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What is the main imaging method of the evaluation of the thyroglossal duct cysts?
Neck ultrosound
What is the differential diagnosis of the midline neck cystic lesions?
thyroglossal duct cyst, thyroid cyst, thyroid neoplasm, multinodular goitre, laryngocoele, ranula, epidermoid cyst, cystic hygroma/lymphangioma, haemangioma/vascular malformation
There is a thin-walled round cystic, well-circumscribed lesion at the middle of the neck, attached to the body of the hyoid bone, sized 26 x 14 x 18 mm. The signal is low at T1-weighted and high at the T2-weighted sequences. No prefixal edema and/or infiltration found.