Unilateral Tonsillectomy: Why Only One Side? - Otolaryngology

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Regarding the removal of the tonsils, only one side is removed..?


Hello Dr.
Cheng, I previously visited you for my ongoing issue with chronic tonsillitis.
During my last appointment, you prescribed Amoxicillin 500 mg, Ibuprofen 400 mg, and an expectorant.
After completing the two-week course, the inflammation returns as soon as I stop taking the medication.
The symptoms consistently involve inflammation and pain in the left tonsil, which radiates to my ear.
The left tonsil is also more swollen, causing difficulty swallowing and a feeling of nausea.
In the past year, I have seen doctors for tonsillitis at least 20 times.
I previously had a vocal cord cyst surgically removed at Linkou Chang Gung Memorial Hospital.
Today, I visited Chang Gung again, and the doctor provided me with a bottle of mouthwash and a prescription for Pilocarpine to treat dry mouth.
I seem to be experiencing chronic dry mouth, and I wonder if it is related to long-term use of antibiotics and anti-inflammatory medications.
After discussing my situation, we concluded that medication only addresses the symptoms, and I ultimately decided to proceed with surgery.
However, I noticed that the surgical documentation states that only the left tonsil will be removed.
I have not seen any information online about unilateral tonsillectomy.
What is the reasoning behind this? It seems strange to leave one tonsil intact, doesn't it?

Lin Hsin-Hung, 20~29 year old female. Ask Date: 2015/12/28

Dr. Zheng Jueyi reply Otolaryngology


Hello: Generally, snoring or chronic tonsillitis is often associated with bilateral tonsillar enlargement, so surgery typically involves the removal of both tonsils.
However, if there is only suspicion of an abnormality in one tonsil, it is possible to remove just the unilateral tonsil.
If there are concerns that the other side may also develop issues in the future, you can discuss with your physician whether to proceed with a bilateral tonsillectomy or just manage the unilateral condition.
Wishing you safety and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2015/12/28

More Info


Unilateral tonsillectomy, or the surgical removal of one tonsil, is a procedure that may seem unusual at first glance, especially when most people are familiar with the concept of a bilateral tonsillectomy, where both tonsils are removed. However, there are several valid medical reasons for performing a unilateral tonsillectomy, particularly in cases of chronic tonsillitis or other localized issues affecting one tonsil.

In your case, it appears that you have been suffering from recurrent inflammation of the left tonsil, which has led to significant discomfort, including ear pain and difficulty swallowing. This chronic condition can be quite debilitating, and when conservative treatments such as antibiotics and anti-inflammatory medications fail to provide relief, surgical intervention becomes a reasonable option.
The decision to remove only the left tonsil likely stems from the specific nature of your symptoms. If one tonsil is persistently inflamed and causing complications, such as pain radiating to the ear or swallowing difficulties, it may be more beneficial to remove just that tonsil rather than both. This approach can help alleviate the symptoms associated with the problematic tonsil while preserving the other tonsil, which may still function normally and provide some level of immune protection.

There are several reasons why a surgeon might opt for unilateral tonsillectomy:
1. Localized Infection or Disease: If one tonsil is significantly more affected than the other, as in your case, the surgeon may determine that removing the problematic tonsil is sufficient to resolve the issue. This is particularly true if the other tonsil is healthy and not contributing to the patient's symptoms.

2. Preservation of Immune Function: Tonsils play a role in the immune system, particularly in young individuals. By leaving one tonsil intact, the body retains some immune function, which can be beneficial, especially in children.

3. Reduced Surgical Risks: A unilateral procedure generally involves less surgical trauma and a shorter recovery time compared to a bilateral tonsillectomy. This can be particularly important for patients who may have other health concerns or who are at higher risk for complications.

4. Patient-Specific Factors: Each patient's medical history and specific symptoms are unique. The decision to perform a unilateral tonsillectomy may be influenced by factors such as the patient's age, overall health, and the severity of symptoms.

In your situation, the ongoing issues with the left tonsil, including recurrent infections and the associated pain, justified the decision for a unilateral tonsillectomy. It is understandable to have concerns about leaving one tonsil in place, especially if you have not encountered this scenario before. However, it is important to trust that your healthcare provider has made this decision based on a thorough evaluation of your condition and the potential benefits of the surgery.

Post-surgery, it will be crucial to monitor your recovery and follow any post-operative care instructions provided by your surgeon. This may include pain management, hydration, and avoiding irritants that could exacerbate your throat discomfort. If you experience any unusual symptoms or complications during your recovery, do not hesitate to reach out to your healthcare provider for guidance.

In conclusion, unilateral tonsillectomy is a valid and often necessary surgical option for patients with chronic issues affecting one tonsil. It allows for targeted treatment while minimizing the risks associated with more extensive surgery. Your healthcare provider's decision to proceed with this approach reflects a tailored strategy to address your specific health needs.

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