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Preoperative thyroid scanning in presumed thyroglossal duct cysts
E Pinczower1, D M Crockett, J B Atkinson
1Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle.
Archives of Otolaryngology--Head & Neck Surgery
|September 1, 1992
Summary
Preoperative thyroid scans are crucial for presumed thyroglossal duct cysts. Many physicians encounter ectopic thyroid, sometimes the only functioning thyroid tissue, highlighting the need for careful preoperative evaluation to prevent hypothyroidism.
Area of Science:
- Pediatric Surgery
- Otolaryngology
- Endocrinology
Background:
- Thyroglossal duct cysts are common congenital anomalies.
- Ectopic thyroid tissue can occur, posing surgical risks.
- The necessity of preoperative thyroid scans in evaluating these cysts is debated.
Purpose of the Study:
- To determine the essentiality of preoperative thyroid scans in the workup of presumed thyroglossal duct cysts.
- To assess the prevalence of ectopic thyroid encountered by pediatric surgeons and otolaryngologists.
- To evaluate current practices regarding preoperative imaging for thyroglossal duct cysts.
Main Methods:
- A questionnaire was distributed to pediatric otolaryngologists and pediatric general surgeons.
- The survey achieved a 65% response rate.
- Data on the incidence of ectopic thyroid and imaging practices were collected and analyzed.
Main Results:
- 57% of surveyed physicians reported encountering ectopic thyroid tissue.
- In 58% of these cases, ectopic thyroid was the only functioning thyroid tissue.
- Routine preoperative scan ordering varied: 28% of pediatric surgeons versus 65% of pediatric otolaryngologists.
Conclusions:
- Ectopic thyroid is a significant consideration in thyroglossal duct cyst evaluations.
- Failure to identify ectopic thyroid can lead to iatrogenic hypothyroidism and potential litigation.
- Preoperative thyroid scans are essential for accurate diagnosis and safe surgical planning.