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Major Salivary Glands (Parotid, Submandibular, and Sublingual)
Major salivary glands include the parotid, submandibular, and sublingual glands.
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
T1 is defined as tumor 2 cm or less in greatest dimension without extraparenchymal extension (a coronal section with tumor of the submandibular gland is shown).
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
T2 is defined as tumor greater than 2 cm but not more than 4 cm in greatest dimension without extraparenchymal extension (an axial section with tumor of the deep lobe of
the parotid gland is shown).
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
T3 is defined as tumor greater than 4 cm and/or tumor having extraparenchymal extension (a tumor of the superficial lobe of the parotid gland is shown).
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
Cross-sectional diagram of T3 tumor with extraparenchymal extension from the parotid gland.
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
T4a is defined as moderately advanced disease, tumor invading skin, mandible, ear canal, and/ or facial nerve (as illustrated here).
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
Cross-sectional diagram of T4a tumor invading skin.
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
Cross-sectional diagram of T4a tumor invading mandible.
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
Coronal section of T4a tumor invading ear canal.
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
T4b is defined as very advanced disease, tumor invading skull base and/or pterygoid plates and/or encases carotid artery. In this cross-sectional diagram, the tumor
encases the carotid artery.
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
Major Salivary Glands (Parotid, Submandibular, and Sublingual)
Coronal section of T4b tumor invading skull base.
Compton, C.C., Byrd, D.R., et al., Editors. AJCC CancerStaging Atlas, 2nd Edition. New York: Springer, 2012. ©American Joint Committee on Cancer
