Otorhinolaryngology focuses on the ear, nose, and throat. Learn about the diagnosis and treatment of hearing loss, sinusitis, tonsillitis, and voice disorders.
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Once the diagnosis is confirmed and the cancer is staged, the treatment plan is finalized. For patients with cancer in the neck lymph nodes, or a high risk of it being there, neck dissection is the primary surgical treatment. However, “neck dissection” is a broad term. There isn’t just one way to do it. The surgery is highly customizable.
Surgeons tailor the operation to the individual patient. They balance the need to remove every trace of cancer with the desire to preserve as much function and appearance as possible. This section explains the different types of neck dissection, what happens in the operating room, and how this surgery fits into the broader cancer treatment plan.
This is the traditional form of the surgery, first developed over a century ago. Even though it is less common today, it remains necessary in cases where the cancer has advanced and infiltrated the neck’s muscles and nerves.
In a radical neck dissection, the surgeon removes all the lymph nodes from levels I through V. This covers the entire side of the neck. Crucially, three additional non-lymphatic structures are also removed: the internal jugular vein (a major blood vessel), the sternocleidomastoid muscle (the large muscle that runs diagonally across the neck), and the spinal accessory nerve (which controls shoulder movement).
It sounds aggressive, and it is. However, if the cancer has grown into these structures, they cannot be saved safely. Leaving them behind would mean leaving cancer. While this surgery changes the contour of the neck and affects shoulder lifting, it is a lifesaving procedure designed to gain control over extensive disease.
This is the most common comprehensive surgery performed today. It was developed to reduce the side effects of the radical dissection while still clearing the cancer effectively.
In a “modified” radical neck dissection, the surgeon still removes all the lymph nodes in the risk zones. However, they spare one or more of the important non-lymphatic structures. For example, they might save the shoulder nerve but remove the vein, or save the nerve and the muscle. The goal is to preserve function. Saving the spinal accessory nerve is the highest priority because it allows the patient to lift their arm and move their shoulder normally after recovery. This approach offers the best balance of cancer control and quality of life for many patients.
On the day of surgery, the patient is placed under general anesthesia. They are completely asleep and feel no pain. The surgical team prepares the neck with sterile cleaning solution.
The surgeon makes an incision in the skin of the neck. In the past, this was a large cut shaped like a ‘Y’ or a ‘hockey stick.’ Today, surgeons often use a single horizontal incision that can be hidden in a natural skin crease. This type of cut type of cut improves the cosmetic result significantly. Through this opening, the surgeon lifts the skin and muscle to reveal the underlying tissues.
Using delicate instruments, the surgeon dissects the fatty tissue containing the lymph nodes away from the veins, arteries, and nerves. It is meticulous work. They find the important structures that need to be protected and then carefully pull away the tissue that needs to be removed. The removed tissue is sent to the lab for analysis. Once the neck is cleared, the surgeon places a drain—a small plastic tube—to collect any fluid that builds up and then stitches the skin closed.
Occasionally, a neck dissection is combined with the removal of a primary tumor in the mouth or throat. If a large amount of tissue is removed, simple stitching is not enough. The patient may need reconstruction.
Plastic surgeons may use a “flap” to rebuild the area. This involves moving muscle and skin from the forearm, thigh, or chest to the neck or mouth. This healthy tissue fills the gap left by the cancer surgery. It covers vital blood vessels and provides a new lining for the mouth or throat. This task adds time and complexity to the surgery but is essential for restoring the ability to swallow and speak.
Surgery is often just the first step. After the operation, a pathologist examines every lymph node under a microscope. If they find cancer in many nodes, or if the cancer has broken through the capsule of the node (extracapsular spread), further treatment is needed.
This usually involves radiation therapy—high-energy beams aimed at the neck to kill any microscopic cells left behind. In high-risk cases, chemotherapy is added to the radiation to make it more effective. This “adjuvant” therapy acts as an insurance policy, significantly lowering the chance of the cancer coming back. The decision for additional treatment is usually made a few weeks after surgery once the full pathology report is available.
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A neck dissection alone typically takes 2 to 4 hours. However, if it is combined with tumor removal and reconstruction, the surgery can last 8 to 12 hours or more.
Patients who have complex surgeries with reconstruction often spend the first night in the Intensive Care Unit (ICU) for close monitoring. Patients with simpler procedures may go to a regular recovery ward.
The incision is made on the skin of the neck. The surgeon does not cut into the windpipe or throat from the outside unless a tracheostomy (breathing tube) is specifically needed, which is a separate procedure.
The drain is a small tube that comes out of the skin near the incision. It prevents blood and lymphatic fluid from building up under the skin, which could cause infection or slow down healing.
Yes, if the cancer is in the center of the throat or tongue, it can spread to both sides. In these cases, a bilateral neck dissection (both sides) is performed during the same operation.
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