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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When chronic sinusitis persists despite maximum medical therapy, Functional Endoscopic Sinus Surgery (FESS) becomes the primary treatment option. However, “sinus surgery” is not a single, identical procedure for every person. It is a highly customizable operation. The extent of the surgery depends entirely on which sinuses are blocked and the severity of the disease. A patient with mild blockage in the cheek sinuses will have a much shorter and simpler procedure than a patient with massive polyps filling all sinus cavities.
Modern sinus surgery is often a combination of several techniques performed in one session. To achieve the most air flow, the surgeon might work on the sinuses, the nasal septum, and the turbinates (nasal filters) all at once. The goal is always the same: to create a nose that functions properly, allowing air to flow in and mucus to drain out without obstruction. This section details the specific steps of the surgery, the advanced technology used to ensure safety, and the various complementary procedures that may be included in the surgical plan.
The surgery is performed in a hospital or surgical center. Once the patient is under general anesthesia, the surgeon begins the procedure entirely through the nostrils. There are no external cuts. The surgeon inserts the endoscope to visualize the interior of the nose on a high-definition monitor.
Before starting, the surgeon places local anesthetic and decongestant-soaked pads into the nose. This constricts the blood vessels, reducing bleeding and providing a clear view. The patient is asleep and feels nothing. The anesthesiologist ensures the patient remains perfectly still. This stillness is critical because the surgeon is working millimeters away from the eyes and brain.
Using specialized instruments, the surgeon systematically addresses the blocked areas. The first step is usually to remove the uncinate process, a thin, hook-shaped bone that often blocks the drainage of the maxillary (cheek) and frontal (forehead) sinuses. Removing this bone exposes the natural openings. The surgeon then uses “biters” (small punch tools) or “shavers” to widen these openings. The goal is to make the openings large enough so they won’t swell shut during a future cold. If the ethmoid sinuses (between the eyes) are blocked, the surgeon opens the honeycomb-like air cells, turning multiple small, blocked rooms into one large, open cavity that drains easily.
For complex cases, or when patients have had previous surgeries that altered their anatomy, surgeons use Image Guidance Systems (IGS). This technology acts like a GPS for the nose. The patient undergoes a special CT scan before surgery. During the operation, sensors are placed on the patient’s head.
When the surgeon places an instrument inside the nose, its position is tracked in real-time on a computer screen, superimposed over the patient’s CT scan. This allows the surgeon to know exactly where their instrument is within a millimeter of accuracy. It helps them clean out disease in hard-to-reach places without putting themselves in danger, like the optic nerve or the base of the skull. This technology has significantly improved the safety and thoroughness of FESS.
Sinus surgery is rarely done in isolation. The surgeon often fixes other airflow problems at the same time. The inferior turbinates are long, sausage-like structures on the side walls of the nose. They warm and humidify air. In patients with chronic allergies or inflammation, these turbinates often become permanently enlarged, blocking the airway.
One common method to shrink them is radiofrequency ablation. The surgeon inserts a small probe into the turbinate that delivers radio energy. The procedure creates a controlled scar inside the tissue, causing it to shrink over the following weeks. It preserves the outer lining of the turbinate so it can still function.
In more severe cases, a microdebrider is used to physically remove some of the bulky tissue from the inside of the turbinate. By reducing the size of these structures, the surgeon creates more physical space for air to pass through, significantly improving the sensation of clear breathing.
A deviated septum is a very common companion to chronic sinusitis. If the wall dividing the nose is crooked, it can block access to the sinuses and restrict airflow on one side. A septoplasty is almost always performed alongside FESS if the deviation is significant.
During septoplasty, the surgeon makes a small incision in the lining of the septum. They lift the lining up and remove or reshape the crooked cartilage and bone underneath. They then lay the lining back down. Straightening the septum ensures that both sides of the nose work equally well and gives the surgeon the room they need to reach the sinuses with their instruments. This adds functional value to the sinus surgery, treating both the infection source and the airflow blockage.
Some patients may be candidates for a less invasive variation called balloon sinuplasty. Instead of cutting or removing bone and tissue, this technique uses a small, high-pressure balloon. A guide wire is inserted into the blocked sinus opening, and a balloon catheter is slid over it.
Once positioned in the narrowed opening, the balloon is inflated. This gently fractures the thin eggshell bone of the opening and compresses the swollen tissue, permanently widening the doorway. The balloon is then deflated and removed. This procedure causes less bleeding and has a faster recovery than traditional FESS. However, it is not for everyone. It works best for patients with simple blockages and is generally not effective for patients with nasal polyps or massive ethmoid disease, who require the tissue removal of standard FESS.
For patients with nasal polyps, the surgery involves a “polypectomy.” The primary tool for this is the microdebrider. This device is a powered instrument with a hollow, rotating tip that uses suction. The microdebrider pulls the soft polyp tissue into its hollow tip, shaves it away, and instantly suctions it out of the nose.
The microdebrider is incredibly precise. It allows the surgeon to shave away the polyps layer by layer without grabbing or tearing the underlying healthy tissue. Removing the polyps physically clears the obstruction. More importantly, it creates a wide-open cavity. This procedure allows postoperative steroid rinses to reach the actual lining of the sinus, which is essential for preventing the polyps from growing back. Without surgery, sprays just hit the surface of the polyp and never treat the root of the inflammation.
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No. FESS and septoplasty are internal procedures. They do not break the nasal bones that give your nose its external shape. Your appearance will remain exactly the same.
Balloon sinuplasty dilates the opening without removing tissue, similar to angioplasty for the heart. Regular FESS removes bone and tissue. The balloon is less invasive but cannot fix all types of sinus problems.
Most modern surgeons use dissolvable spacing material (like a gel) instead of the old-fashioned, painful gauze packing. You usually don’t have to have anything “pulled out” at the follow-up.
Yes. Polyps are caused by an underlying inflammatory condition, not just a structural one. Surgery clears them out, but you will need long-term medication (sprays/rinses) to keep them from returning.
You will be under general anesthesia, so you will be completely asleep and your muscles will be relaxed. You cannot sneeze, move, or feel anything during the procedure.
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