Floor of mouth

Changed by Henry Knipe, 20 Jun 2016

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The floor of mouth is an oral cavity subsite, and is a common location of oral cavity squamous cell carcinoma.

Gross anatomy

The floor of mouth is a U-shaped space extends (and includes) from the oral cavity mucosa superiorly, and the mylohyoid muscle sling ^2,3.

Boundaries

superiorly: oral mucosal space
inferiorly: mylohyoid muscle ³
anteriorly: mandibular gingiva
posteriorly: anterior tonsillar pillar ²

sublingual space (some consider this a separate space)
~~superior part~~deep portion of the submandibular gland ^3,4

Relations

inferiorly: submandibular space ³

Related pathology

-<p>The <strong>floor of mouth</strong> is an <a title="Oral cavity" href="/articles/oral-cavity-1">oral cavity</a> subsite, and is a common location of <a title="Oral cavity squamous cell carcinoma" href="/articles/squamous-cell-carcinoma-of-the-oral-cavity">oral cavity squamous cell carcinoma</a>. </p><h4>Gross anatomy</h4><p>The floor of mouth is a U-shaped space extends (and includes) from the oral cavity mucosa superiorly, and the <a title="mylohyoid muscle" href="/articles/mylohyoid-muscle">mylohyoid muscle</a> sling <sup>2,3</sup>. </p><h5>Boundaries</h5><ul>
+<p>The <strong>floor of mouth</strong> is an <a href="/articles/oral-cavity-1">oral cavity</a> subsite, and is a common location of <a href="/articles/squamous-cell-carcinoma-of-the-oral-cavity">oral cavity squamous cell carcinoma</a>. </p><h4>Gross anatomy</h4><p>The floor of mouth is a U-shaped space extends (and includes) from the oral cavity mucosa superiorly, and the <a href="/articles/mylohyoid-muscle">mylohyoid muscle</a> sling <sup>2,3</sup>. </p><h5>Boundaries</h5><ul>
~~-<a title="Sublingual space" href="/articles/sublingual-space-1">sublingual space</a> (some consider this a separate space)</li>~~
~~-<li>superior part of the <a title="Submandibular gland" href="/articles/submandibular-gland">submandibular gland</a> <sup>3</sup>~~
+<a href="/articles/sublingual-space-1">sublingual space</a> (some consider this a separate space)</li>
+<li>deep portion of the <a href="/articles/submandibular-gland">submandibular gland</a> <sup>3,4</sup>
~~-</ul><h5>Relations</h5><ul><li>inferiorly: <a title="submandibular space" href="/articles/submandibular-space">submandibular space</a> 3</li></ul><h4>Related pathology</h4><ul>~~
~~-<li><a title="Oral cavity squamous cell carcinoma" href="/articles/squamous-cell-carcinoma-of-the-oral-cavity">oral cavity squamous cell carcinoma</a></li>~~
~~-<li><a title="Ranula" href="/articles/ranula">ranula</a></li>~~
+</ul><h5>Relations</h5><ul><li>inferiorly: <a href="/articles/submandibular-space">submandibular space</a> <sup>3</sup>
+</li></ul><h4>Related pathology</h4><ul>
+<li><a href="/articles/squamous-cell-carcinoma-of-the-oral-cavity">oral cavity squamous cell carcinoma</a></li>
+<li><a href="/articles/ranula">ranula</a></li>

References changed:

1. Law CP, Chandra RV, Hoang JK et-al. Imaging the oral cavity: key concepts for the radiologist. Br J Radiol. 2011;84 (1006): 944-57. <a href="http://bjr.birjournals.org/content/84/1006/944.full">Br J Radiol (full text)</a> - <a href="http://dx.doi.org/10.1259/bjr/70520972">doi:10.1259/bjr/70520972</a> - <a href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3473765">Free text at pubmed</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/21933981">Pubmed citation</a><span class="ref_v3"></span>
2. I. Alba de Caceres et al. Review of imaging anatomy and pathology of the floor of the mouth. Poster presented at ECR 2012. Available from: http://pdf.posterng.netkey.at/download/index.php?module=get_pdf_by_id&poster_id=110081
3. La'porte SJ, Juttla JK, Lingam RK. Imaging the floor of the mouth and the sublingual space. Radiographics. 2011;31 (5): 1215-30. <a href="http://dx.doi.org/10.1148/rg.315105062">doi:10.1148/rg.315105062</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/21918039">Pubmed citation</a><span class="auto"></span>
4. Otonari-Yamamoto M, Nakajima K, Tsuji Y et-al. Imaging of the mylohyoid muscle: separation of submandibular and sublingual spaces. AJR Am J Roentgenol. 2010;194 (5): W431-8. <a href="http://dx.doi.org/10.2214/AJR.09.3516">doi:10.2214/AJR.09.3516</a> - <a href="http://www.ncbi.nlm.nih.gov/pubmed/20410390">Pubmed citation</a><span class="auto"></span>

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