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Dangerous problems can arise during the induction of general anesthesia in patients with huge vocal process granuloma, due to airway obstruction [1]. A 54 year-old female patient was referred to our institution from a local clinic due to persistent hoarseness and severe dyspnea, over the last 3 months after subtotal gastrectomy with a diagnosis of a postintubation granuloma. She was scheduled for a laryngomicroscopic surgery under general anesthesia. We decided to use direct larygoscope for endotracheal intubation with patient's cooperation. She was kept awake with conscious sedation during intubation with remifentanil 0.1 µg/kg/min IV. The topical anesthesia with two to three sprays of aerosolized 10% xylocaine was performed onto the backside of the tongue, the soft palate, the pharynx and the larynx in the oral cavity. This was followed by an injection of 2 ml of 2% lidocaine to block the lingual branch of the superior laryngeal nerves. Direct laryngoscope was applied. We confirmed there was space on the left side on the vocal cord during patient's deep expiration, and the granuloma was not fixed. An assistant put aside the granuloma in the space to the right by the suction tip. An anesthesiologist inserted an endotracheal tube with an inner diameter of 5.0 mm into which a stylet was inserted during patient's deep expiration. The tube was carefully inserted not to cut off the mass into the trachea (Fig. 1). No fragments of damaged tissue were found. After successful intubation, propofol 120 mg and rocuronium 30 mg were injected intravenously, and anesthesia was maintained with sevoflurane 2 vol% and remifentanil 0.1-0.2 µg/kg/min. Dexamethasone 10 mg was administered to prevent postoperative laryngeal edema. Surgeon performed a laryngomicroscopic excision for granuloma mass, which continued for 15 min.

Anesthetic considerations in patients with large obstructing vocal process granuloma