Selective Neck Dissection - Indication
May elect to upgrade neck intraoperatively and proceed with more extensive neck dissection if nodes encountered, beware.
Rassekh showed intraoperative palpation of nodes in clinically N0 necks yielded 73% false-positive rate and 21% false-negative rate. Conclusion- frozen section needed to confirm SCCA and convert to radical or MRND. (7)