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Mastoidectomy

Mastoidectomy, a term that may not be widely recognized outside medical circles, refers to a specialized surgical procedure for severe ear-related issues that have proven resistant to more conservative treatments. This page aims to describe the procedure, who it benefits, and what can be expected before, during, and after the surgery.

What is a Mastoidectomy?

The mastoid bone, located behind the ear, is part of the temporal bone and plays a significant role in our ear's anatomy and function. When infections in the ear extend into this area, a mastoidectomy may become necessary. This surgical intervention is not only about treating current infections but also about preventing future complications related to hearing and balance.


A mastoidectomy is a surgical procedure that involves removing all or a part of the mastoid bone, which is located behind the ear. This procedure is usually performed to treat chronic or severe infections of the middle ear, mastoiditis, or to remove tumors or abnormal growths in the area.

Why is a Mastoidectomy Performed?

There are several reasons why a mastoidectomy may be recommended by an ear specialist or otolaryngologist. The most common reasons include:


  1. Chronic Otitis Media: Mastoidectomy is often performed to treat chronic otitis media, an infection of the middle ear that persists or recurs despite medical treatment. This condition can lead to the formation of cholesteatoma, which is an abnormal growth of skin cells that can cause damage to the middle ear and mastoid bone.
  2. Mastoiditis: When an infection spreads from the middle ear to the mastoid bone, it can lead to mastoiditis. Mastoiditis causes inflammation, pain, and swelling behind the ear, and if left untreated, it can result in serious complications. Mastoidectomy is performed to remove infected tissue and prevent the spread of infection.
  3. Tumors or Abnormal Growth: In some cases, tumors or abnormal growths may develop within the mastoid bone. A mastoidectomy can be performed to remove these growths and prevent further damage or complications.

How is a Mastoidectomy Performed?

During a mastoidectomy, a small incision is made behind the ear, allowing the surgeon to access and remove any infected or abnormal tissue. The mastoid bone is then carefully drilled, creating a cavity that provides space for drainage and healing.

This procedure is often used for more complex cases or when the infection has spread extensively. It provides the surgeon with better visibility and control during the procedure, allowing for thorough removal of diseased tissue and reconstruction if necessary.



Before undergoing a mastoidectomy, patients will typically undergo a thorough evaluation, including imaging tests such as CT scans or MRI scans. These tests provide detailed information about the extent of the infection or abnormal growth.

The surgery typically involves several key steps to effectively treat conditions of the mastoid bone and middle ear. Here is a step-by-step breakdown of the surgery:

 

  1. Anesthesia: The patient is given general anesthesia to ensure they are comfortable and pain-free during the operation.
  2. Incision: An incision is made behind the ear to access the mastoid bone and ear canal.
  3. Exposure: The surgeon carefully removes the skin and soft tissues to gain access to the mastoid bone and middle ear.
  4. Mastoidectomy: Using specialized instruments, the surgeon removes any infected or abnormal tissue from the mastoid bone. The bony cell labyrinth is drilled away to make an opening in the mastoid cavity. When necessary, bone chips or grafts may be used for reconstruction.
  5. Closure: The incision behind the ear is closed with sutures and a head wrap is placed to apply pressure to the wound. 

Recovery and Post-Operative Care

After a mastoidectomy, patients may either go home the same day or stay in the hospital for a day or two for close monitoring. Following discharge, specific post-operative care instructions will be provided by the medical team. This may include taking prescribed medications, keeping the surgical site clean and dry, and avoiding activities that could put pressure on the ear.



Patients should expect some discomfort and swelling in the area following surgery. However, with proper care and follow-up appointments with their surgeon, most people can expect a successful recovery and improvement in their ear condition.

Conclusion

A mastoidectomy is a surgical procedure performed to address various ear conditions involving infection, abnormal growths, or damage within the mastoid bone. By removing infected or damaged tissue, this procedure aims to alleviate symptoms, prevent complications, and restore ear health.



If you believe you may require a mastoidectomy or have concerns about your ear health, consult with an experienced ENT or ear specialist who can provide a comprehensive evaluation and recommend appropriate treatment options. Remember, early intervention can help prevent further complications.

Medical Reviewer

Last Review Date: October 2024

Content Reviewer:

  • Dr. Thomas Higgins, MD, MSPH
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