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  • Types of orbital resections

    ProcedureIndicationsRemovedNot removed
    EviscerationPainful blind eye with no malignancy, chronic endophthalmitisInternal globeScleral coat, optic nerve, EOM
    EnucleationIO malignancy, granulomatous uveitis, traumatic globe ruptureGlobe and sclera, portion of optic nerveTeno capsule, EOM
    ExenterationAgressive malignanciesAll orbital contents
    Ref: T.J. Greenwood and M.S. Parsons, Imaging Characteristics of Common Postoperative Orbital Devices, Neurographics 2016
  • Types of neck dissections

    • Radical neck dissection

      • LN I-V

      • SM gland

      • SCM

      • IJV

      • CN XI

    • Modified neck dissection

      • RND with preservation of one or more of:

        • SCM

        • IJV

        • CN XI

    • Selective neck dissection

      • Preserves SCM, IJV, CN XI

        • Individual LN

        • Supraomohyoid neck dissection

          • SM gland

          • I

          • II

          • III

        • Lateral neck dissection

          • II

          • III

          • IV