Fig. 2From: Follicular adenoma with a papillary architecture originating from an ectopic thyroid gland: a case reportComputed tomography image of the neck. A Well-defined mass is located behind the left submandibular gland (white arrow). Without iodine contrast, the mass was mostly hyperdense and had low density. B The mass was hardly enhanced by the iodine contrast. C Thyroid gland positionBack to article page