Some of the anomalies of the internal carotid artery can determine a bulge of the posterior pharyngeal wall. Because of the submucous position of the carotid artery at this level, such anomalies can constitute a risk factor for serious hemorrhage in routine surgical procedures that have become outpatient procedures and are often performed by inexperienced surgeons. The three-dimensional time-of-flight magnetic resonance angiogram together with Doppler ultrasonography were shown to be the most accurate imaging techniques to evaluate these anomalies.

Angioleiomyoma is a benign smooth muscle and vessel tumor; laryngeal localization is extremely rare with only 24 cases described in the literature; moreover, it should be considered in the differential diagnosis of laryngeal mass. Endoscopic complete surgical excision with dissection along capsule is now considered the gold-standard treatment for small and well-circumscribed laryngeal angioleiomyoma. We present a case of laryngeal angioleiomyoma successfully treated with carbon dioxide laser technology which resulted in a bleeding reduction and adequate hemostasis with less tissue damage and good functional outcome.

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