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Keimyung Medical Journal 2015;34(1):59-63.
Published online June 30, 2015.
A Case of Piriform Sinus Fistula Complicated with Suppurative Thyroiditis Treated with Chemocauterization Using Trichloroacetic Acid.
Kyung Lae Son, So Young Shin, Ye Jee Shim, Heung Sik Kim, Hee Jung Lee, Chang Ki Yeo
1Department of Pediatrics, Keimyung University School of Medicine, Daegu, Korea.
2Department of Radiology, Keimyung University School of Medicine, Daegu, Korea.
3Department of Otorhinolaryngology, Keimyung University School of Medicine, Daegu, Korea.
A 23 months-old girl visited the hospital because of fever and left neck mass. She was diagnosed as acute suppurative thyroiditis with piriform sinus fistula. Thyroid sonography showed perithyroidal abscess formation and thyroid scan showed decreased uptake of Tc-99m pertechnate of both thyroid glands. Magnetic resonance imaging of neck showed abscess cavity extending to the swollen left thyroid gland. And there was tiny fistula between thyroid and piriform sinus in the barium esophagogram. Streptococcus gordonii was isolated on needle aspiration culture. We report a case of piriform sinus fistula of the neck complicated with suppurative thyroiditis. The fistula was treated with chemocauterization using trichloroacetic acid.
Key Words: Chemocauterization, Piriform sinus fistula, Suppurative thyroiditis
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