CT Features of an Unusual Calcified Schwannoma of the Superior Laryngeal Nerve

Contrast-enhanced CT of the neck shows a 3-cm heterogeneous tumor located between the submandibular gland and the carotid space, with a single large calcification. Note the mass effect on the left greater cornua of the hyoid bone, typical of a slow-growing benign tumor. A, Axial view. B, Sagittal view.