Article Figures & Data
Figures
- Fig 1.
Images of a 7-year-old girl with fever and painful neck swelling for 5 days. A, Initial US of the thyroid gland shows a heterogeneous hypoechoic inflammatory change of perithyroid soft tissue with invasion into the anterior portion of the left lobe of the thyroid gland. B, CT scan at the level of the thyroid gland reveals a heterogeneous low-attenuated inflammatory mass anterior to the left lobe of the thyroid gland with invasion into the thyroid gland, displacing the ipsilateral carotid sheath laterally. C, Follow-up US 5 days after initial US shows improvement of the inflammatory change of the perithyroid soft tissue and the left lobe of the thyroid gland. D, Subsequent barium esophagography shows no demonstrable pyriform sinus fistula. E and F, Follow-up US obtained 3 months after the initial US shows marked improvement of the inflammatory change and a newly developed echogenic tractlike lesion (arrow) in the left lobe of the thyroid gland, suggestive of an associated pyriform sinus fistula. G, Subsequent barium esophagography shows the pyriform sinus fistula (arrows) originating from its apex.
- Fig 2.
Images of a 7-year-old girl with a sore throat and neck pain for 3 days. A, US shows an ill-defined heterogeneous hypoechoic lesion in the left lobe of the thyroid gland (arrows) and inflammatory change of the overlying strap muscle. B, CT scan shows a heterogeneous low-attenuated inflammatory change (arrow) in the medial aspect of the left lobe of the thyroid gland and overlying soft tissue. Tracheal deviation is noted by the inflammatory mass. C and D, Follow-up US performed 6 days after the initial US examination shows improvement of inflammatory change and a newly developed echogenic tractlike lesion (arrows) in the left lobe of the thyroid gland. E, Subsequent barium esophagography shows a pyriform sinus fistula (arrows) originating from the apex of the pyriform sinus.
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