- Asymptomatic Pyriform Sinus Tract Easily Mistaken for Thyroid Nodule
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Hwang YA, Kwak JY, Shin DY
- KMID: 2555144
- Clin Ultrasound.
- 2022 May;7(1):37-40.
- doi: 10.18525/cu.2022.7.1.37
A pyriform sinus tract/fistula is a rare clinical condition where remnants of the third or fourth pharyngeal pouches extend into the pyriform sinus, forming an internal tract. Common initial presentations... -
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