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Acute suppurative thyroiditis secondary to piriform sinus fistula: a case report
1Department of Radiology, Hospital Santiago Apostol, Vitoria-Gasteiz, Spain.
European Journal of Radiology
|February 6, 1999
Summary
Acute suppurative thyroiditis (AST) can be linked to a rare piriform sinus fistula. Identifying this fistula via barium contrast imaging is crucial for preventing recurrent AST episodes.
Area of Science:
- Otolaryngology
- Endocrinology
- Radiology
Background:
- Acute suppurative thyroiditis (AST) is a rare thyroid infection.
- Piriform sinus fistula is a congenital abnormality linked to recurrent neck infections.
Observation:
- A case of AST associated with a piriform sinus fistula is presented.
- Ultrasound revealed a hypoechogenic perithyroid mass.
- CT scan showed a perithyroid hypodense mass with intrathyroidal extension.
Findings:
- Clinical and radiological findings suggestive of AST necessitate ruling out piriform sinus fistula.
- Barium contrast study is essential for diagnosing piriform sinus fistula.
- Piriform sinus fistula is directly associated with recurrent AST episodes.
Implications:
- Early diagnosis of piriform sinus fistula is critical in managing recurrent AST.
- Surgical excision of piriform sinus fistula is required to prevent recurrent infections.
- This case highlights the importance of a comprehensive diagnostic approach for thyroiditis.
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