Legend Left – Sagittal T1WI shows an oval and well-defined lesion in the base of the tongue that bulges into the vallecular space and displaces the epiglottis posteriorly. Middle – Sagittal T2WI shows the very bright content of the lesion. Right - Axial T2WI defines the paramidline location of the lesion. Key words: tumor neoplasia mri oral cavity

ENT Diagnosis: Thyroglossal duct cyst vs. Vallecular cyst