We present a retrospective study performed to determine jugular patency after functional neck dissection (FND). Twenty-six patients, 16 females and 10 males, ranging in age from 16 to 78 were examined. These patients underwent either unilateral FND or bilateral FND for cervical lymph node metastases. Cervical duplex and pulsed Doppler imaging were chosen to determine internal jugular vein (IJV) patency. The examination was performed after a minimum postoperative period of 2 months and a maximum one of 22 years. Thirty-one IJVs were examined. All but 4 IJVs examined were found patent postoperatively. The preservation rate of patency of the IJV in FND was found to be high (27 of 31 or 87%). These results favor the use of FND for IJV preservation, particularly in bilateral neck dissection.
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