Hypopharyngeal tumors (T staging)

T staging of hypopharyngeal tumors is as follows:


The hypopharynx includes the pyriform sinuses, the lateral and posterior hypopharyngeal walls, and the postcricoid region.

  • T1: tumor is limited to one subsite of the hypopharynx and 2 cm or less in greatest dimension
  • T2: tumor invades more than one subsite of the hypopharynx or an adjacent site, or measures more than 2 cm but not more than 4 cm in greatest dimension without fixation of the hemilarynx
  • T3: tumor is more than 4 cm in greatest dimension or with fixation of the hemilarynx
  • T4
    • T4a: tumor invades thyroid/cricoid cartilage, hyoid bone, thyroid gland, esophagus, or central compartment soft tissue
    • T4b: tumor invades prevertebral fascia, encases the carotid artery, or involves mediastinal structures
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Article information

rID: 12338
System: Head & Neck
Tag: refs, cases
Synonyms or Alternate Spellings:

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