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Perineural Tumor Spread

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

Subglottic Laryngeal Squamous Cell Carcinoma

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

Glottic Laryngeal Squamous Cell Carcinoma

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…

Posterior Hypopharyngeal Wall Squamous Cell Carcinoma

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)…