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neck dissection

   Also found in: Wikipedia 0.03 sec.
neck dissection,
surgical removal of the cervical lymph nodes, performed to prevent the spread of malignant tumors of the head and neck. With the patient under general anesthesia, the cervical chain of lymph nodes with their lymphatic channels is removed in one mass to prevent the spread of cancer cells. After surgery the patient is observed closely for signs of hemorrhage and difficulty in breathing. Compare radical neck dissection.

neck dissection
 Surgery The excision of lymph nodes and other tissues grossly (|a|) (macroscopically) involved by CA in the neck for the staging of cancer. See Commando operation, Radical neck dissection.


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