspan="1">Parotid Buccal mucosa</td><td align="center" valign="top" rowspan="1" colspan="1">NA</td><td align="center" valign="top" rowspan="1" colspan="1">2</td><td align="left" valign="top" rowspan="1" colspan="1">NA</td></tr><tr><td align="left" valign="top" rowspan="1" colspan="1">Bandéca MC 2007 <sup><xref ref-type="bibr" rid="b23-jod-7-4-226">23</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">42/M</td><td align="left" valign="top" rowspan="1" colspan="1">Lower lip</td><td align="center" valign="top" rowspan="1" colspan="1">NA</td><td align="center" valign="top" rowspan="1" colspan="1">1</td><td align="left" valign="top" rowspan="1" colspan="1">NED 60 months</td></tr><tr><td align="left" valign="top" rowspan="1" colspan="1">Capodiferro S et al 2008 <sup><xref ref-type="bibr" rid="b15-jod-7-4-226">15</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">43/M</td><td align="left" valign="top" rowspan="1" colspan="1">Labial mucosa</td><td align="center" valign="top" rowspan="1" colspan="1">8 months</td><td align="center" valign="top" rowspan="1" colspan="1">1</td><td align="left" valign="top" rowspan="1" colspan="1">NED 10 months</td></tr><tr><td align="left" valign="top" rowspan="1" colspan="1">Freitas et al 2009 <sup><xref ref-type="bibr" rid="b9-jod-7-4-226">9</xref></sup></td><td align="left" valign="top" rowspan="1" colspan="1">56/F</td><td align="left" valign="top" rowspan="1" colspan="1">Buccal mucosa</td><td align="center" valign="top" rowspan="1" colspan="1">NA</td><td align="center" valign="top" rowspan="1" colspan="1">7</td><td align="left" valign="top" rowspan="1" colspan="1">NA</td></tr></tbody></table><table-wrap-foot><fn id="tfn1-jod-7-4-226"><label>*</label><p>Age→in years, M→ Male, F→Female, NED--no evidence of disease; NA--not available</p></fn></table-wrap-foot></table-wrap><table-wrap id="t2-jod-7-4-226" position="float"><label>Table 2</label><caption><p>Clinical details of our cases</p></caption><table frame="hsides" rules="groups"><thead><tr><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Case</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Age/Gender<xref ref-type="table-fn" rid="tfn2-jod-7-4-226">*</xref></italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Site<xref ref-type="table-fn" rid="tfn2-jod-7-4-226">*</xref></italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Size</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Appearance</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Symptoms</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Duration</italic></bold></th><th align="center" valign="top" rowspan="1" colspan="1"><bold><italic>Consistency</italic></bold></th></tr></thead><tbody><tr><td align="center" valign="top" rowspan="1" colspan="1">Case 1</td><td align="center" valign="top" rowspan="1" colspan="1">75 /M</td><td align="center" valign="top" rowspan="1" colspan="1">Right BM</td><td align="center" valign="top" rowspan="1" colspan="1">3 cm</td><td align="center" valign="top" rowspan="1" colspan="1">Pedunculated</td><td align="center" valign="top" rowspan="1" colspan="1">None</td><td align="center" valign="top" rowspan="1" colspan="1">10 years</td><td align="center" valign="top" rowspan="1" colspan="1">Soft</td></tr><tr><td align="center" valign="top" rowspan="1" colspan="1">Case 2</td><td align="center" valign="top" rowspan="1" colspan="1">55 /M</td><td align="center" valign="top" rowspan="1" colspan="1">Right BM</td><td align="center" valign="top" rowspan="1" colspan="1">1 cm</td><td align="center" valign="top" rowspan="1" colspan="1">Sessile</td><td align="center" valign="top" rowspan="1" colspan="1">None</td><td align="center" valign="top" rowspan="1" colspan="1">6 months</td><td align="center" valign="top" rowspan="1" colspan="1">Firm</td></tr><tr><td align="center" valign="top" rowspan="1" colspan="1">Case 3</td><td align="center" valign="top" rowspan="1" colspan="1">70 /M</td><td align="center" valign="top" rowspan="1" colspan="1">Soft Palate</td><td align="center" valign="top" rowspan="1" colspan="1">1.5 cm</td><td align="center" valign="top" rowspan="1" colspan="1">Sessile</td><td align="center" valign="top" rowspan="1" colspan="1">None</td><td align="center" valign="top" rowspan="1" colspan="1">6months</td><td align="center" valign="top" rowspan="1" colspan="1">Soft</td></tr></tbody></table><table-wrap-foot><fn id="tfn2-jod-7-4-226"><label>*</label><p>Age→in years, M→ Male, F→Female, BM→ Buccal mucosa</p></fn></table-wrap-foot></table-wrap></floats-group></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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