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Name the subsites of the supraglottis
- -false cord
- -arytenoid
- -suprahyoid epiglottis
- -A-E-folds
- -infrahyoid epiglottis
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what percentage of supraglottic tumors will have cervical mets?
t1,2,3,4
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Define supraglottic T3 tumor
- vocal cord fixation
- or invades postcricoid area, pre-epiglottic tissues, paraglottic space, and or inner cortex of the thyroid cartilage invasion
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Define supraglottic 4a
- invades through thyroid cartilage
- tissues beyond larynx (trachea, soft tissues of the neck, deep muscles of the tongue, thyroid, esophagus)
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Define supraglottic 4b
- invades pervertebral space
- encases carotid
- invades mediastinal structures
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Define glottic T1a
limited to one cord
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Define glottic T1b
tumor involves both cords
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Define glottic T2
- tumor extends to the supraglottis or subglottis
- and/or with impaired vocal cord mobility
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Define glottic T3
- vocal cord fixation
- and/or invades paraglottic space
- and/or minor thyroid cartilage erosion
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Define glottic T4a
- invades through cartilage
- invades tissues beyond larynx (trachea, soft tissues of the neck, deep intrinsic muscles of the tongue, thyroid esophagus)
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Define glottic 4b
- invades prevertebral space
- encases carotid
- invades mediastinal structures
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Define subglottis T1
limited to subglottis
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Define subglottis T2
tumor extends to vocal cords with normal or impaired mobility
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Define subglottis T3
vocal cord fixation
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Define subglottis T4a
- invades cricoid cartilage, thyroid cartilage, and or invades tissues beyond larynx
- (trachea, soft tissues of the neck, deep muscles of the tongue, thyroid, esophagus)
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Define subglottis T4b
- prevertebral space
- encases carotid
- invades mediastinal structures
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What are the oropharyngeal subsites?
- pharyngeal walls
- soft palate
- tonsils
- base of tongue
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Define oropharyngeal T1-T3
- T1: less than 2cm
- T2: greater than 2 less than 4
- T3: greater than 4
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Define oropharyngeal T4a (5)
- invades larynx
- deep/extrinsic muscle of the tongue
- medial pterygoid (muscle?)
- hard palate
- mandible
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Define oropharyngeal T4b (5)
- invades lateral pterygoid muscle
- pterygoid plates
- lateral nasopharynx
- skull base
- encases carotid artery
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What are the subsites of the oral cavity? (8)
- lip
- oral tongue
- buccal mucosa
- floor of mouth
- lower gingiva
- upper gingiva
- retromolar trigone
- hard palate
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Define oral cavity T1-3
- T1: less than 2
- T2: more than 2 less than 4
- T3: more than 4
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Define oral cavity T4a
- invades cortical bone
- deep tongue muscles
- maxillary sinus
- skin of face
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Define oral cavity T4b
- invades masticator space
- pterygoid plates
- skull base
- encases carotid
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