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. 2022 May 3;158(7):343–344. doi: 10.1016/j.medcle.2021.06.018

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Fig. 1 — Sonographic appearance of post vaccine lymphadenopathies (red arrows). (A) Axillary lymphadenopathy UN5 with rounded morphology, marked cortical thickness and absence of fatty hilum. (B) Supraclavicular lymphadenopathy UN4 with rounded morphology, diffuse cortical thickness and scarce fatty hilum (red asterisk). (C) Axillary lymphadenopathy UN4 with rounded morphology, nodular cortical thickness and displaced fatty hilum (black asterisk). (D) Ultrasound-guided core needle biopsy (yellow arrow) of a malignant appearance axillary lymphadenopathy.