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MRI evaluation. (a-b) Axial T2-weighted MRI image (TSE, 4000/80 [TR/TE]) and T2-weighted fat saturated (SPIR 3640/70/200 [TR/TE/TI]) show a well-defined hyperintense mass which determinates bulging of the pharyngeal wall; (c) axial T1-weighted image (265/7.5 [TR/TE]) showed an isointense mass compared to the muscle signal intensity; (d) axial T1-weighted image after gadolinium injection evidences an intense and inhomogeneous contrast enhancement of the mass.
