Mastoidectomy (Chronic Infection/Cholesteatoma)

Mastoidectomy

Mastoidectomy is a specialized surgical procedure performed to remove diseased air cells from the mastoid bone—the honeycomb-like bone located directly behind the ear. It is primarily used to treat a cholesteatoma, a non-cancerous skin cyst that can erode ear structures, or to clear severe, chronic infections that have not responded to intensive antibiotic therapy.

When You Should Consider Mastoidectomy

• Cholesteatoma: When a skin cyst forms in the middle ear and begins to expand into the mastoid bone, risking damage to the hearing bones or facial nerve.

• Chronic Mastoiditis: If a persistent ear infection spreads into the bone, causing pain, swelling, and a risk of deeper abscesses.

• Failed Antibiotic Therapy: When chronic drainage (otorrhea) continues despite multiple rounds of specialized ear drops and medications.

• Complicated Ear Infections: If an infection threatens to spread toward the brain (meningitis) or the inner ear (labyrinthitis).

• Aural Polyps: When chronic inflammation causes fleshy growths to form in the ear canal, often masking underlying bone disease.

How Is Performed

• Anesthesia: The surgery is performed under general anesthesia and typically takes between 2 to 4 hours due to the delicate nature of the structures involved.

• Incision: The surgeon makes a precise incision either behind the ear (post-auricular) or inside the ear canal to gain access to the bone.

• Bone Removal: Using a high-speed surgical drill and a high-powered operating microscope, the surgeon carefully opens the mastoid bone to reach the diseased air cells.

• Cleaning: All infected tissue or the cholesteatoma cyst is meticulously removed to create a "dry, safe ear" and prevent recurrence.

• Surgical Variations:
  Simple (Cortical) Mastoidectomy: Only the mastoid air cells are removed; the ear canal and middle ear structures remain intact.
  Modified Radical Mastoidectomy: The most common approach for cholesteatoma, where some middle ear structures are preserved to allow for future hearing reconstruction.
  Radical Mastoidectomy: The eardrum and most middle ear structures are removed to create a single "common cavity" for the ear canal and mastoid.

Pre-Procedure Preparation

• High-Resolution CT Scan: A vital "roadmap" used by the surgeon to visualize the exact anatomy of your mastoid bone and the location of the facial nerve.

• Audiometry (Hearing Test): Establishing a detailed baseline of your current hearing levels to plan for potential reconstruction.

• Infection Management: Using specialized ear drops in the weeks leading up to surgery to reduce inflammation and "quiet" the ear.

• Fasting: Following strict "nothing by mouth" instructions for the hours preceding general anesthesia.

• Transportation: Arranging for a ride home and a caregiver for the first 24 hours, as dizziness is common immediately following the procedure.

Tests Before Mastoidectomy

• Ear Swab/Culture: To identify the specific bacteria causing the infection and ensure the most effective antibiotics are used.

• Microscopic Ear Exam: A thorough cleaning and inspection of the ear canal by the specialist to assess the extent of the disease.

• Tympanometry: Measuring the pressure in the middle ear and the mobility of the eardrum.

• Neurological Screening: Checking the function of the facial nerve and balance system before the bone is opened.

Life After Mastoidectomy

• Hospital Stay: Most patients go home the same day or remain for one night of observation. A large "head bandage" is often worn for the first 24 hours.

• Immediate Symptoms: It is normal to feel dizzy, have a "stuffy" sensation, or hear popping and crackling sounds as internal packing dissolves.

• Water Protection: The ear must be kept completely dry for 4 to 6 weeks. Use a cotton ball with petroleum jelly during showers to prevent any moisture entry.

• Pressure Restrictions: Avoid blowing your nose, heavy lifting, or flying for at least 3 to 4 weeks to prevent internal pressure from damaging the healing area.

• Wound Care: External stitches are usually removed after 7 to 10 days. Follow-up appointments are critical to clean the "mastoid cavity" and monitor for regrowth.

Why Specialized Treatment Is Highly Effective

• Prevents Life-Threatening Complications: By removing deep-seated disease, the procedure stops infections from spreading to the brain or spinal fluid.

• Eliminates Chronic Drainage: Successfully clearing the mastoid air cells finally ends the cycle of foul-smelling ear discharge and pain.

• Safety-First Approach: Modern microsurgical techniques allow for the meticulous removal of cysts while protecting the delicate facial nerve and inner ear.

• Hearing Potential: While the primary goal is safety, a "safe ear" provides the necessary foundation for future hearing bone reconstruction (ossiculoplasty).

• Long-Term Stability: For many patients with chronic disease, a mastoidectomy is the only way to achieve a permanently dry and healthy ear.