keratotomy — a refractive surgical procedure to correct myopia Sphincterotomy — Treating mucosal fissures from the anal canal/sphincter Thoracotomy — Incision into the pleural space of the chest Thyrotomy — Incision of the larynx through the thyroid cartilage Tracheotomy — An incision on the anterior aspect of the neck and opening a direct airway through an incision in the trachea (windpipe) Trans-orbital lobotomy — Cutting or scraping away most of the connections to and from the prefrontal cortex, the anterior part of the frontal lobes of the brain Other -otomies Dichotomy False dichotomy Ousterhout's dichotomy Trichotomy Trichotomy property See also List of surgical procedures List of -ectomies List of -otomies List of -ostomies References Science-related lists Surgical procedures and techniques