salivary gland







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  • Normal

  • Non-neoplastic

  • WHO neoplasms

  • Patterns

  • TNM (useful for grossing)

    • T
      • T1: <= 2cm
      • T2: 2-4cm
      • T3: > 4cm or macroscopic extraparenchymal extension
      • T4a: invades skin, mandible, ear canal, or facial nerve
      • T4b: invades skull base, pterygoid plates, or encases carotid artery
    • N (cervical nodes)
      • N1: single ipsilateral node, <= 3cm
      • N2a: single ipsilateral node, 3-6cm
      • N2b: multiple ipsilateral nodes, <= 6cm
      • N2c: contralateral or bilateral nodes, <= 6cm
      • N3: > 6cm

  • Staging

    • I: T1
    • II: T2
    • III: T3
    • IVA: T4a or N2
    • IVB: T4b or N3
    • IVC: M1
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