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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 3. — Benign lymphoid hyperplasia. (a,b) Nasopharyngeal lymphoid hyperplasia in a 41-year-old male smoker. (a) Axial T2-weighted MRI shows symmetrical mucosal thickening in the roof of the nasopharynx. (b) Axial T1-weighted, post-contrast MRI demonstrates a vertical stripe-like enhancing pattern (bright and dark). Tiny, non-enhancing cysts are also noted within the lymphoid tissue. (c) Focal adenoid tonsillar hyperplasia in an adolescent as demonstrated on axial T2-weighted MRI. (d,e) Oropharyngeal lymphoid hyperplasia. A 32-year old female presented with persistently enlarged, bilateral upper cervical lymph nodes. Axial T2-weighted STIR MR images show diffuse, symmetrical enlargement of both the (d) palatine and (e) lingual tonsils.