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Case ReportCase Report

The Emerging Echogenic Tract Sign of Pyriform Sinus Fistula: An Early Indicator in the Recovery Stage of Acute Suppurative Thyroiditis

N.H. Park, H.J. Park, C.S. Park, M.S. Kim and S.I. Park
American Journal of Neuroradiology March 2011, 32 (3) E44-E46; DOI: https://doi.org/10.3174/ajnr.A2015
N.H. Park
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H.J. Park
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C.S. Park
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M.S. Kim
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S.I. Park
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    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.

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    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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American Journal of Neuroradiology: 32 (3)
American Journal of Neuroradiology
Vol. 32, Issue 3
1 Mar 2011
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Cite this article
N.H. Park, H.J. Park, C.S. Park, M.S. Kim, S.I. Park
The Emerging Echogenic Tract Sign of Pyriform Sinus Fistula: An Early Indicator in the Recovery Stage of Acute Suppurative Thyroiditis
American Journal of Neuroradiology Mar 2011, 32 (3) E44-E46; DOI: 10.3174/ajnr.A2015

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The Emerging Echogenic Tract Sign of Pyriform Sinus Fistula: An Early Indicator in the Recovery Stage of Acute Suppurative Thyroiditis
N.H. Park, H.J. Park, C.S. Park, M.S. Kim, S.I. Park
American Journal of Neuroradiology Mar 2011, 32 (3) E44-E46; DOI: 10.3174/ajnr.A2015
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This article has been cited by the following articles in journals that are participating in Crossref Cited-by Linking.

  • The treatment of congenital pyriform sinus fistula: a single-center experience
    Liguang Xia, Zhengxiu Lin, Xiaokun Lin, Yongbiao Wang, Libin Zhu, Jinhan Lin, Yiming Zhao, Zhongrong Li
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    Seminars in Ultrasound, CT and MRI 2012 33 2
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    World Journal of Emergency Medicine 2019 10 4
  • Thyroid Ultrasound and Ultrasound-Guided FNA
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    Vinay T. Fernandes, Lisa A. Orloff
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