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Pathways involved in the spread of buccal carcinoma on contrast-enhanced multislice CT

Identifieur interne : 001832 ( Main/Exploration ); précédent : 001831; suivant : 001833

Pathways involved in the spread of buccal carcinoma on contrast-enhanced multislice CT

Auteurs : S-S Xu ; D. Li ; Y. Zhou ; B. Sheng ; C. Zeng ; S-X Zhong

Source :

Dentomaxillofacial Radiology [ 0250-832X ] ; 2014.

RBID : PMC:4614178

Abstract

Objectives:

To explore how buccal carcinoma spread, using contrast-enhanced multislice CT (CEMSCT).

Methods:

We retrospectively analysed the extent of lesions in 56 patients with primary buccal squamous cell carcinoma (SCCA). Abnormal manifestations on CEMSCT at oral subsites and involved adjacent structures were documented and evaluated, which were compared with the results of surgery and histopathology.

Results:

Infiltration and spread to oral subsites and/or adjacent structures was confirmed in 33 patients (58.9%). The opening of the Stensen duct was the most commonly invaded oral subsite (72.7%); other sites included the gingivobuccal sulcus (60.6%), pterygomandibular raphe (54.5%), gingiva (24.2%), retromolar trigone (24.2%), orbicularis oris (18.2%) and the floor of mouth (15.2%). Of the involved adjacent structures, the buccal space was the most common site of spread (69.7%), followed by the masticatory muscles and spaces (57.6%), bone (54.5%), skin and subcutaneous fat (39.4%), pharynx (30.3%), investing fascia (15.2%) and the base of the skull (6.1%). CEMSCT manifestations of the involvement in buccal SCCAs had correlations with pathological findings (p < 0.05). The sensitivities, specificities and accuracies of two radiologists' evaluation on buccal carcinoma involvement were 50.00%, 23.21% and 73.21%; and 51.79%, 32.14% and 83.93%, respectively.

Conclusions:

Buccal SCCAs could superficially and deeply spread to multiple oral subsites and/or adjacent structures. CEMSCT could delineate their spread pathways and extents.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4614178

DOI: 10.1259/dmfr.20140111
PubMed: 25315441
PubMed Central: 4614178

Affiliations:

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<front><div type="abstract" xml:lang="en"><sec><title>Objectives:</title>
<p>To explore how buccal carcinoma spread, using contrast-enhanced multislice CT (CEMSCT).</p>
</sec>
<sec><title>Methods:</title>
<p>We retrospectively analysed the extent of lesions in 56 patients with primary buccal squamous cell carcinoma (SCCA). Abnormal manifestations on CEMSCT at oral subsites and involved adjacent structures were documented and evaluated, which were compared with the results of surgery and histopathology.</p>
</sec>
<sec><title>Results:</title>
<p>Infiltration and spread to oral subsites and/or adjacent structures was confirmed in 33 patients (58.9%). The opening of the Stensen duct was the most commonly invaded oral subsite (72.7%); other sites included the gingivobuccal sulcus (60.6%), pterygomandibular raphe (54.5%), gingiva (24.2%), retromolar trigone (24.2%), orbicularis oris (18.2%) and the floor of mouth (15.2%). Of the involved adjacent structures, the buccal space was the most common site of spread (69.7%), followed by the masticatory muscles and spaces (57.6%), bone (54.5%), skin and subcutaneous fat (39.4%), pharynx (30.3%), investing fascia (15.2%) and the base of the skull (6.1%). CEMSCT manifestations of the involvement in buccal SCCAs had correlations with pathological findings (<italic>p</italic>
 < 0.05). The sensitivities, specificities and accuracies of two radiologists' evaluation on buccal carcinoma involvement were 50.00%, 23.21% and 73.21%; and 51.79%, 32.14% and 83.93%, respectively.</p>
</sec>
<sec><title>Conclusions:</title>
<p>Buccal SCCAs could superficially and deeply spread to multiple oral subsites and/or adjacent structures. CEMSCT could delineate their spread pathways and extents.</p>
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Pathways involved in the spread of buccal carcinoma on contrast-enhanced multislice CT

Pathways involved in the spread of buccal carcinoma on contrast-enhanced multislice CT

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