PMC9664394_01
Axial (A), coronal (B) and sagittal (C) images from extracranial CT angiography, shows a incidentally detected 1.0 cm x 1.0 cm x 1.2 cm homogeneously enhancing mass at the base of the tongue (arrow). No thyroid tissue was visible on either side at the level of the thyroid cartilage (shown in Fig. 2). Findings were compatible with ectopic lingual thyroid.
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However, incidentally, a 1.0 cm x 1.0 cm x 1.2 cm homogeneously enhancing mass at the base of the tongue was noted, on arterial phase of the examination (Fig. 1).
Axial (A), and coronal (B) images from extracranial CT angiography, shows no evidence normal thyroid gland in its normal position.
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No thyroid tissue was visible on either side at the level of the thyroid cartilage (Fig. 2).