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<meta name="DC.Title" content="Gauze Padding: A Simple Technique to Delineate Small Oral Cavity Tumors" />
<meta name="DC.Identifier" content="10.3174/ajnr.A2405" />
<meta name="DC.Date" content="2011-05-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
<meta name="DC.Rights" content="Copyright © American Society of Neuroradiology" />
<meta name="DC.AccessRights" content="restricted" />
<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Small oral cavity tumors are an imaging challenge. Intimate apposition of vestibular oral mucosa to the alveolar mucosa makes tumor assessment difficult. In CT imaging, the “puffed cheek” method has been used to separate surfaces, though this is not feasible with long MR imaging sequences. We implemented placement of 2 × 2 inch (6.45 cm) gauze into the oral vestibule before the MR imaging examination, to determine whether this might improve tumor visualization.

MATERIALS AND METHODS: MR imaging examinations of all T1 oral malignant tumors treated at University of California, San Francisco, by the Oral and Maxillofacial Department were reviewed by 2 neuroradiologists. Nine patients were included in the final analysis. Six patients were imaged by using a standard protocol. Three patients were imaged with gauze placement. The radiologists evaluated the MR images, assessing whether they could see the tumor and then fully delineate it and its thickness.

RESULTS: Fisher exact analysis was performed on questions 1, 2, and 4 with the following results: P value = .048, Can you see the tumor? P value = .012, Can you fully delineate? P value of .012, How confident are you? MR imaging examinations with gauze clearly delineated the tumor with the tumor thickness measurable. MR imaging examinations without gauze did not clearly show the tumor or its thickness. Confidence of interpretation of the findings was also increased when gauze was used.

CONCLUSIONS: A 2 × 2 inch (6.45 cm) rolled gauze in the oral vestibule significantly improved tumor localization and delineation at MR imaging. This technique is simple and provides superior preoperative imaging evaluation and treatment planning of small oral cavity tumors.

FS
:   fat-saturated
NR1
:   neuroradiologist 1
NR2
:   neuroradiologist 2
OSCC
:   oral squamous cell carcinoma
pT1
:   pathological stage T1
TNM
:   tumor-node-metastasis" />
<meta name="DC.Contributor" content="J.K. Dillon" />
<meta name="DC.Contributor" content="C.M. Glastonbury" />
<meta name="DC.Contributor" content="F. Jabeen" />
<meta name="DC.Contributor" content="B.L. Schmidt" />
<meta name="article:published_time" content="2011-05-01" />
<meta name="article:section" content="Head and Neck" />
<meta name="citation_title" content="Gauze Padding: A Simple Technique to Delineate Small Oral Cavity Tumors" />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;BACKGROUND AND PURPOSE:&lt;/h3&gt;
&lt;p&gt;Small oral cavity tumors are an imaging challenge. Intimate apposition of vestibular oral mucosa to the alveolar mucosa makes tumor assessment difficult. In CT imaging, the “puffed cheek” method has been used to separate surfaces, though this is not feasible with long MR imaging sequences. We implemented placement of 2 × 2 inch (6.45 cm) gauze into the oral vestibule before the MR imaging examination, to determine whether this might improve tumor visualization.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;MR imaging examinations of all T1 oral malignant tumors treated at University of California, San Francisco, by the Oral and Maxillofacial Department were reviewed by 2 neuroradiologists. Nine patients were included in the final analysis. Six patients were imaged by using a standard protocol. Three patients were imaged with gauze placement. The radiologists evaluated the MR images, assessing whether they could see the tumor and then fully delineate it and its thickness.&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;Fisher exact analysis was performed on questions 1, 2, and 4 with the following results: &lt;i&gt;P&lt;/i&gt; value = .048, Can you see the tumor? &lt;i&gt;P&lt;/i&gt; value = .012, Can you fully delineate? &lt;i&gt;P&lt;/i&gt; value of .012, How confident are you? MR imaging examinations with gauze clearly delineated the tumor with the tumor thickness measurable. MR imaging examinations without gauze did not clearly show the tumor or its thickness. Confidence of interpretation of the findings was also increased when gauze was used.&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;A 2 × 2 inch (6.45 cm) rolled gauze in the oral vestibule significantly improved tumor localization and delineation at MR imaging. This technique is simple and provides superior preoperative imaging evaluation and treatment planning of small oral cavity tumors.&lt;/p&gt;" />
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<meta name="citation_reference" content="citation_journal_title=Mayo Clinic Proceedings;citation_journal_abbrev=Mayo Clin Proc.;citation_author=D. Kademani;citation_title=Oral Cancer;citation_pages=878-887;citation_volume=82;citation_year=2007;citation_issue=7;citation_issn=0025-6196;citation_pmid=17605971;citation_doi=10.4065/82.7.878" />
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<meta name="twitter:title" content="Gauze Padding: A Simple Technique to Delineate Small Oral Cavity Tumors" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: Small oral cavity tumors are an imaging challenge. Intimate apposition of vestibular oral mucosa to the alveolar mucosa makes tumor assessment difficult. In CT imaging, the “puffed cheek” method has been used to separate surfaces, though this is not feasible with long MR imaging sequences. We implemented placement of 2 × 2 inch (6.45 cm) gauze into the oral vestibule before the MR imaging examination, to determine whether this might improve tumor visualization.

MATERIALS AND METHODS: MR imaging examinations of all T1 oral malignant tumors treated at University of California, San Francisco, by the Oral and Maxillofacial Department were reviewed by 2 neuroradiologists. Nine patients were included in the final analysis. Six patients were imaged by using a standard protocol. Three patients were imaged with gauze placement. The radiologists evaluated the MR images, assessing whether they could see the tumor and then fully delineate it and its thickness.

RESULTS: Fisher exact analysis was performed on questions 1, 2, and 4 with the following results: P value = .048, Can you see the tumor? P value = .012, Can you fully delineate? P value of .012, How confident are you? MR imaging examinations with gauze clearly delineated the tumor with the tumor thickness measurable. MR imaging examinations without gauze did not clearly show the tumor or its thickness. Confidence of interpretation of the findings was also increased when gauze was used.

CONCLUSIONS: A 2 × 2 inch (6.45 cm) rolled gauze in the oral vestibule significantly improved tumor localization and delineation at MR imaging. This technique is simple and provides superior preoperative imaging evaluation and treatment planning of small oral cavity tumors.

FS
:   fat-saturated
NR1
:   neuroradiologist 1
NR2
:   neuroradiologist 2
OSCC
:   oral squamous cell carcinoma
pT1
:   pathological stage T1
TNM
:   tumor-node-metastasis" />
<meta name="og-title" property="og:title" content="Gauze Padding: A Simple Technique to Delineate Small Oral Cavity Tumors" />
<meta name="og-url" property="og:url" content="http://ajnr-stage2.stage.highwire.org/content/32/5/934" />
<meta name="og-site-name" property="og:site_name" content="American Journal of Neuroradiology" />
<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: Small oral cavity tumors are an imaging challenge. Intimate apposition of vestibular oral mucosa to the alveolar mucosa makes tumor assessment difficult. In CT imaging, the “puffed cheek” method has been used to separate surfaces, though this is not feasible with long MR imaging sequences. We implemented placement of 2 × 2 inch (6.45 cm) gauze into the oral vestibule before the MR imaging examination, to determine whether this might improve tumor visualization.

MATERIALS AND METHODS: MR imaging examinations of all T1 oral malignant tumors treated at University of California, San Francisco, by the Oral and Maxillofacial Department were reviewed by 2 neuroradiologists. Nine patients were included in the final analysis. Six patients were imaged by using a standard protocol. Three patients were imaged with gauze placement. The radiologists evaluated the MR images, assessing whether they could see the tumor and then fully delineate it and its thickness.

RESULTS: Fisher exact analysis was performed on questions 1, 2, and 4 with the following results: P value = .048, Can you see the tumor? P value = .012, Can you fully delineate? P value of .012, How confident are you? MR imaging examinations with gauze clearly delineated the tumor with the tumor thickness measurable. MR imaging examinations without gauze did not clearly show the tumor or its thickness. Confidence of interpretation of the findings was also increased when gauze was used.

CONCLUSIONS: A 2 × 2 inch (6.45 cm) rolled gauze in the oral vestibule significantly improved tumor localization and delineation at MR imaging. This technique is simple and provides superior preoperative imaging evaluation and treatment planning of small oral cavity tumors.

FS
:   fat-saturated
NR1
:   neuroradiologist 1
NR2
:   neuroradiologist 2
OSCC
:   oral squamous cell carcinoma
pT1
:   pathological stage T1
TNM
:   tumor-node-metastasis" />
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    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">J.K. Dillon</span>, <span class="highwire-citation-author" data-delta="1">C.M. Glastonbury</span>, <span class="highwire-citation-author" data-delta="2">F. Jabeen</span> and <span class="highwire-citation-author" data-delta="3">B.L. Schmidt</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">May 2011,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">32 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(5) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">934-937; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A2405 </span></div>
  
  
  
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      <div class="highwire-cite-title">Gauze Padding: A Simple Technique to Delineate Small Oral Cavity Tumors</div>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">J.K.</span> <span class="nlm-surname">Dillon</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">C.M.</span> <span class="nlm-surname">Glastonbury</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">F.</span> <span class="nlm-surname">Jabeen</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">B.L.</span> <span class="nlm-surname">Schmidt</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">May 2011, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">32 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(5) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">934-937; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A2405 </span></div>
  
  
  
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