Patterns of mandibular invasion in oral squamous cell carcinoma of the mandibular region
Identifieur interne : 001892 ( Pmc/Curation ); précédent : 001891; suivant : 001893Patterns of mandibular invasion in oral squamous cell carcinoma of the mandibular region
Auteurs : Manoj Pandey [Inde] ; Latha P. Rao [Inde] ; Shaima R. Das [Inde] ; Anitha Mathews [Inde] ; Elizabeth M. Chacko [Inde] ; Br Naik [Inde]Source :
- World Journal of Surgical Oncology [ 1477-7819 ] ; 2007.
Abstract
Mandibular resections are routinely carried out for achieving a R0 resection for oral cancers. However, the need of mandibular resection to achieve this has always been questioned. The present study was carried out to define the pattern of mandibular involvement in carcinoma of the mandibular region.
A total of 25 consecutive patients who had undergone mandibular resection and were found to have mandibular invasion were studied in a prospective open fashion. After decalcification the specimens were serially sectioned at 1 cm interval to identify invasion of mandibular bone. Type of invasion, route of spread and host cell reactions were also recorded.
The mandibular involvement was infiltrative in 14(56%) and erosive in 11(44%). It was cortical in 5(20%), marrow involvement was seen in 15(60%) while 5(20%) had spread through the inferior alveolar canal. Of the 25, 24(96%) lesions were located with in 1 cm of the mandible.
The possibility of mandibular involvement is higher in patients where tumours are located with in 1 cm of the mandible. Involvement of mandible through the canal of inferior alveolar nerve in the present study was relatively high (20%). Therefore it is recommended that before a decision is taken to preserve the mandible it should be thoroughly screened for possible involvement.
Url:
DOI: 10.1186/1477-7819-5-12
PubMed: 17263872
PubMed Central: 1803788
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<author><name sortKey="Pandey, Manoj" sort="Pandey, Manoj" uniqKey="Pandey M" first="Manoj" last="Pandey">Manoj Pandey</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Department of Surgical Oncology, Regional Cancer Centre, Thiruvananthapuram Kerala, India</nlm:aff>
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<series><title level="j">World Journal of Surgical Oncology</title>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Mandibular resections are routinely carried out for achieving a R0 resection for oral cancers. However, the need of mandibular resection to achieve this has always been questioned. The present study was carried out to define the pattern of mandibular involvement in carcinoma of the mandibular region.</p>
</sec>
<sec sec-type="methods"><title>Patients and methods</title>
<p>A total of 25 consecutive patients who had undergone mandibular resection and were found to have mandibular invasion were studied in a prospective open fashion. After decalcification the specimens were serially sectioned at 1 cm interval to identify invasion of mandibular bone. Type of invasion, route of spread and host cell reactions were also recorded.</p>
</sec>
<sec><title>Results</title>
<p>The mandibular involvement was infiltrative in 14(56%) and erosive in 11(44%). It was cortical in 5(20%), marrow involvement was seen in 15(60%) while 5(20%) had spread through the inferior alveolar canal. Of the 25, 24(96%) lesions were located with in 1 cm of the mandible.</p>
</sec>
<sec><title>Conclusion</title>
<p>The possibility of mandibular involvement is higher in patients where tumours are located with in 1 cm of the mandible. Involvement of mandible through the canal of inferior alveolar nerve in the present study was relatively high (20%). Therefore it is recommended that before a decision is taken to preserve the mandible it should be thoroughly screened for possible involvement.</p>
</sec>
</div>
</front>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">World J Surg Oncol</journal-id>
<journal-title>World Journal of Surgical Oncology</journal-title>
<issn pub-type="epub">1477-7819</issn>
<publisher><publisher-name>BioMed Central</publisher-name>
<publisher-loc>London</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">17263872</article-id>
<article-id pub-id-type="pmc">1803788</article-id>
<article-id pub-id-type="publisher-id">1477-7819-5-12</article-id>
<article-id pub-id-type="doi">10.1186/1477-7819-5-12</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research</subject>
</subj-group>
</article-categories>
<title-group><article-title>Patterns of mandibular invasion in oral squamous cell carcinoma of the mandibular region</article-title>
</title-group>
<contrib-group><contrib id="A1" corresp="yes" contrib-type="author"><name><surname>Pandey</surname>
<given-names>Manoj</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<xref ref-type="aff" rid="I2">2</xref>
<email>manojpandey@vsnl.com</email>
</contrib>
<contrib id="A2" contrib-type="author"><name><surname>Rao</surname>
<given-names>Latha P</given-names>
</name>
<xref ref-type="aff" rid="I3">3</xref>
<xref ref-type="aff" rid="I6">6</xref>
<email>latha@amrita.ac.in</email>
</contrib>
<contrib id="A3" contrib-type="author"><name><surname>Das</surname>
<given-names>Shaima R</given-names>
</name>
<xref ref-type="aff" rid="I4">4</xref>
<email>shaima@yahoo.co.in</email>
</contrib>
<contrib id="A4" contrib-type="author"><name><surname>Mathews</surname>
<given-names>Anitha</given-names>
</name>
<xref ref-type="aff" rid="I5">5</xref>
<email>cytology@rcctvm.org</email>
</contrib>
<contrib id="A5" contrib-type="author"><name><surname>Chacko</surname>
<given-names>Elizabeth M</given-names>
</name>
<xref ref-type="aff" rid="I4">4</xref>
<email>shaima@yahoo.co.in</email>
</contrib>
<contrib id="A6" contrib-type="author"><name><surname>Naik</surname>
<given-names>BR</given-names>
</name>
<xref ref-type="aff" rid="I3">3</xref>
<email>naikbr@yahoo.co.in</email>
</contrib>
</contrib-group>
<aff id="I1"><label>1</label>
Department of Surgical Oncology, Regional Cancer Centre, Thiruvananthapuram Kerala, India</aff>
<aff id="I2"><label>2</label>
Department of Surgical Oncology, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India</aff>
<aff id="I3"><label>3</label>
Department of oral maxillofacial surgery, Government Dental College, Thiruvananthapuram Kerala, India</aff>
<aff id="I4"><label>4</label>
Department of Pathology, Government Medical College, Thiruvananthapuram Kerala, India</aff>
<aff id="I5"><label>5</label>
Department of Pathology, Regional Cancer Centre, Thiruvananthapuram, India</aff>
<aff id="I6"><label>6</label>
Department of Oral and maxillofacial Surgery, Amritha Institute of Medical Sciences, Kochi, India</aff>
<pub-date pub-type="collection"><year>2007</year>
</pub-date>
<pub-date pub-type="epub"><day>30</day>
<month>1</month>
<year>2007</year>
</pub-date>
<volume>5</volume>
<fpage>12</fpage>
<lpage>12</lpage>
<ext-link ext-link-type="uri" xlink:href="http://www.wjso.com/content/5/1/12"></ext-link>
<history><date date-type="received"><day>13</day>
<month>12</month>
<year>2006</year>
</date>
<date date-type="accepted"><day>30</day>
<month>1</month>
<year>2007</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2007 Pandey et al; licensee BioMed Central Ltd.</copyright-statement>
<copyright-year>2007</copyright-year>
<copyright-holder>Pandey et al; licensee BioMed Central Ltd.</copyright-holder>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.0"><p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0"></ext-link>
), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p>
<pmc-comment>
Pandey
Manoj
manojpandey@vsnl.com
Patterns of mandibular invasion in oral squamous cell carcinoma of the mandibular region
2007 World Journal of Surgical Oncology 5(1): 12-. (2007) 1477-7819(2007)5:1<12> urn:ISSN:1477-7819 </pmc-comment>
</license>
</permissions>
<abstract><sec><title>Background</title>
<p>Mandibular resections are routinely carried out for achieving a R0 resection for oral cancers. However, the need of mandibular resection to achieve this has always been questioned. The present study was carried out to define the pattern of mandibular involvement in carcinoma of the mandibular region.</p>
</sec>
<sec sec-type="methods"><title>Patients and methods</title>
<p>A total of 25 consecutive patients who had undergone mandibular resection and were found to have mandibular invasion were studied in a prospective open fashion. After decalcification the specimens were serially sectioned at 1 cm interval to identify invasion of mandibular bone. Type of invasion, route of spread and host cell reactions were also recorded.</p>
</sec>
<sec><title>Results</title>
<p>The mandibular involvement was infiltrative in 14(56%) and erosive in 11(44%). It was cortical in 5(20%), marrow involvement was seen in 15(60%) while 5(20%) had spread through the inferior alveolar canal. Of the 25, 24(96%) lesions were located with in 1 cm of the mandible.</p>
</sec>
<sec><title>Conclusion</title>
<p>The possibility of mandibular involvement is higher in patients where tumours are located with in 1 cm of the mandible. Involvement of mandible through the canal of inferior alveolar nerve in the present study was relatively high (20%). Therefore it is recommended that before a decision is taken to preserve the mandible it should be thoroughly screened for possible involvement.</p>
</sec>
</abstract>
</article-meta>
</front>
</pmc>
</record>
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