KEY FACTS Terminology Definition: Malignant tumor spread along sheath of cranial nerves distant from 1° site You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Secondary laryngocele: Lesion obstructs laryngeal ventricle causing internal or mixed laryngocele Squamous cell carcinoma (SCCa) is most common cause of secondary laryngocele You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Definition: Mucosal squamous cell carcinoma (SCCa) originating from subglottic larynx Subglottic larynx definition: Inferior aspect of true vocal cord (TVC) to inferior cricoid cartilage You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Squamous cell carcinoma (SCCa) arising on mucosal surface of glottic larynx Glottis = vocal cord + anterior & posterior commissures Imaging Imaging issues Typically, diagnosis known at time of imaging following clinical exam – Imaging important to assess supra- or subglottic extension, cartilage invasion, nodes CECT/MR findings may be subtle if small tumor CECT has fewer motion artifacts than MR CECT findings Enhancing…
KEY FACTS Terminology Definition: Mucosal squamous cell carcinoma (SCCa) arising in supraglottic (SG) larynx You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
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KEY FACTS Terminology Definition: Squamous cell carcinoma (SCCa) arising from mucosa of posterior wall of hypopharynx (HP) from hyoid bone to esophageal inlet 15% are hypopharyngeal SCCa Imaging General imaging features Superficial spread superiorly to oropharynx or inferiorly to esophagus Early invasion posteriorly into prevertebral muscles through prevertebral fascia CECT: Irregular, enhancing mass distending lower HP Superior spread to oropharynx (T2) Inferior spread to esophagus (T3)…
KEY FACTS Terminology Squamous cell carcinoma (SCCa) arising from mucosa overlying posterior cricoid cartilage 1 of 3 subsites of hypopharynx (HP) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Definition: Mucosal squamous cell carcinoma (SCCa) of pyriform sinus (PyrS) hypopharynx subsite 2/3 of all hypopharyngeal SCCa are in PyrS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
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KEY FACTS Terminology Hard palate squamous cell carcinoma (SCCa) Oral cavity subsite: Mucosal malignancy of roof of mouth You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Buccal mucosa squamous cell carcinoma Oral cavity mucosal malignancy arising from inner lining of cheek and lips You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
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KEY FACTS Terminology Squamous cell carcinoma (SCCa) arising from mucosa adjacent to teeth-bearing bone You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Floor of mouth (FOM) squamous cell carcinoma (SCCa) Anatomic definition: FOM mucosa overlies mylohyoid and hyoglossus muscles, and body of tongue rests on it You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Definition: Oral cavity mucosal malignancy arising from anterior 2/3 of tongue You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
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KEY FACTS Terminology Human papillomavirus-related [HPV(+)] oropharyngeal squamous cell carcinoma (SCCa) Most often HPV type 16 You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Definition: Squamous cell carcinoma (SCCa) arising from posterior oropharyngeal wall Soft palate is superior limit; hyoid is inferior limit You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
KEY FACTS Terminology Palatine tonsil squamous cell carcinoma (SCCa) Most common oropharyngeal SCCa subsite You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here