SUPRAOMOHYOID NECK DISSECTION FOR ORAL CANCER-OPERATIVE TECHNIQUE AND THE INDICATION-:OPERATIVE TECHNIQUE AND THE INDICATION

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Supraomohyoid neck dissection (SOHND) is a partial (regional) neck dissection that removes the contents of the submental, submandibular, and upper-mid internal jugular region (level I, II, III), where lymph node metastasis is most likely to develop in patients with oral cancer. As the sternocleidomastoid muscle, the internal jugular vein, and the spinal accessory nerve are preserved in a limited surgical field, great skill is required of both the operator and assistant. This type of neck dissection is generally performed in N0 cases, as prophylaxis, while it may be indicated in a patient with single-node metastasis in the submandibular triangle. Metastasis to the node in upper-mid internal jugular region, extra-nodal spread, and multiple metastases are contraindications.In this paper, we describe the surgical technique to perform SOHND as a radical en bloc operation, and discuss the indication for oral cancer.
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