Fig. 1. Pre-operative axial (A) and sagittal (B) plane of cervical ultrasonography showing a 1.4×1.0 cm-sized nodule suspected of Zenker’s diverticulum with a halo, and heterogeneous internal echogenicity with posterior acoustic shadowing.

Int J Thyroidol 2022;15:135-9 https://doi.org/10.11106/ijt.2022.15.2.135

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