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. 2023 Jul 26;96(1149):20230046. doi: 10.1259/bjr.20230046

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© 2023 The Authors. Published by the British Institute of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 Unported License http://creativecommons.org/licenses/by-nc/4.0/, which permits unrestricted non-commercial reuse, provided the original author and source are credited.

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Figure 2. — Pharyngeal cysts. (a-c) Tornwaldt cyst. (a) Axial T1-weighted TSE MRI shows a well-circumscribed, round, hypointense lesion in the posterior nasopharyngeal midline; (b) Axial T2-weighted TSE MRI shows homogeneous central hyperintensity; (c) Axial T1-weighted, fat suppressed, post-contrast MRI shows no enhancement within the lesion.(d) Nasopharyngeal mucous retention cyst. Axial T2-weighted TSE MRI shows a hyperintense cyst in the left fossa of Rosenmüller. (e) Tonsillar cyst. Axial STIR MRI shows an incidental small right palatine tonsillar retention cyst. (f) Vallecular cyst. A 60-year-old male presented with globus sensation and throat irritation for three weeks. Axial STIR MRI shows a large, well-defined cyst which expands the left vallecula and abuts the epiglottis.