1. Plural of mastoidectomy; surgical procedures in which the mastoid bone (part of the skull behind the ear) is partially or completely removed, typically to treat infection or disease.
Usage: Medical/surgical term; Plural form

Examples

• The surgeon performed several mastoidectomies to treat chronic ear infections in pediatric patients.
• Mastoidectomies are less common today due to advances in antibiotic therapy.
• The hospital's ENT department documented five mastoidectomies performed last month.
• Complications from mastoidectomies can include hearing loss and facial nerve damage if not carefully executed.