PMC6389478_01
Computed tomographic sagittal view demonstrating contrast medium accumulation in left piriform sinus
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The latter showed accumulation of contrast medium in the superior part of the piriform sinus on the left side (Figure 2).
Endoscopic view of the left piriform sinus with sinus/fistula opening ( )
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The findings were discussed with the patient and she consented to direct laryngoscopy, during which a fistula in the apex of the left sinus piriformis was detected (Figure 3).
Intraoperative cervicotomy situs with fistula (circle), thyroid cartilage (*), and left thyroid lobe ( )
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After resection of the inferior cornu of the thyroid cartilage, the fistula tract could be identified (Figure 4).