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. 2022 Sep 1;14:147–160. doi: 10.2147/OARRR.S284763

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© 2022 Lorenzon et al.

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Submandibular gland with several confluent hypoechoic areas (arrows) (A) and a large hypoechoic lesion (arrow). (B) Following a CNB, the diagnosis was IgG4 disease.