Related Experiment Videos
Accessory nerve function after modified radical and lateral neck dissections
A Köybasioglu1, A B Tokcaer, S Uslu
1Department of Otorhinolaryngology, Gazi University School of Medicine, Besevler, Ankara, Turkey.
The Laryngoscope
|January 26, 2000
Summary
Modified radical neck dissection preserves accessory nerve function better than lateral neck dissection. Electrophysiological analysis shows improved outcomes with modified radical neck dissection, highlighting technique impact on nerve integrity.
Area of Science:
- Neurosurgery
- Oncology
- Electrophysiology
Background:
- Accessory nerve injury is a risk in neck dissections.
- Understanding electrophysiological changes aids in evaluating surgical techniques.
- Laryngeal carcinoma treatment often involves neck dissection.
Purpose of the Study:
- To assess accessory nerve function electrophysiologically.
- To compare outcomes between lateral neck dissection and modified radical neck dissection.
- To correlate dissection technique with nerve function post-surgery.
Main Methods:
- Prospective study of 20 laryngeal carcinoma patients.
- Electrophysiological analysis (distal latencies, CMAPs, EMG) pre- and post-surgery.
- Comparison of lateral neck dissection (12 patients) and modified radical neck dissection (8 patients).
Main Results:
- Both techniques showed reduced compound muscle action potentials (CMAPs).
- Lateral neck dissection group had worse CMAP and EMG findings.
- Modified radical neck dissection showed statistically longer latencies but better overall nerve function recovery.
Conclusions:
- Modified radical neck dissection offers better accessory nerve function preservation.
- Surgical technique, specifically sternocleidomastoid muscle retraction, impacts nerve stress.
- Electrophysiological monitoring is crucial for assessing nerve outcomes after neck dissection.