modified radical neck dissection


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modified radical neck dissection

A spectrum of head and neck surgeries performed on a person requiring excision of tissue involved by cancer, usually squamous cell carcinoma. The classic modified radical neck dissection consists of removing all lymph nodes in the neck, as in a radical neck dissection, while preserving the spinal accessory nerve. Other modified radical neck dissections preserve other non-lymphatic structures, such as the spinal accessory nerve, internal jugular vein and sternocleidomastoid muscle.
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The major morbidity associated with modified radical neck dissection and selective neck dissection is "shoulder syndrome," which is caused by surgical trauma to the SAN.
We conducted a study to (1) determine the feasibility of electrophysiologic monitoring of the SAN during modified radical neck dissection, (2) determine whether a threshold increase in current is required to stimulate the SAN by comparing the amount of current on initial identification of the SAN and the amount of current after completion of the dissection prior to closure, and (3) determine whether clinical outcome measures of shoulder syndrome are affected by a threshold increase.
She underwent an uneventful left superficial parotidectomy with preservation of the VIIth cranial nerve and a left modified radical neck dissection.
After a thorough discussion of the findings, our patient underwent a modified radical neck dissection and hemimandibulectomy as described later in this report.
Our patient underwent a modified radical neck dissection and hemimandibulectomy, including reconstruction with a free fibula graft, which provided an excellent functional and cosmetic result.
6] Moreover, Remmler et al found that modified radical neck dissection caused less shoulder dysfunction than did radical neck dissection.
In all, 41 neck dissections were performed on 32 group A patients; of these, 36 (88%) were modified radical neck dissections, 4 (10%) were selective neck dissections, and 1 (2%) was a radical neck dissection.
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