Lingual thyroid gland

Case contributed by Binyam Tadesse Regassa
Diagnosis almost certain

Presentation

A swollen solid mass at the base of the tongue since birth.

Patient Data

Age: 15 years
Gender: Female
ct
Sagittal
Topogram
This study is a stack
Sagittal
non-contrast
This study is a stack
Axial
non-contrast
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Info

A 1.9 x 1.9 x 1.8 cm abnormal precontrast hyperdense ectopically located thyroid tissue at the base of the tongue. No presence of thyroid tissue at paratracheal region of normal thyroid bed.

Case Discussion

A rare congenital anomaly which occurs due to an arrest of caudal migration of thyroid gland from foramen cecum to thyroid bed. It has female predilection. Its most common location is the base of the tongue.

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